Read the following passage and choose the best answer (A, B, C, D):
Light pollution is excessive, misdirected, or obtrusive artificial (usually outdoor) light. Too much light pollution has (1) __________effects on people. I washes out starlight in the night sky, disrupts ecosystems, has adverse health effects, and wastes energy. With respect to adverse health effects, many species, (2) ___________humans, are dependent on natural body cycles, and the production of melatonin, which are regulated by light and dark (e.g., day and night). If humans are exposed to light (3) ________sleeping, melatonin production can be affected. This can lead to sleep disorders and other health problems such as increased headaches, worker fatigue, medically defined stress, some forms of obesity due to lack of sleep and increased anxiety. And ties are being (4) ________ to a couple of types of cancer. There are also effects of glare on aging eyes. Heath effects are not only due to overillumination or excessive (5) ________of light over time, but also improper spectral composition of light

It used to be that people would drink coffee or tea in the morning to pick them up and get them going for the day. Then cola drinks hit the market. With lots of caffeine and sugar, these beverages soon became the pick-me-up of choice for many adults and teenagers. Now drink companies are putting out so-called "energy drinks." These beverages have the specific aim of giving tired consumers more energy.

One example of a popular energy drink is Red Bull. The company that puts out this beverage has stated in interviews that Red Bull is not a thirst quencher. Nor is it meant to be a fluid replacement drink for athletes. Instead, the beverage is meant to revitalize a tired consumer's body and mind. In order to do this, the makers of Red Bull, and other energy drinks, typically add vitamins and certain chemicals to their beverages. The added chemicals are like chemicals that the body naturally produces for energy. The vitamins, chemicals, caffeine, and sugar found in these beverages all seem like a sure bet to give a person energy.

Health professionals are not so sure, though. For one thing, there is not enough evidence to show that all of the vitamins added to energy drinks actually raise a person's energy level. Another problem is that there are so many things in the beverages. Nobody knows for sure how all of the ingredients in energy drinks work together.

Dr. Brent Bauer, one of the directors at the Mayo Clinic in the US, cautions people about believing all the claims energy drinks make. He says, —It is plausible if you put all these things together, you will get a good result. || However, Dr. Bauer adds the mix of ingredients could also have a negative impact on the body. —We just don't know at this point,|| he says.

(Source: —Reading Challenge 2||, Casey Malarcher & Andrea Janzen, Compass Publishing)

The word "it" in the second paragraph refers to________.

Application for admission to the Graduate School at this university must be made on forms provided by the Director of Admission. An applicant whose undergraduate work was done at another institution should request that two copies of undergraduate transcripts and degrees be sent directly to the Dean of the Graduate School. Both the application and the transcripts must be on file at least one month prior to the registration date, and must be accompanied by a non-refundable ten-dollar check or money order to cover the cost of processing the application. Students who have already been admitted to the Graduate School but were not enrolled during the previous semester should reapply for admission using a special short form available in the office of the Graduate School. It is not necessary for students who have previously been denied admission to resubmit transcripts; however, new application forms must accompany all requests for reconsideration. Applications should be submitted at least eight weeks in advance of the session in which the student wishes to enroll. Students whose applications are received after the deadline may be considered for admission as non-degree students, and may enroll for six credit hours. Non-degree status must be changed prior to the completion of the first semester of study, however. An undergraduate student of this university who has senior status and is within ten credit hours of completing all requirements for graduation may register for graduate work with the recommendation of the chairperson of the department and the approval of the Dean of the Graduate School.

