Choose the correct answer to each of the following questions. "My friends admitted forgetting to submit the assignments the day _____."

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.

(iv)_____

Tourism is the fastest-growing industry in the world. As well as bringing prosperity to an area, however, it can also destroy the qualities which attracted visitors in the first place. If it is not carefully controlled, tourism can also (i) _____ problems for local people, as is shown by various examples from around the world. When Phuket in Thailand first became a popular tourist (ii) _____, people there were unable to cope with the increase in rubbish that 2 million visitors a year produce and a huge incinerator had to be built in the countryside in water consumption, (iii) _____ many local people to walk considerable distances to get clean water. And Egypt’s desert landscapes are being destroyed by the litter dropped by tourists. Moving sands are difficult to clean, and the white desert to the west of the Nile Valley may be permanently (iv) _____. It’s encouraging, therefore, to read about the efforts of certain tour companies who are organising environmental holidays in some of the worst hit areas. Regular tours now go to places such as the Himalayas and Atlas mountains In North Africa with the aim of combining a bit of sightseeing with the chance to help (v) _____ some of the mess left by previous visitors.

(ii)_____

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)_________

A large supermarket was looking for a manager for a new store they were (i) _____ to open. Out of over 90 people who had applied for the post, the had chosen five and asked them to come for an interview. The first (ii) _____, Mr Riley, walked into the interview room. He was smartly dressed, but it was clear that he was listening to a personal stereo. He sat down, (iii) _____ off his shoes and lit a cigarette. One of the interviewers said that they would (iv) _____ him not to smoke and Mr Riley excused. Just at that moment, a telephone rang. Mr Riley reach into his pocket, took out his mobile phone and began a conversation with a friend of his. After a minute or two, the interviewers had had enough and said they wanted to begin, “Certainly, go ahead”, said Mr Riley. They asked him why he wanted the job. “I don’t”, he replied. “But I felt like a day in London, and you’ve already paid my train (v) _____ to come up here for the interview.”

(iv)_____-

Traditionally, spas were places which had a spring of mineral water, where people who were sick went to recover from an illness or (i) _____ a disease. Spas were developed by the (ii) _____ Romans, who built public bath houses over hot volcanic springs. Some Roman baths could accommodate up to 6,000 bathers, and had restaurants, sports centres, swimming pools, gardens and libraries. An extremely low entrance fee ensured the popularity of the baths. There was no fixed order in which the rooms were used. People might begin with a hard workout, before going to the Warm Room to relax, have a vigorous massage in olive oil and then (iii) _____ a good soak in a warm bath. Next, they could take a bath in the Hot Room, before cooling down the Cold Room. After that, they might (iv) _____ for a swim, read some poetry in the library, have a (v) _____ to eat, or talk about urgent matters of state in a private talk room

(ii)_______

Japan is no longer an Empire. When it lost all of its colonics, it also (i) ______ Korea and Dokdo Island. Dokdo Island has always been Korean territory and part of its country. Japan only wants to rebuild its Empire by sending its ships there. On the other hand, Japan says that it only wants to check (ii) ______ for more fish. There are many South Korean fishing boats in the area and Japanese fishermen have no place to do their own fishing. However, Japan has similar problems with two (iii) ______ neighbors, China and Russia, over two other islands, Senkaku/ Diaoyu and North Territories/ Kurils.

Liancourt Rocks may (iv) ______ an unimportant matter, but it is not. If Japan gives up its right to it, it has a good chance of losing its right to other islands as well. Japan has demanded the USA to act as a judge in this argument, but South Korea refuses to (v) ______ another country decide over its own land.

(iv)______

Alex is in Boston studying for _____ MBA. 

Today, there are libraries in almost every towns in the world. Even in areas where there are no libraries, there are often mobile libraries which take books from one village to (i) _______  . But in the days when books were copied by hand rather than printed, libraries were very rare. The reason is simple: books took a very long time to produce, and there were far fewer copies of any given work around. The greatest library (ii) _______ all, that in Alexandia had 54,000 books. In the ancient world, this number (iii) _______ considered huge. It was the first time that anyone had collected so many books from all around the world under one roof. There are many theories about why these books were lost. (iv) _______ is that the library accidentally burned down. Another is that one of the rulers of the city ordered the books to be burned. They were taken to various places and it took six months to bum them. (v) _______ happened, the collection there was priceless. Many of the library’s treasures were lost forever, some books were never recovered. We cannot even know exactly what the library contained.

(iii)______

Child workers, some as young as 10, have been found working in a textile factory in conditions described as close to slavery to produce clothes that appear destined for one of the major high street retailers. Speaking to a British newspaper, the children described long hours of (i) _______ work and threats and beatings. The company said it was unaware that clothing intended for its stores had been improperly (ii) _______  to a sweatshop that used child labour. It further announced the alleged breaches of the ethical code it imposed on manufacturers three years ago. The discovery of these children working in appalling conditions in the Shahpur Jat area of Delhi has renewed concerns about the (iii) _______ by some large retail chains of their garment production to India, recognized by the United Nations as one of the world’s hotspots for child labour. According to one estimate, over 20 per cent of India’s economy is (iv) _______ on children, which comes to a total of 50 million youngster under 14 working. Consumers in the West should not only be demanding answers from retailers about how theứ (v) _______ are produced but also be looking into their consciences at how they spend their money and whether cheap prices in the west are worth the suffering caused to so many children.

(i)_____

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.

