Read the following passage and choose the best answer (A, B, C, D):
You’ll be able to purchase high-quality emotions online. Emotion-sharing experiences  are the latest fad in 2045. Imagine your friend at Glastonbury can post a photo on Instagram and with it comes bundled a faint twinkling of what she was feeling right there in that moment, so you too can share emotionally in her social experience.  Recently, techniques for direct brain stimulation, like opt genetics, have made it possible to not only read but also write information into single neurons. At the moment data transfer rates are still very slow, the best we can do is a few bits per second, but this could well increase to kilobits or maybe reach broadband speeds by 2045. This means the range of human perception could expand beyond its current design limitations. One could foresee a new and extraordinary world where there is a virtual marketplace for trading high quality emotions – where artists looking for a particularly high strength brew of melancholy, or actors needing to channel regret or compassion for their next play, could purchase emotions online.  Our cities will be made from living, dynamic materials that respond to the environment. In 30 years, tall buildings made of glass and twisted steel will be seen as relics from a bygone era, in the same way we think now of 1970s concrete tower blocks: ugly, outdated and unfit for contemporary purpose. The urban environment of 2045 blends architecture with living materials that are mouldable, adaptable, responsive and disposable.  Entirely new synthetic life forms, or biological machines, made of engineered living cells from bacteria, fungi and algae will grow and evolve with the changing needs of a building’s inhabitants. They breathe in pollutants, clean wastewater, and use sunlight to make useful chemicals, energy, heat and vibrant vertical gardens. We will start to see a convergence between biology and technology, to the point where there is no longer a perceptible difference between the two. Today, synthetic biology labs are looking at the full diversity of what nature has to offer and using this to mix, match and edit genomes to design synthetic life forms. Right now, this field is just getting started and the science of synthetic biology is going to be tougher than most will admit.  We will use invisibility cloaks to “disappear” ugly objects. Invisibility has forever been a tantalizing prospect. The key to cloaking lies in the way the electromagnetic spectrum  (including visible light) interacts with objects. The human eye picks up electromagnetic radiation that falls and scatters from objects and we perceive this as light. In recent decades, scientists figured out using mathematics that it might just be possible to imagine a new class of artificial materials made of intricate tiny features with light bending properties. They named them metamaterials.  Using nanotechnology engineering, scientists have since shown cloaking actually works – in principle at least, for a narrow range of colours and only from certain viewing angles. The future applications of cloaking are highly uncertain and will likely be determined by the fads and social contagion of the time. They may be used in everything from novelty gimmicks to making unsightly construction sites and power stations seemingly ‘disappear’.   
1. Which of the following is the main idea of the passage?

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

 Oscar Wilde lived out his final days in obscurity in France in spite the brilliance