Students who have already been admitted to the Graduate School_______________ ,

Read the following passage and choose the best answer (A, B, C, D):
Deforestation is the clearing, destroying, or otherwise removal of trees through  deliberate, natural or accidental means. It can occur in any area densely populated by trees and other plant life, but the majority of it is currently happening in the Amazon rainforest. The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.  Deforestation occurs for a number of reasons, including: farming, mostly cattle due to its quick turn around; and logging for materials and development. It has been happening for thousands of years, arguably since man began converting from hunter/gatherer to agricultural based societies, and required larger, unobstructed tracks of land to accommodate cattle, crops, and housing. It was only after the onset of the modern era that it became an epidemic.  One of the most dangerous and unsettling effects of deforestation is the loss of animal and plant species due to their loss of habitat; not only do we lose those known to us, but also those unknown, potentially an even greater loss. Seventy percent of Earth’s land animals and plants live in forests, and many cannot survive the deforestation that destroys their homes. The trees of the rainforest that provide shelter for some species also provide the canopy that regulates the temperature, a necessity for many others. Its removal through deforestation would allow a more drastic temperature variation from day to night, much like a desert, which could prove fatal for current inhabitants. In addition to the loss of habitat, the lack of trees also allows a greater amount of greenhouse gases to be released into the atmosphere. Presently, the tropical rainforests of South America are responsible for 20% of Earth’s oxygen and they are disappearing at a rate of 4 hectares a decade. If these rates are not stopped and reversed, the consequences will become even more severe.  The trees also help control the level of water in the atmosphere by helping to regulate the water cycle. With fewer trees left, due to deforestation, there is less water in the air to be returned to the soil. In turn, this causes dryer soil and the inability to grow crops, an ironic twist when considered against the fact that 80% of deforestation comes from small-scale agriculture and cattle ranching.  Further effects of deforestation include soil erosion and coastal flooding. In addition to their previously mentioned roles, trees also function to retain water and topsoil, which provides the rich nutrients to sustain additional forest life. Without them, the soil erodes and washes away, causing farmers to move on and perpetuate the cycle. The barren land which is left behind in the wake of these unsustainable agricultural practices is then more susceptible to flooding, specifically in coastal regions. Coastal vegetation lessens the impact of waves and winds associated with a storm surge. Without this vegetation, coastal villages are susceptible to damaging floods.
6. The word “perpetuate” in the last paragraph is closest in meaning to _________

Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions:
Ever since humans have inhabited the earth, they have made use of various forms of communication. Generally, this expression of thoughts and feelings has been in the form of oral speech. When there is a language barrier, communication is accomplished through sign language in which motions stand for letters, words, and ideas. Tourists, the deaf, and the mute have had to resort to this form of expression. Many of these symbols of whole words are very picturesque and exact and can be used internationally, spelling, however, cannot.
Body language transmits ideas or thoughts by certain actions, either intentionally or unintentionally. A wink can be a way of flirting or indicating that the party is only joking. A nod signifies approval, while shaking the head indicates a negative reaction.
Other forms of nonlinguistic language can be found in Braille (a system of raised dots read with the fingertips), signal flags, Morse code, and smoke signals. Road maps and picture signs also guide, warm, and instruct people. While verbalization is most common form of language, other systems and techniques also express human thoughts and feelings.

Which of the following best summarizes this passage?

Each sentence has a mistake. Find it by chosing A B C or D 

While searching for gold, the Spanish found the Grand Canyon to be an impassably barrier

Read the following passage and choose the best answer (A, B, C, D):
Many people in Britain and the US belong to at least one club or society. Club is often used to (1) _______ to a group of people who regularly meet together socially or take part in sports. Most young people’s groups are called clubs. A society is usually concerned (2) _____ a special interest, e.g. birdwatching or local history. National societies, such as the Royal Society for the Protection of Birds, usually have local branches. Social clubs have a bar where members can sit and talk to each other. Member of the upper class or business people may belong to a gentlemen’s club. Most of (3) ______ are in London and even today only some of them allow women to be members. They are places to relax in, (4) _______also to make business contracts and take clients. Some clubs combine social events with community service. Members of the Rotary Club and the Lions Club are usually (5) ______or business people. In the US, these organizations are called service clubs. Some are open only to men. They hold events to raise money for good causes, e.g. to provide scholarships for university students or to raise money for a hospital