(v)_____

It used to be thought that people could not swallow well in space, so the food programmes for astronauts consisted of bite – sized pieces of food pushed out of tubes. But now it is known that you can cat in space in the same way as on Earth. The physical constraints lie in the body of the spaceship rather than the body of the astronaut. Limited storage and cooking facilities, with no space or power to (i) _______  for complex food preparation, mean that the (ii) _______  for space nutritionists has gone beyond providing astronauts with food that is palatable and good for them. The solution has emerged in the form of dehydrated foods. Simply add water to the freeze – dried granules. With space flights often lasting more than a week, astronauts cannot live on granules alone. They also take pre- cooked meals scaled in bags, which they (iii) _______  up in a small oven. There are tastier than granules but, according to Dr. Helen Lane, a researeh putritionist, it is difficult to  get astronauts to cat as much as they need. It is partly that they are so busy but also because there is no stimulation. So tickling their taste buds is an uphill struggle, especially since one of the effects of zero gravity is to (iv) _______  the sense of smell. Weightlessness is an important consideration in space food because of the danger that the food might fragment and float off in different (v) _______  . “We need foods that coalesce”, says Dr. Lane. “Yoghurts, puddings sauces all hold together in large droplets. Your spoon may float away, but the food will stay on it.”

(iv)_______

Around 1190, Tcmujjin and his close allies and advisers began to unite many (i) _____ Mongol clans. Using his strong will and charisma, he managed to persuade (ii) _____ of those fighting and warring clans to accept him as the one and only leader. It seems Tcmujjin had a gift, the unusual ability to act as a leader and (iii) _____ respect. Several tribes tried to oppose him. There were a lot of betrayals and killings, but eventually Tcmujjin managed to do what nobody had ever done before: unite all Mongols (iv) _____  one nation in 1206. In honor of his achievements, the Mongol clan chiefs (v) _____Tcmujjin the title Khan, or “leader”.

(iii)______

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.

(iii)_______

 “Your speech this morning was just beyond my expectation.” “  ...................   ”

 Please meet me at the train station in _________ hour from now. 

For all the talk of what humankind has done to cause destruction to the planet, we should not forget that nature itself is a powerful force, capable of doing damage on a huge scale. The greenhouse (i) _____ and the hole in the ozone layer are indeed made worse by the industrialized society we live in. However, we must remember that there are certain species of plant and animal which, quite naturally, (ii) _____ offgases that are very harmful to the atmosphere. And only fifty years ago in London, hundreds of people died from the smog which hung over the River thames. What is interesting here is that, yes, smoke and gases from industry, vehicles and fossil (iii) _____  were ingredients in this deadly mixture. The other vital ingredient, though, was the completely natural fog, and who would have thought that could be harmful? In the early days of the industrial revolution, poets, painters and philosophers described how the polluted urban skies made them think of the end the world. Well, towards the end of the nineteenth century, the volcanic eruption of Krakatoa nearly made it happen! Though of tons of dust and ash were thrown into the air and, for years afterwards, there were red sunsets caused by the light filtering through this natural pollution. Remembering scientists pet theory about the dinosaurs (iv) _____ out because of a huge volcanic eruption, we were lucky that humankind survived this time. So next time you look out from your garden or balcony and see a beautiful red sunset, think of the possibilities. It could be the result of our activities poisoning the air we breathe, or it might just be (v) _____ turning on the radio to check there haven’t been any major eruptions lately!

(iv)______

I would rather that I ...... him to my birthday party yesterday.

For all the talk of what humankind has done to cause destruction to the planet, we should not forget that nature itself is a powerful force, capable of doing damage on a huge scale. The greenhouse (i) _____ and the hole in the ozone layer are indeed made worse by the industrialized society we live in. However, we must remember that there are certain species of plant and animal which, quite naturally, (ii) _____ offgases that are very harmful to the atmosphere. And only fifty years ago in London, hundreds of people died from the smog which hung over the River thames. What is interesting here is that, yes, smoke and gases from industry, vehicles and fossil (iii) _____  were ingredients in this deadly mixture. The other vital ingredient, though, was the completely natural fog, and who would have thought that could be harmful? In the early days of the industrial revolution, poets, painters and philosophers described how the polluted urban skies made them think of the end the world. Well, towards the end of the nineteenth century, the volcanic eruption of Krakatoa nearly made it happen! Though of tons of dust and ash were thrown into the air and, for years afterwards, there were red sunsets caused by the light filtering through this natural pollution. Remembering scientists pet theory about the dinosaurs (iv) _____ out because of a huge volcanic eruption, we were lucky that humankind survived this time. So next time you look out from your garden or balcony and see a beautiful red sunset, think of the possibilities. It could be the result of our activities poisoning the air we breathe, or it might just be (v) _____ turning on the radio to check there haven’t been any major eruptions lately!

(v)______

People love to complain. Moaning to friends can be a source of relief from the stresses and strains of work, study or relationships. But when it comes to protesting to a retailer about faulty good and services, many of US find we don’t have nerve and choose to (i) _____ in silence. By the time we do eventually summon up the courage to make our point, we have generally already allowed the problem to get to us, and we are angry. In this stale, we can all too (ii) _____ become aggressive, gearing up for battle and turning what should be a rational discussion into a conflict. To complain effectively, you need to be specific about your problem and communicate it clearly using words which are objective and fair. (iii) _____ over the top with emotional language and unreasonable claims will get you nowhere.

Good negotiators tend to be calm and logical. They start by explaining situation and stating their requirements clearly, without threat. Most complains prompt a defensive (iv) _____ from the other person, but by being reasonable yourself, you stand more chance of achieving the positive (v) _____ you want.

(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.

(i)_______--