Read the following passage and choose the best answer (A, B, C, D):
Air pollution is the most prominent and dangerous form of pollution. It occurs dues to many reasons. Excessive burning of fuel which is a necessity of our daily lives for cooking, driving and other industrial activities releases a huge amount of chemical substances in the air every day; as a result, these pollute the air. Smoke from chimneys, factories, vehicles or burning of wood basically occurs due to coal burning. This releases sulphur dioxide into the air making it toxic. The effects of air pollution are evident too. Release of sulphur dioxide and hazardous gases into the air causes global warming and acid rain which in turn have increased temperatures, erratic rains and droughts worldwide making it tough for animals to survive. We breathe in every polluted particle from the air, the result is an increase in asthma and cancer in the lungs. Another effect of air pollution is ozone layer depletion. Ozone layer is the thin shield high up in the sky that prevents ultra violet rays from reaching the Earth. As a result of human activities, chemicals, such as chlorofluorocarbons (CFCs) which play a key role, were released into the atmosphere which contributed to the destruction of ozone layer. Water pollution has taken toll of all the surviving species of the earth. Almost 60% of the species live in water bodies. It occurs due to several factors; the industrial wastes dumped into the rivers and other water bodies cause an imbalance in the water leading to its severe contamination and death of aquatic species. If you suspect that nearby water sources have been contaminated by a corporation then it might be a good idea to hire an expert to see you options. Moreover, spraying insecticides, pesticides like DDT on plants also pollutes the ground water system and oil spills in the oceans have caused irreparable damage to the water bodies. Eutrophication is another big source; it occurs due to daily activities like washing clothes or utensils near lakes, ponds or rivers; this forces detergents to go into water which blocks sunlight from penetrating, thus reducing oxygen and making it inhabitable. Water pollution not only harms the aquatic beings but it also contaminates the entire food chain by severely affecting humans dependents on these. Waterborne disease like cholera, diarrhea have also increased in all places. Another type of pollution common in the countryside is soil pollution. Soil pollution occurs due to the incorporation of unwanted chemicals in the soil due to human activities. Insecticides and pesticides absorb the nitrogen compounds in the soil making it unfit for plants to derive nutrition. Release of industrial waste, mining and deforestation also damages the soil. Since plants can’t grow properly, they can’t hold the soil and this leads to soil erosion.
2. What is NOT mentioned as a consequence of the increase in air pollution?

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Technology continually disrupts almost every area of our lives, resulting in constant shifts across all segments of our society. The education sector is no exception. In fact, the nature of its target audience – mostly young and highly connected – means that the sector must adapt to accommodate their expectations. Most students have grown up online and will expect the same levels of technology in their learning environments as in their day-to-day lives Creating an effective digital learning environment is not just about offering convenience and familiarity to students, however. The consequences for their futures if we don’t keep pace are manifold and damaging. Lack of opportunity is one major threat, because limited or no access to technology will result in a greater divide between certain categories of student. Crucially, students’ potential success could be severely compromised by lack of technical proficiency. As a minimum, employers want graduates who are adept at using technology to connect, communicate, and collaborate with workplace technology. Yet with the right technology platform, solutions and industry partners, universities are starting to create next-generation learning environments that effectively prepare students for the future by offering access to the tools they need while also providing a fulfilling learning experience. Digital technology can supply the framework to support new learning approaches that engage students, bolster new revenue streams, cut operational costs and preserve highly valued school and university brands and reputations. For example, the ability to connect with outside experts or even lecturers with other schools and universities could increase the number of courses offered and attract more students.  For both students and teachers, ubiquitous connectivity facilitates greater collaboration, enabling people to develop increasingly connected communities in their chosen fields. Being more available to students can also empower teachers to deliver more innovative, exciting lectures, whether face-to-face or online, while offering more personalised feedback and mentoring. It’s now easier for students to engage on their own terms and no longer having to travel across campus for every single meeting makes it easier for leaders and faculty members to work together, too. Effective digital transformation isn’t just about technology, though. It requires a willingness to adopt technology in new ways, beyond administrative process. It must be continual and evolutionary in order to enhance teaching and learning and improve efficiency. It also necessitates collaborative working; vision and leadership; culture; process and methodology – and the technology itself.  
7. The following sentences are true, EXCEPT _________

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Sylvia Plath’s semi-autobiographical 1963 book “The Bell Jar” is most likely to be found in a sophomore English class, pored over by high-school students. But recently at Squarefoot, a commercial real estate company based in Manhattan, it was the chosen book title for the office book club. “People really latched onto [“The Bell Jar”] and talked about women’s roles in the workplace,” says Eliza Bell, people-operations manager. “The book club has been a bonding opportunity. People are able to learn about each other, and it’s really nice to talk about stuff that isn’t work-related. ‘The Bell Jar’ really brought that out, and we were able to talk about diversity initiatives.” Over the summer, the book pick was “The Hate U Give,” the 2017 young adult novel by Angie Thomas. The monthly club meets during a lunch that is provided by the company. In its first iteration, the club met after work and read business books: Not surprisingly, people weren’t quite as enthusiastic about that initiative. The club is the brainchild of CEO Jonathan. Wasserstrum, who is passionate about reading. There are some rules: At the beginning everyone has a chance to express what they liked or didn’t like. “If someone goes on a rant, it’s important to change the topic and move to another one,” says Bell. “When we read ‘The Last Lecture’ [the 2008 bestseller co-authored by the late Randy Pausch] for instance, it got a little heated.” What makes for a good pick? “We need an aspect of it to get people excited. It’s important that the books are ones people will have opinions on. People can learn from all sorts of different books,” says Bell. “And they have to be less than 250 pages.”  
2. The word “diversity” in paragraph 1 can be replaced by ______