Read the following passage and choose the best answer (A, B, C, D):
The comings and goings of teenagers, while a frequent source of tension in the  parent–child relationship, are a crucial experience in the construction of social identities. For this age group, mobility is not just a practice that is socially determined – by social background, residential environment and schooling – but also a specific experience that durably shapes their relationships with the spaces and the social world they encounter.  Although mobility is a socialised practice, based on habits forged in the domestic, residential and school environments, it is itself a specific experience in teenage socialisation. At this age, mobility plays an important role in individuals’ learning of behaviours and ways of being, gradually reshaping the dispositions acquired during primary socialisation.  First of all, mobility affects teenagers’ ways of being and behaving within their peer group, which play an increasingly important role in teenage socialisation. At this age, peers become more and more involved in mobility practices: they are one of the key reasons for mobility but, above all, they become preferred partners in self-mobility situations.  Furthermore, the movements of teenagers, alone or in groups, gradually reshapes their dispositions vis-à-vis mobility, particularly those acquired in the domestic sphere. At this age, experiences in mobility have lasting effects on the future practices of teenagers. They sometimes help modify the dispositions of teenagers regarding transport modes. We could cite, among other examples, the case of a girl whose fear of the metro gradually diminished as a result of occasional trips with her best friend, who was more familiar with this mode of transport. These experiences also influence the spatial amplitude of future mobility, in particular preferences for travel within or outside one’s area of residence.  Lastly, mobility allows teenagers to discover the public domain, when it gives rise to interactions that take place under the gaze of an incidental audience and which are therefore subject to specific rules. In the course of their travels, teenagers gradually become familiar with these rules, and they mutually adapt their behaviours to those of other citizens so as to eventually find their place within the public domain. Listening to music on mobile phones on public transport, for example, is appropriate to a greater or lesser extent, depending on the circumstances at the time.
5. The word “this” in paragraph 4 refers to _____

Read the following passage and choose the best answer (A, B, C, D)
Alexander Hamilton was born on January 11, 1755 or 1757 in the West Indies. Due to his mother’s lack of marital status, Hamilton was not seen as a legitimate child and was thus denied access to church schools. When his mother died he was adopted by a merchant in Nevis, where he worked as a clerk. During his time in Nevis, Hamilton continued to write; one of his essays impressed the community leaders so much that they worked together and collected funds to send Hamilton to the colonies. Hamilton served in the revolutionary war, during which time he worked his way through battles and earned himself a place aiding General Washington. After the war, Hamilton was elected into the Congress of the Confederation. He was dissatisfied with the decentralized government that was set up and the inability to raise money from the states to pay the soldiers. Hamilton was involved in the Constitution Convention but did not fully agree with the document; despite his disagreements, he promoted the document because he believed it was a vast improvement over the Articles of Confederation. He pushed the ratification of the Constitution, teaming up with John Jay and James Madison to write the Federalist papers, which were often cited when pushing for the Constitution’s ratification. Alexander Hamilton was appointed as the country’s first Secretary of The Treasury on September 11, 1789. During his time as Secretary of the Treasury Hamilton helped write economic policies, develop the funding of state debts, establish the national bank, create a national currency, a system of tariffs, and a peaceful trade relationship with Britain. After his time in politics finished, Alexander Hamilton went back to New York to practice law. He died in a duel with Aaron Burr in Weehawken, New Jersey on July 12, 1804  
2. According to paragraph 1, what can be concluded from Alexander Hamilton’s childhood?

