There are a variety of causes that can contribute directly or indirectly to the extinction of a species or groups of species. Just as each species is unique, and so is each extinction. The causes (i) _______ each are varied – some subtle and complex, others obvious and simple. Most simply, any species that is unable to (ii) _______ or reproduce in its environment, and unable to move to a new environment where it can do so, will (iii) _______ out and become extinct. Extinction of a species may come suddenly when a healthy species is wiped out completely, as when toxic pollution makes its entire diversity unlivable; or may occur gradually over thousands or millions of years, such as when a species gradually loses out in (iv) _______ lor food to better adapted competitors. The question of whether more extinction in the fossil record has been caused by evolution or by catastrophe is a subject of discussion. When taking about species extinction that has been raised, most experts concern with the (v) _______ of climate change and technological disasters. Currently, environmental groups and some governments are concerned about the extinction of species caused by human beings and are attempting to combat further extinctions through various ways of conservation programs. Humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of new predators and food competitors, overhunting, and other influences.

(ii)_____

We can finish the rest of the bread for _________ breakfast.

History is full of inventions that looked good at the time, but which nobody wanted to buy. New ideas may fail for one of several reasons. Firstly, there are those which do not (i) _____ work very well when put to the lest. Then, there are the ideas which are good in themselves, but which do not fulfill a real (ii) _____. In other words people can do without them, so do not buy them. A third group are those which prove to be too expensive to manufacture. But none of these reasons explains why, in the 1990s, no new technology was (iii) _____ in replacing (iv) _____ for the home. During this time, a number of alternative technologies were invented that could have replaced the CD, but none of them (v) _____ on. The new ideas worked, were not costly to make and would have provided consumers with higher quality recordings. Despite all this, few people bought them. And this can only be explained by the fact that people who had invested in CD players and discs of their favorite music did not think the improvement in quality on offer was great enough to make it worth the effort and expense ofchanging.

(v)_______

Some years ago, when I was working as an astronomer at the Greenwich Observatory in London I received a letter from an elderly lady living nearby who said: “When I was a girl we could sec so I many stars, but they’re not there anymore. Have they faded?” Walking down the hill on which the observatory stands, I (i) _____ the truth of what she said. Beneath me were all the lights of London and above me was the orange glow they send up into the night sky. But I could (ii)  _____ see any stars. If light pollution – as this effect is known – continues to increase at its present rate, our grandchildren will only get the chance to see the stars if they visit an observatory like the one in Greenwich. Light pollution is almost (iii) _____ for granted in most cities, and it is fast spreading into rural areas too. (iv) _____ recent research, almost half of all Europeans and two-thirds of North Americans can no longer see the milky Way. And this type of pollution doesn’t only destroy our view of the night sky. It also wastes money and causes environmental pollution. For example, a single light bulb, (v) _____ all year, releases around a quarter of a tone of carbon dioxide into the atmosphere, making global warming even worse.

(iii)_______

Are you a fan of the popular logical puzzle that go by the name Sudoku? Even if you’re not, the chances are you know somebody who is. Once (i) _______ known outside Japan, this addictive brain teaser has become a common feature of newspaper puzzle pages all over the world. Sudoku’s great success owes much to its simplicity. The game (ii) _______ for neither mathematical ability nor general knowledge and there are just a few sentences of straightforward instructions to read before you can play. The only skill required is the ability to recognize the difference between nine different symbols, and these don’t even have to be numbers. Some clever marketing has helped the game. Western newspapers worked hard at promoting the game Without this, it is unlikely that it would have (iii) _______ off and become quite such a runaway success. The same also benefited from its Japanese name that made people in many parts of the world regard. It as a superior kind of puzzle compared to those you usually find in newspapers and magazines. But the popularity of Sudoku reached a peak in 2006, if the number of (iv) _______  on one leading website is anything to go by. Newspapers responded by (v) _______ up with new kinds of logical puzzles, all with simple rules and Japanese names. But for true Sudoku fans, only the real thing will do.