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Nuts could be the key to keeping slim, according to new research. Scientists from Harvard University and Harvard Medical School say that replacing and unhealthy snack with half a daily _____ (1) of nuts could slow weight gain in people as they get older. Walnuts ____________ (2) particular appeared to offer good results and were linked to a 15% lower risk of obesity. Researchers conducted a long-term study which followed 51,529 male health professionals aged 40 to 5, 121,700 nurses aged 35 to 55 and 16,686 nurses aged 24 to 44. Participants had their weight ____________ (3) every four years and were asked how often they had eaten nuts. They also had to report their exercise every two years. The findings, ___________________ (4) in the online journal BMJ Nutrition, Prevention and Health, showed that increasing nut consumption was associated with less risk of putting on two or more kilos over a four-year period. However, the researchers say the study is ________ (5) and therefore cannot establish a definite cause.

Read the following passage and choose the best answer (A, B, C, D):
Most languages have several levels of vocabulary that may be used by the same speakers. In English, at least three have been identified and described. Standard usage includes those words and expressions understood, used, and accepted by a majority of the speakers of a language in any situation regardless of the level of formality. As such, these words and expressions are well defined and listed in standard dictionaries. Colloquialisms, on the other hand, are familiar words and idioms that are understood by almost all speakers of a language and used in informal speech or writing, but not considered acceptable for more formal situations. Almost all idiomatic expressions are colloquial language. Slang, refers to words and expressions understood by a large number of speakers but not accepted as appropriate formal usage by the majority. Colloquial expressions and even slang may be found in standard dictionaries but will be so identified. Both colloquial usage and slang are more common in speech than writing. Colloquial speech often passes into standard speech. Some slang also passes into standard speech, but other slang expressions enjoy momentary popularity followed by obscurity. In some cases, the majority never accepts certain slang phrases but nevertheless retains them in their collective memories. Every generation seems to require its own set of words to describe familiar objects and events. It has been pointed out by a number of linguists that three cultural conditions are necessary for the creation of a large body of slang expressions. First, the introduction and acceptance of new objects and situations in the society; second, a diverse population with a large number of subgroups; third, association among the subgroups and the majority population. Finally, it is worth noting that the terms "standard", "colloquial", and "slang" exist only as abstract labels for scholars who study language. Only a tiny number of the speakers of any language will be aware that they are using colloquial or slang expressions. Most speakers of English will, during appropriate situations, select and use three types of expressions.
4. How is "slang" defied by the author?

Biofuels and the Environment

Leading investors have joined the growing chorus of concern about governments and companies rushing into producing biofuels as a solution for global warming, saying that many involved in the sector could be jeopardizing future profits if they do not consider the long-term impact of what they are doing carefully.

It is essential to build sustainability criteria into the supply chain of any green fuel project in order to ensure that there is no adverse effect on the surrounding environment and social structures. The report produced by the investors expresses concern that many companies may not be fully aware of the potential pitfalls in the biofuel sector.