Read the following passage and choose the best answer (A, B, C, D):
Vocational training in the UK is intended to give people the skills and knowledge they  need to perform a particular job, and involves practical instruction as well as theory. Most vocational training takes place not in universities but in colleges of further education and in colleges specializing in art, accountancy, etc. some secondary schools now also offer an introduction to vocational training.  NVQs (National Vocational Qualifications) are qualifications that can be obtained by people already working in a particular industry. Colleges of further education run courses to provide a theoretical background. NVQs are awarded on the basis of practical work, spoken and written test, and coursework. There are five levels, from Foundation to Management. Since 1992 many students in schools and colleges have been working for GNVQs (General National Vocational Qualifications), as an alternative to GCSEs and A levels. GNVQs cover similar areas to NVQs and are intended as introductions to a particular field of work and the skills required. Students can choose from over 500 subjects. At the lowest of its three levels foundation, a GNVQ is equivalent to a GCSE and from 2002 they are being replaced by new vocational GCSEs.  In the US there are no national qualifications like NVQs, though some professional organizations decide on their own qualifications and some of these have become widely accepted. Much vocational training is done by private institutions which are sometimes called proprietary schools. Although many of these are good, in general they have a bad reputation. This is partly because there are no controls over who can operate such a school. Some proprietary schools try to get as many students as possible, including some who will probably not be able to complete their training.  Most US secondary schools programs do not provide a choice between an academic and a practical track (a program of study), but most do give students an opportunity to take some practical or vocational classes. Large school districts may have magnet schools, schools that attract students with certain interests, and some of these may have a large choice of vocational courses.  
3. Which of the following statements is NOT true according to the passage?

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions:
Accustomed though we are to speaking of the films made before 1927 as “silent”, the film has never been, in the full sense of the word, silent. From the very beginning, music was regarded as an indispensable accompaniment; when the Lumiere films were shown at the first public film exhibition in the United States in February 1896, they were accompanied by piano improvisations on popular tunes. At first, the music played bore no special relationship to the films; an accompaniment of any kind was sufficient. Within a very short time, however, the incongruity of playing lively music to a solemn film became apparent, and film pianists began to take some care in matching their pieces to the mood of the film.
As movie theaters grew in number and importance, a violinist, and perhaps a cellist, would be added to the pianist in certain cases, and in the larger movie theaters small orchestras were formed. For a number of years the selection of music for each film program rested entirely in the hands of the conductor or leader of the orchestra, and very often the principal qualification for holding such a position was not skill or taste so much as the ownership of a large personal library of musical pieces. Since the conductor seldom saw the films until the night before the y were to be shown (if, indeed, the conductor was lucky enough to see them then), the musical arrangement was normally improvised in the greatest hurry.
To help meet this difficulty, film distributing companies started the practice of publishing suggestions for musical accompaniments. In 1909, for example, the Edison Company began issuing with their films such indications of mood as “pleasant’, “sad”, “lively”. The suggestions became more explicit, and so emerged the musical cue sheet containing indications of mood, the titles of suitable pieces of music, and precise directions to show where one piece led into the next.

Certain films had music especially composed for them. The most famous of these early special scores was that composed and arranged for D. w. Griffith’s film Birth of a Nation, which was released in 1915.

The passage mainly discusses music that was     .

Find mistake:
People say that it is such polluted air that they can’t breath, don’t they?

Rewrite the sentence:
Mr. Peter drives to Amsterdam every month

Read the following passage and choose the best answer (A, B, C, D):
Birds are even more disrupted by their noisy neighbours than had been thought  previously, researchers have found. And human activities could be preventing birds from reproducing and even developing normal social behaviour and keeping the peace.  A study by Queen’s University Belfast found that when European robins were subjected to human produced noises their behaviour changed. Background noise appeared to mask the communication of crucial information between birds. While aggressive communication is common and birds respond to it, interference through noise can lead to the birds mistaking the signals.  Birds can end up in situations all too familiar to humans. “The birds receive incomplete information on their opponent’s intent and do not appropriately adjust their response,” explained Arnott. “Where song is disguised by background noise, in some cases the male ends up fighting more vigorously than he should, but at other times gives in too easily.”Arnott said the purpose of birdsong was twofold – to attract mates and defend territory. Birds already face an array of human-made dangers, from pesticides and intensive farming to shooting and poisoning. But noise had often been overlooked, the paper in Biology Letters found. A spokesperson for the RSPB said: “Everyone is becoming increasingly concerned that nature is in crisis in the UK, with one in 10 of our wildlife species at threat of extinction. Many of our birds’ populations are already facing a serious crisis as a result of habitat loss, climate change and other human activities. This report is a good reminder that the way we live and our lifestyle has an impact on our natural world, and that we need to protect our natural world if we want to let nature sing.”  For birds, the extra burden of noise pollution adds to extraordinary decline in species, including among once common birds, in recent decades due to such activities as agricultural practice and pesticide use. In the experiment the team used playbacks of robin song to stimulate responses from birds who were territory holders. Simple or complex songs were used in either the presence or absence of noise. The researchers found that song complexity  was used as a signal of aggressive intent; birds demonstrated higher aggressive intent towards complex rather than simple song. This process was disrupted by the presence of added noise.
8. Which of the following can be inferred from the passage?