(iv)_____

Choose the correct answer to each of the following questions. "Hoa's mother told her not to eat  too ______ fast food"

_________ on the phone.

There are a variety of causes that can contribute directly or indirectly to the extinction of a species or groups of species. Just as each species is unique, and so is each extinction. The causes (i) _______ each are varied – some subtle and complex, others obvious and simple. Most simply, any species that is unable to (ii) _______ or reproduce in its environment, and unable to move to a new environment where it can do so, will (iii) _______ out and become extinct. Extinction of a species may come suddenly when a healthy species is wiped out completely, as when toxic pollution makes its entire diversity unlivable; or may occur gradually over thousands or millions of years, such as when a species gradually loses out in (iv) _______ lor food to better adapted competitors. The question of whether more extinction in the fossil record has been caused by evolution or by catastrophe is a subject of discussion. When taking about species extinction that has been raised, most experts concern with the (v) _______ of climate change and technological disasters. Currently, environmental groups and some governments are concerned about the extinction of species caused by human beings and are attempting to combat further extinctions through various ways of conservation programs. Humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of new predators and food competitors, overhunting, and other influences.

(i)_____

Jennifer tasted _____ birthday cake her mother had made. 

Keep children  ......  from the fire.

Today the police are able to make use of all kinds of scientific and technological achievements in their fight against crime. This was not always the (i) _______ , however. In the early days of the British police force, during the nineteenth century, the police office’s whistle was his main way of calling for help if he got into (ii) _______ . Gradually, in the twentieth century, things (iii) _______ _ to improve.

Those police officers who were lucky enough to be given a patrol car rather than a bicycle could also took (iv) _______ of radio communications. In 1903, a new system for identifying people by their fingerprints was discovered. (v) _______ it soon proved to be one of the most significant developments in crime investigation, a seareh of the national fingerprint collection could take days, if not weeks, until computers were introduced in the 1970s.

(iv)_________

We shall have to ………..this matter ……..at the next meeting 

In Britain, the average young person now spends more money on games each year than on going to the cinema or renting videos. But is this (i) _______ a bad thing? For years, newspaper reports have been saying that children who spend too much lime playing computer games become unsociable, bad- tempered, even violent as a result. But new researeh, (ii) _______ out in both Europe and the USA, suggests that the opposite may be true. Indeed, playing some of the more complicated games may help people of all ages to improve certain skills. Researehers claim that this is because the games make the brain work harder in certain ways, like (iii) _______ sounds and movements quickly and identifying what they are. The fact that people play the games repeatedly means that they get a lot of practice in these skills which are therefore likely to become highly developed. Social skills may benefit, too. Researehers in Chicago think that fans of first- person shooter games (iv) _______ . “Counterstrike” are better than non­ players when it comes to building trust and co-operation, and that this helps them to make good friendships and become strong members of their communities. So rather than (v) _______ up computer games, perhaps young people need to spend more lime on them?

(iv)______

Tom always _____ breakfast before going to work.

During the last 400 years, most scientists have based on mathematics in their development of their inventions or discoveries. However, one great British scientist, Michael Faraday, did not make (i) _______ of mathematics. Faraday, the son of a poor blacksmith, was born in London in 1971 and had no (ii)  _______  beyond reading and writing. In 1812, Faraday was hired as a bottle washer by a great chemist Humphry Davy. Later, Faraday became a greater scientist than Davy, making the last years of Davy’s life embittered (iii) _______ jealousy. Faraday made the first (iv) _______  motor in 1821, a device that used electricity to produce movement. Then Faraday became interested in the relationship between electricity and magnetism. In 1831, he discovered that when a magnet is moved near a wire, electricity flows in the wire. With this discovery, he produced a machine for making electricity called a dynamo. Faraday then went on to show how electricity affects chemical substances. Because Faraday believed that money should be given to the poor, when he grew old, he was destitute. (v) _______, Queen Victoria rewarded him for his discoveries by giving him a stipend and a house. He died in 1867.