Production of corn and soya beans has increased dramatically in the last years as an eco-friendly alternative to fossil fuels but environmental and human rights campaigners are worried that this will lead to destruction of rain forests. Food prices could also go up as there is increased competition for crops as both foodstuffs and sources of fuel. Last week, the UN warned that biofuels could have dangerous side effects and said that steps need to be taken to make sure that land converted to grow biofuels does not damage the environment or cause civil unrest. There is already great concern about palm oil, which is used in many foods in addition to being an important biofuel, as rain forests are being cleared in some countries and people driven from their homes to create palm oil plantations.

An analyst and author of the investors' report say that biofuels are not a cure for climate change but they can play their part as long as governments and companies manage the social and environmental impacts thoroughly. There should also be greater measures taken to increase efficiency and to reduce demand.

The increased production of palm oil _____.

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Adharanand Finn is a British journalist and a keen runner. Recently, he did the Fluorspar run in Kenya with a group of top Kenyan athletes. Here is the story he told the press after the event. The route of the Fluorspar run is exactly 21 km long and is uphill from start to finish. When I arrived at the start of the run at the bottom of the hill, the morning sun was up, and it was already hot. The ten athletes and I stood together for a group photograph and then immediately started our run up to the top. Most of the athletes who live in this part of Kenya have done it at least once. After about five minutes, I was already starting to fall behind other runners. I’ve never been that good at hill climbing, so I always knew I’d find it thorny. ‘Sure and steady,’ I told myself as I ran along, avoiding the biggest stones and trying to take the shortest line up the hill. But whenever I looked up, the others were further ahead, until soon they disappeared completely. At first I felt fine, but towards the end I began to feel a bit weak and strange. I don’t know now if I was imagining things but the people I passed, who were travelling down the road, seemed to be laughing at me. Finally, I reached the top. The rest of the runners were sitting on the grass, drinking lemonade and eating peanuts and boiled eggs. It took me one hour and fifty eight minutes, which is not bad at all. The others told me kindly that anyone who can run it in under two hours is very strong. They completed it much faster, in around one hour 30 minutes. I honestly have no idea how they do it.  
3. The word "thorny" in the passage is closest in meaning to _____

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Lead researcher on the atlas, Dr Zoë Randle, said the northerly migration of species of moths and butterflies is a phenomenon observed in northern Europe in recent decades. She said moths are proof that human-made climate change is happening now. Great Britain has observed the arrival of new species too, such as the Clifden Nonpareil, Tree-lichen Beauty and Black-spotted Chestnut. The atlas records that 38 per cent of all moth species in Britain and Ireland have spread to other areas in the last 50 years, most as a result of global warming. The book lists 893 species in all and the scientists’ analysis of distribution records over the period 1970-2016 in particular showed that 31 per cent of 390 larger moth species decreased significantly in Britain. Intensive agriculture has caused the decline of many moth species through the destruction of wildlife-rich habitats and use of fertilizers and pesticides. Widespread environmental pollution such as artificial light at night and chemicals in the air and soil, are altering plant and animal communities in ways that are still not fully understood. Humanmade climate change has facilitated the spread of moths to new parts of Britain and Ireland that were formerly too cold, while at the same time posing a long-term risk to species found in cool and restricted habitats such as mountainsides. The atlas is based on more than 25 million records sourced from Butterfly Conservation’s National Moth Recording Scheme and the Moths Ireland database. These date from the 18th century through to 2016, meaning this volume contains 275 years of mothrecording effort by the public. Dr Randle said the same system of comprehensive recording is not yet available in Ireland as it is in Britain, but anecdotally she believes the same patterns are emerging in Ireland.  
4. The word “anecdotally” in paragraph 3 is closest in meaning to ______

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

It is often said that an early life of hardship and poverty made Abraham Lincoln to be the great leader he was