Read the following passage and choose the best answer (A, B, C, D)
Alexander Hamilton was born on January 11, 1755 or 1757 in the West Indies. Due to his mother’s lack of marital status, Hamilton was not seen as a legitimate child and was thus denied access to church schools. When his mother died he was adopted by a merchant in Nevis, where he worked as a clerk. During his time in Nevis, Hamilton continued to write; one of his essays impressed the community leaders so much that they worked together and collected funds to send Hamilton to the colonies. Hamilton served in the revolutionary war, during which time he worked his way through battles and earned himself a place aiding General Washington. After the war, Hamilton was elected into the Congress of the Confederation. He was dissatisfied with the decentralized government that was set up and the inability to raise money from the states to pay the soldiers. Hamilton was involved in the Constitution Convention but did not fully agree with the document; despite his disagreements, he promoted the document because he believed it was a vast improvement over the Articles of Confederation. He pushed the ratification of the Constitution, teaming up with John Jay and James Madison to write the Federalist papers, which were often cited when pushing for the Constitution’s ratification. Alexander Hamilton was appointed as the country’s first Secretary of The Treasury on September 11, 1789. During his time as Secretary of the Treasury Hamilton helped write economic policies, develop the funding of state debts, establish the national bank, create a national currency, a system of tariffs, and a peaceful trade relationship with Britain. After his time in politics finished, Alexander Hamilton went back to New York to practice law. He died in a duel with Aaron Burr in Weehawken, New Jersey on July 12, 1804  
4. The word “it” in paragraph 3 refers to _______

Read the following passage and choose the best answer (A, B, C, D):
Automated manufacture arose out of the intimate relationship of such economic forces and technical innovations as the division of labor, power transfer and the mechanization of the factory, and the development of transfer machines and feedback systems as explained below. The division of labor (that is, the reduction of a manufacturing or service process into its smallest independent steps) developed in the latter half of the 18th century and was first discussed by the Scottish economist Adam Smith in his book An Inquiry into the Nature and Causes of the Wealth of Nations (1776). In manufacturing, the division of labor results in increased production and a reduction in the level of skills required of workers. Mechanization was the next step necessary in the development of automation. The simplification of work made possible by the division of labor also made it possible to design and build machines that duplicated the motions of the worker. As the technology of power transfer evolved, these specialized machines were motorized and their production efficiency was improved. The development of power technology also gave rise to the factory system of production, because all workers and machines had to be located near the power source. The transfer machine is a device used to move a workpiece from one specialized machine tool to another, in such a manner as to properly position the workpiece for the next machining operation. Industrial robots, originally designed only to perform simple tasks in environments dangerous to human workers, are now extremely dexterous and are being used to transfer, handle, and index (that is, to position) both light and heavy workpieces, thus performing all the functions of a transfer machine. In actual practice, a number of separate machines are integrated into what may be thought of as one large machine. In the 1920s the auto industry combined these concepts into an integrated system of production. The goal of this assembly-line system was to make automobiles available to people who previously could not afford them. This method of production was adopted by most automobile manufacturers and rapidly became known as Detroit automation. Despite more recent advances, it is this system of production that most people think of as automation.
4. The word "dexterous" in paragraph 4 is closest in meaning to ____