(v)_______

Travelling abroad is getting easier and easier for young people nowadays. If you take the time to talk to travel (i) _____.and shop around, some really good deals can be found. Eurorail and interrail are two travel cards which allow people aged 20 or under, unlimited travel in Europe, mainly by train. It’s quite a good idea to plan your (ii) _____ before you set off. Most young travelers stay on campsites or in youth hostels, as they are quite cheap. Unbelievable bargains can be found by last-minute bookings for charter flights. Remember to (iii) _____.with your luggage two hours before take-off forinternational flights. But don’t take too much with you or you won’t be able to carry it to the bus or taxi that will take you to your hotel. It is advisable to carry traveler’s cheques rather than cash, and keep them in a money belt around your waist. Look after your passport and tickets carefully. If disaster (iv) ______ .and all your valuables are stolen, contact your nearest (v) _____   .There they’ll help you with all the paperwork and make sure you get home safely.

(ii)_____

Many adults in America and increasing numbers elsewhere take part in mentoring schemes. A mentor is an adult who provides support and friendship to a young person. There are (i) _____ different ways of mentoring: passing on skills, sharing experiences, offering guidance. Sometimes the most helpful thing is just to listen. Mentoring is open to anybody – no particular (ii) _____ experience is required, just a desire to make a difference to the life of a young person who needs help. This may seem a difficult thing at first, but many people find they have a real (iii) _____ for it.

The support of a mentor can play an important role in a child’s development and can often make up (iv) _____a lack of guidance in a young person’s life. It can also improve young people’s attitude towards society and build up their confidence in dealing with life’s challenges. For the mentor, it can be incredibly rewarding to know that they have had a significant (v) _____ on a child and helped to give them the best possible chance in life. Indeed, it is not only adults who are capable of taking on this role. There is now an increasing demand for teenagers to mentor younger children, for example by helping them with reading or other school work.

(i)______

The UK Government ensures that all schools in the UK meet certain standards, and this includes independent schools as well as those that are (i) _______ by the Government. All qualifications are awarded by national agencies accredited by the Qualification and Curriculum Authority (ỌCA), so the quality of the qualifications you will gain is guaranteed. Al many independent schools in England, you will be encouraged to take part (ii) _______ extracurricular activities to develop your hobbies and learn new skills, and you may be encouraged to lake graded music exams (iii) _______ by the Associated Board of the Royal Schools of MusiC. The exam grades gained from these are widely accepted toward university entry requirements. Independent schools do not usually offer vocationally focused qualifications but if you are (iv) _______ in these qualifications, you can find out more in the ‘career­ based and pre-university qualifications’ section. The fees you pay to attend independent school, include your course fees, accommodation and may include some or all extracurricular activities. Fees (v) _______  from school to school and are at the discretion of the institution; there are no national standards. You should expect to pay a minimum of £8,000 per year and fees can be as high as £25,000.

(ii)_______

Choose the correct answer to each of the following questions. "Life expectancy for both men____ women has improved greatly in the past twenty years."

Many of the things we do depend on receiving information from other people. Catching a train, making a phone call and going to the cinema all involve information that is stored, processed and communicated. In the past, this information had to be kept on paper (i) _______  , for example, books, newspapers and timetables. Now, more and more information is put on computers. Computers play a role in our everyday lives, sometimes without US even realizing it. (ii) _______  the use of computers in both shops and offices. Big shops have to deal with very large amount of information. They have to make sure that there are enough goods on the shelves for customers to buy, they need to be ablcto reorder before (iii) _______ run out. A lot of office work in the past involved information on paper. Once it had been dealt with by people, the paper was (iv) _______ for future reference. This way of working was never particularly easy or fast. A computer system is much more (v) _______ .

(ii)_______

Our lesson _____ at 7.30 a.m every morning.