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Plastic bags are used by everybody. From a vegetable vendor to a designer store, everyone seems to use them. Even though they are one of the modern conveniences that we seem to be unable to do without, they are responsible for causing pollution, killing wildlife, and using up the precious resources of the Earth. But, most of us are blissfully unaware of the repercussions that are occurring and will take place in the future because of the plastic bags. Every once in a while, the government passes out an order banning store owners from providing plastic bags to customers for carrying their purchases, with little lasting effect. Plastic bags are very popular with both retailers as well as consumers because they are cheap, strong, lightweight, functional, as well as a hygienic means of carrying food as well as other goods. About a hundred billion plastic bags are used every year in the U.S. alone. And then, when one considers the huge economies and populations of India, China, Europe, and other parts of the world, the numbers can be staggering. The problem is further exacerbated by the developed countries shipping off their plastic waste to developing countries like India. Once they are used, most bags go into landfills. Each year, more and more bags are ending up littering the environment. Once they become litter, plastic bags find their way into our waterways, parks, beaches, and streets. And, if they are burned, they infuse the air with toxic fumes. About 100,000 animals, such as dolphins, turtles, whales, penguins are killed every year due to these bags. Many animals ingest plastic bags, mistaking them for food, and therefore, die. And worse, the ingested plastic bag remains intact even after the death and decomposition of the animal. Thus, it lies around in the landscape where another victim may ingest it. One of the worst environmental effects is that they are non-biodegradable. The decomposition takes about 400 years. No one will live so long to witness the decomposition of plastic! Thus, save the environment for the future generations as well as animals. Petroleum products are diminishing and getting more expensive by the day, since we have used this non-renewable resource increasingly. And to make plastic, about 60-100 million barrels of oil are needed every year around the world. Surely, this precious resource should not be wasted on producing plastic bags, should it? Petroleum is vital for our modern way of life. It is necessary for our energy requirements - for our factories, transportation, heating, lighting, and so on. Without viable alternative sources of energy yet on the horizon, if the supply of petroleum were to be turned off, it would lead to practically the entire world grinding to a halt. So, what can be done? A tote bag can make a good substitute for carrying groceries and the shopping. You can keep the bag with the cashier, and then put your purchases into it instead of the usual plastic bag. Recycling the bags you already have is another good idea. These can come into use for various purposes, like holding your garbage, instead of purchasing new ones. While governments may be working out ways to lessen the impact of plastic bags on the environment; however, each of us should shoulder some of the responsibility for this problem, which ultimately harms us. Plastics are not only nonbiodegradable, but are one of the major pollutants of the sea. For a clean and green environment, try to use alternatives to plastic whenever and wherever possible. Cut down your use of plastic, and do your bit to save our planet  
2. What is the synonym of the word “repercussions” in the first paragraph?

Choose the best answer:
It gets ............... to understand what the professor has explained.

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:
A massage is relaxing, and makes you feel great, but did you know that it's also good for you? That's what doctors are now saying. Massage relieves pain and anxiety, eases depression and speeds up recovery from medical problems.
Research has shown that people of all ages benefit from touch. Premature infants who are held develop faster than those left alone, and healthy babies who get a lot of physical contact cry less and sleep better. Researchers are not sure why this occurs but they have also found out that touch can slow heart rate, lower blood pressure and increase levels of seratonin, the brain chemical that is linked to well-being. It also decreases levels of the stress hormone cortisol, and this in turn increases your resistance to illness.
Massage also speeds up healing. Bone-marrow transplant patients who were given massages had better neurological function than those who weren't. Furthermore, massage reduced pain by 37% in patients with chronic muscle aches.
Giving someone a massage may be as good as getting one. A study conducted by the university of Miami found that mothers suffering from depression felt better after massaging their infants. In that same study, elderly volunteers who massaged infants reported feeling less anxious and depressed.
It even works when you do it yourself; 43% of headache sufferers reported getting relief after massaging their temples and neck and smokers who were taught self-massage while trying to quit felt less anxiety and smoked less.

Babies bom before their time     .