Read the following passage and choose the best answer (A, B, C, D):
Scientists have uncovered a new threat to the world’s endangered coral reefs. They  have found that most are incapable of growing quickly enough to compensate for rising sea levels triggered by global warming. The study suggests that reefs – which are already suffering serious degradation because the world’s seas are warming and becoming more acidic – could also become overwhelmed by rising oceans.  The research – led by scientists at Exeter University and published in Nature this week – involved studying growth rates for more than 200 tropical western Atlantic and Indian Ocean reefs. It was found only 9% of these reefs had the ability to keep up with even the most optimistic rates of sea-level rises forecast by the Intergovernmental Panel on Climate Change. “For many reefs across the Caribbean and Indian Ocean regions, where the study focused, rates of growth are slowing due to coral reef degradation,” said Professor Chris Perry, of Exeter University. “Meanwhile, rates of sea-level rise are increasing – and our results suggest reefs will be unable to keep up. As a result, water depths above most reefs will increase rapidly through this century.”  Sea levels rose by several inches over the past century and measurements indicate the speed of this increase is now rising significantly. Two key factors are involved: climate change is making ocean water warmer and so it expands. And as ice sheets and glaciers melt, they increase amounts of water in the oceans.  At the same time, reefs are being weakened by ocean warming and also by ocean acidification, triggered as the seas absorb more and more carbon dioxide. These effects lead to bleaching events that kill off vast stretches of coral and limits their ability to grow.  “Our predictions, even under the best case scenarios, suggest that by 2100, the inundation of reefs will expose coastal communities to significant threats of shoreline change,” said co-author Prof Peter Mumby of Queensland University. This point was backed by US marine scientist Ilsa Kuffner writing in a separate comment piece for Nature. “The implications of the study are dire. Many island nations and territories are set to quickly lose crucial natural resources.” 
6. The word “inundation” is closest in meaning to _____________

Read the following passage and choose the best answer (A, B, C, D):
We’ve just come back exhausted after a two-week holiday in France. We were really stupid. On the last day we drove non-stop from Marseille to Calais- we should have (34)_____ our journey in Lyon or Paris. As if that wasn’t enough, the sea was so rough in the English Channel that the (35) _____ took three hours instead of one and a half. Next year we’ve decided we’re going on a cheap (36) _____ holiday to Italy. It sounds marvellous- the cost of the flight, the hotel and all our meals are (37) _____ in the price. While we’re in Rome we’ll be going on a guided tour of the Coliseum. The last time I was in Italy, I was on a business trip – I can’t say I saw many of the famous tourist (38) _____ on that occasion

Read the following passage and choose the best answer (A, B, C, D):
Although television was first regarded by many as “radio with pictures,” public reaction to the arrival of TV was strikingly different from that afforded the advent of radio. Radio in its early days was perceived as a technological wonder rather than a medium of cultural significance. The public quickly adjusted to radio broadcasting and either enjoyed its many programs or turned them off. Television, however, prompted a tendency to criticize and evaluate rather than a simple on-off response. One aspect of early television that can never be recaptured is the combined sense of astonishment and glamour that greeted the medium during its infancy. At the midpoint of the 20th century, the public was properly agog about being able to see and hear actual events that were happening across town or hundreds of miles away. Relatively few people had sets in their homes, but popular fascination with TV was so pronounced that crowds would gather on the sidewalks in front of stores that displayed a working television set or two. The same thing happened in the typical tavern, where a set behind the bar virtually guaranteed a full house. Sports events that might attract a crowd of 30,000 or 40,000 suddenly, with the addition of TV cameras, had audiences numbering in the millions. By the end of television’s first decade, it was widely believed to have greater influence on American culture than parents, schools, churches, and government-institutions that had been until then the dominant influences on popular conduct. All were superseded by this one cultural juggernaut. The 1950s was a time of remarkable achievement in television, but this was not the case for the entire medium. American viewers old enough to remember TV in the ’50s may fondly recall the shows of Sid Caesar, Jackie Gleason, Milton Berle, and Lucille Ball, but such high-quality programs were the exception; most of television during its formative years could be aptly described, as it was by one Broadway playwright, as “amateurs playing at home movies.” The underlying problem was not a shortage of talented writers, producers, and performers; there were plenty, but they were already busily involved on the Broadway stage and in vaudeville, radio, and motion pictures. Consequently, television drew chiefly on a talent pool of individuals who had not achieved success in the more popular media and on the young and inexperienced who were years from reaching their potential. Nevertheless, the new medium ultimately proved so fascinating a technical novelty that in the early stages of its development the quality of its content seemed almost not to matter. Fortunately, the dearth of talent was short-lived. Although it would take at least another decade before areas such as news and sports coverage approached their potential, more than enough excellence in the categories of comedy and drama emerged in the 1950s to deserve the attention of discriminating viewers. They are the most fondly remembered of the Golden Age genres for both emotional and intellectual reasons. Live TV drama was, in essence, the legitimate theatre’s contribution to the new medium; such shows were regarded as “prestige” events and were afforded respect accordingly. The comedies of the era are remembered for the same reason that comedy itself endures: human suffering and the everelusive pursuit of happiness render laughter a necessary palliative, and people therefore have a particular fondness for those who amuse them  
1. Which of the following best serves as the title for the passage?