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Bagpipe music played, wreaths were sent and Amazing Grace was sung. A  black shroud was laid upon a makeshift urn. It was a funeral, of course, for which such displays of respect are common. But in this case, the people living in a small Nova Scotia community had gathered to pay their respects not to a person who had died, but to a post office.  The grief might have been hard for outsiders to understand, but not for those living in Head of St. Margaret’s Bay, N.S., where the post office run by Verna Dunlop was a big part of their small, tight-knit community. The post office, which had been located in the back of Dunlop’s home, was not just a utilitarian service kiosk where residents had to go to pick up their mail. According to locals, it was also a community hub where people gathered to catch up on the town gossip, or to enjoy a cup of the coffee the postmaster had been brewing for them. “It’s really the centre of the village,” said one woman, explaining what the post office meant to the people living there.  There had been a post office located in Head of St. Margaret’s Bay since before Confederation. And local residents spent months fighting to keep the one they had. But Canada Post made the decision to close it, as it was losing money. It was replacing the post office with sets of newly installed super mailboxes.  Many people in town weren’t convinced the coming changes were for the better. “We do not want those super mailboxes. We want to have a community life,” he said. At the mock funeral, Dunlop choked up as she said she hoped “this is going to stop,” alluding to the fact that it wasn’t just Head of St. Margaret’s Bay that was losing its post office. “We hope that the way of life that we’re used to we can keep,” she added. Canada Post had closed 40 such rural post offices that year and had long-term plans to close more than 5,000 of them across the country. “Just as Verna Dunlop’s post office came to symbolize for these people the best qualities of rural life, so does its passing remind them of the steady erosion of that way of life,” said Evans.
5. The word “they” in paragraph 3 refers to _____

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We all want to live in a clean and green world and breathe pollution free air. For this kind of environment we desperately need a fossil fuel free world. Scientists are toiling hard to come up (1)______ alternative fuels which can replace conventional fuels. One such study was presented at the 237th National Meeting of the American Chemical Society. This study throws interesting light on the first economical, eco-friendly process to (2)______ algae oil into biodiesel fuel. The scientists are quite hopeful that one day America will become independent (3)______ fossil fuels. Ben Wen is the (4)______ researcher and vice president of United Environment and Energy LLC, Horseheads, N.Y. According to him, “This is the first economical way to produce biodiesel from algae oil. It costs much less than conventional processes because you would need a much smaller factory, there (5)______ no water disposal costs, and the process is considerably faster.”

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There are many strange superstitions in the world. The most common one is related to black cats, (1) ____ are the source of hundreds of unlucky superstitions. It’s a sign of bad luck (2) ____ they walk in front of you or you step on their tails. They even bring bad luck into a house if they sneeze inside! This superstition dates (3) ____ to the Middle Ages when they became associated with witches and evil spirits.  Another common superstition is about walking under a ladder. A more (4) ____ explanation can be traced back to ancient Egypt. The (5) ____ Egyptians believed that the shape of the Pyramids had a special power. It was considered very bad luck to break the “power” of this shape and that’s exactly what walking under a ladder would do!  In addition, in Roman times, people (6) ____ the habit of looking at themselves in pools of water. Some believed that these reflections were in fact “glimpses of the soul”. Any disruption to the water in the pool would bring bad luck to the person looking in it. This superstition lives on with the fear of bad luck from breaking a mirror

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There have never been so many people living in cities in quake zones because the worse the damage can be from a big quake, bringing fires, tsunamis, and the loss of life, property, and maybe an entire city. We understand how earthquakes happen but not exactly where or when they will occur. Until recently, quakes seemed to occur at random. In Japan, government research is now showing that quakes can be predicted. At the Earthquake Research Institute, University of Tokyo, Koshun Yamaoka says earthquakes do follow a pattern—pressure builds in a zone and must be released. But a colleague, Naoyuki Kato, adds that laboratory experiments indicate that a fault slips a little before it breaks. If this is true, predictions can be made based on the detection of slips. Research in the U.S. may support Kato’s theory. In Parkfield, California earthquakes occur about every 22 years on the San Andreas fault. In the 1980s, scientists drilled into the fault and set up equipment to record activity to look for warning signs. When an earthquake hit again, it was years off schedule. At first the event seemed random but scientists drilled deeper. By 2005 they reached the bottom of the fault, two miles down, and found something. Data from two quakes reported in 2008 show there were two “slips’—places where the plates widened—before the fault line broke and the quakes occurred. We are learning more about these destructive events every day. In the future we may be able to track earthquakes and design an early-warning system. So if the next great earthquake does happen in Tokai, about 100 miles southwest of Tokyo, as some scientists think, the citizens of Tokai may have advance warning
5. Evidence for the pre-slip theory has been found by scientists in __________

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Traditional media come from the people and antecede the mass media; their appeal has historically been both functional and aesthetic. Whether of roughly hewn folk origins or of classifically rigid moulds, they have always served to entertain, educate to reinforce existing ideas or ideologies or to change existing values and attitudes. In other words, it is a means of changing values, attitudes and norms in order to provide a proper climate for social and economic progress. It is also a method of promoting certain behavioural acts or patterns. The aim is to get people to perform specific acts to achieve objectives of national policy (e.g. visiting clinics, investing in bonds, using fertilizer). Moreover, it is a channel for conveying information about available techniques and facilities which people may use to solve problems. Being close to people at the local level, these channels are potentially useful in the service of social concerns, as determined by local, provincial or national authorities themselves. They are, moreover, abundantly present in areas where mass media technology has not been fully or effectively developed to capture sustained interest at local, provincial or national levels. Folk media are personal forms of entertainment and communication. This is important because behavioural changes are most easily brought about by personal interaction. These forms of art are a part of the way of life of a community and provide acceptable means of bringing development issues into the community in its own-terms. They are capable of reaching intimate social groups, thus making use of already established communication networks in the audience. 
3. What is the easiest way to change a person’s behaviour?

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Stonehenge, the prehistoric stone circle in southern England, is one of the most distinctive and mysterious monuments in the world. The monument, which attracted more than one and a half million visitors last year, is thought to be up to 5,000 years old, and the heaviest stone weighs 38 tons. No one really knows how the stones got there, or the reason they look the way they do – but a piece removed from one of the stones six decades ago could bring some answers. At first glance, the new “discovery” - a cylinder of rock - might look unremarkable. But for Lewis and Robin Phillips, it meant one thing: their dad, Robert. In 1958, Robert Phillips worked on a major restoration project commissioned by the British government. The goal was to make the monument safer, and help historians better understand what Stonehenge was and why it was there. The team drilled through the largest of the sarsen rocks, removing three stone cores. Robert Phillips was gifted one as a souvenir. At the time, the core sample was considered to be “waste material,” Lewis said. “I think that the standards of the day, in conservation, were a bit different to what they are now,” Robert added. Six decades later, Robert - who’s now in his 90s - asked his sons to return the “waste material.” But what had become a family heirloom for the Phillips’ was “the Holy Grail” of Stonehenge for geologists, according to Susan Greaney, an archaeologist at English Heritage. “When the Phillips family first got in touch with us, we had no idea that this existed,” Greaney said. “We’d just assumed that they’d been thrown away.” In 1958, samples like this couldn’t provide much information - but now, Greaney added, it can help archaeologists understand where the stones were from and how they were transported. It could even provide clues to one of the biggest questions: why move all these rocks to one location? Right now, “we don’t know” is the answer to that, Greaney said. "We think this is a prehistoric temple. It’s aligned with the movements of the sun, so we think it’s some kind of ceremonial space. But exactly what the stones mean, why they built them in this way and set them up in the way we see today, there are lots of mysteries about Stonehenge that we have yet to get to the bottom of. 
6. Which of the following statements is TRUE, according to the passage?

Find synonym:
We should consume healthy food and exercise regularly.