Read the following passage and choose the best answer (A, B, C, D):
Don’t look now, but artificial intelligence is watching you. Artificial intelligence has tremendous power to enhance spying, and both authoritarian governments and democracies are adopting the technology as a tool of political and social control. Data collected from apps and websites already help optimize ads and social feeds. The same data can also reveal someone’s personal life and political leanings to the authorities. The trend is advancing thanks to smartphones, smart cameras, and more advanced AI. An algorithm developed at Stanford in 2017 claimed to tell from a photograph whether a person is gay. Accurate or not, such a tool creates a new opportunity for persecution. “Take this type of technology, feed it to a citywide CCTV surveillance system, and go to a place like Saudi Arabia where being gay is considered a crime,” says Lisa Talia Moretti, a digital sociologist. “Suddenly you’re pulling people off the street and arresting them because you’re gay, because the computer said so.”  No country has embraced facial recognition and AI surveillance as keenly as China. The AI industry there has flourished thanks to fierce competition and unrivaled access to personal data, and the rise of AI is enabling tighter government control of information, speech, and freedoms. In some Chinese cities, facial recognition is used to catch criminals in surveillance footage, and to publicly shame those who commit minor offenses. Most troubling, AI is being used in Xinjiang, a province in Western China, to persecute Muslims. Even if China’s AI capabilities are exaggerated, the AI boom there is having a chilling effect on personal freedom, says Ian Bremmer, an expert on global political risk and founder of the Eurasia Group. “You just need a government that is starting to get that capacity and make it known, and have a few people that are sort of strung up as examples, and suddenly everyone is scared,” he says. This might feel like a distant reality, but similar tools are being developed and used in the West. Just ask Glenn Rodriguez, who faced judgment from an algorithm when seeking parole from prison in the US. Despite 10 years of good behavior, Rodriguez saw how an algorithm called COMPAS, designed to predict inmates’ likelihood of reoffending, would be biased against him. And even though the parole board went against the computer program’s  
4. The word “it” in paragraph 2 refers to _____

Read the following passage and choose the best answer (A, B, C, D):
Cyberbullying is the use of technology to harass, threaten, embarrass, or target another person. Online threats and mean, aggressive, or rude texts, tweets, posts or messages all count. So (1) _______ posting personal information, pictures or videos designed to hurt or embarrass someone else. Cyberbullying also includes photos, messages or pages that don’t get taken (2) ______, even after the person has been asked to do so. In (3) _______ words, it’s anything that gets posted online and is meant to hurt, harass or upset someone else. Intimidation or mean comments that focus on things like a person’s gender, religion, sexual orientation, race or physical differences count as discrimination, which is against the law in many states. That means the police could get involved, and bullies may face serious penalties. Online bullying can be particularly damaging and upsetting because it’s usually anonymous or hard to trace. It’s also hard to control, and the person being victimized has no idea how many people (or hundreds of people) have seen the messages or posts. People can be tormented nonstop (4) _________ they check their device or computer. Online bullying and harassment can be easier to commit than other acts of bullying because the bully doesn’t have to confront his or her target in (5) _______