onthionline.net A Fill in the blanks with the most suitable word We are all slowly destroying the Earth The seas and rivers are (1) _ dirty to swim in There is (2) _ smoke in the air that it is unhealthy to (3 ) _ in many of the world’s cities In one wellknown city, for example, poisonous gases from cars (4 ) _the air so much that traffic policemen have to wear oxygen (5 ) _ We have (6 ) _ down so many trees that there are now vast areas of wasteland (7 ) _ over the world As a result, farmers in parts of Africa cannot (8 ) _ enough to eat Wild animals are (9 ) _ disappearing For instance, tigers are rare in India now because we have killed too many for them to survive We must act now before it is too (10) _ to anything about it Join us now to save the earth This is too important to ignore Save the Earth 1.A very B too C so D Extremely 2.A so many B a lot of C so much D a little 3.A live B leave C breathe D smoke 4.A are polluted B pollute C polluted D polluting 5.A clothes B shoes C socks D.masks 6.A put B looked C cut D run 7.A all B in C throughout D with 8.A plow B erode C grow D enrich 9.A quickly B quick C slower D quicker 10.A later B latest C lately D late B Fill in the blanks with the most suitable word In the decade of the 1970s the United Nations organized (11) important meetings on the human environment to study a very serious problem We humans are (12) _ the world around us We are using (13) _ all of our (14) _ resources We must learn to (15) _ them, or life will be very bad (16) our children and our grandchildren 11.A several B a little C any D a lot 12.A preventing B producing C destroying D providing 13.A down B up C to D for 14 cultural B historical C national D natural 15.A conserve B rotate C push back D run of 16.A with B at C for D from onthionline.net C Read the passage and make the correct choice We are in an energy crisis and we will have to something quickly Fossil fuels (coal, oil, and gas) are rapidly running out The tragedy is that fossil fuels are far too valuable to waste on the production of electricity Just think of all the things you can make from oil! If you don't start conserving these things now, it will be too late And nuclear power is the only real alternative We are getting some electricity from unclear power-station already If we invest in further research now, we'll be ready to face the future There's been a lot of protest lately against nuclear power — some people will protest at anything — but nuclear power-stations are not as dangerous as some people say It's far more dangerous to work down a coal-mine or on a North Sea oil-rig Safety regulations are very strict 17 We are in an energy crisis because _ A we have to something quickly B fossil fuels are rapidly running out C fossil fuels are too valuable D we can produce electricity from fossil fuels 18.What’ll happen if we don’t start conserving fossil fuels now? A it won’t be too late B it will be too early C they will run out D it will waste on the production of electricity 19.What’ll happen if we invest in further research now? A we’ll confidently face the future B we’ll be ready to protest at anything C we’ll be ready to make things from oil D we’ll be ready to work down a coal-mine 20 What would be chosen as an alternative to fossil fuels? A coal B oil C gas D.nuclear power D Fill in the blanks with the most suitable word What would happen (31) _ there were a serious nuclear accident? And an accident must be inevitable - sooner or (32) _ Huge areas would be evacuated, and they could (33) _ contaminated with radioactivity for years If it happened in your (34) _, you wouldn't get a penny in compensation No insurance company (35) _ nuclear risks There are accidents If the nuclear industry didn't keep them (36) _, there would be a public outcry Radioactivity causes cancer and may afect future generations onthionline.net 21.A unless 22.A better 23.A remain 24.A career 25.A pays makes 26.A quietly B if C otherwise D when B earlier C later D worse B maintain C develop D happen B environment C compartmentD area B covers C gets D B quite C quiet D hardly E Fill in the blanks with the most suitable word Nowadays people are more aware that wildlife all over the world is in danger Many species of animals are threatened, and could easily become (27) if we not make an efort to protect them There are many reasons for this In some cases, animals are hunted for their fur or for other valuable parts of their bodies Some birds, (28) as parrots are caught alive and sold as pets For many animals and birds, the problem is that their habitat-the place where they live-is disappearing More (29) is used for farms, for houses or industry, and there are fewer open spaces than there once were Farmers use powerful chemicals to help them grow better crops, but these chemicals pollute (30) the environment and harm wildlife The most successful animal on earth-human beingswill soon be the only ones left, (31) we can solve this problem 27.A extinct B lost C empty D disappeared 28.A such B where C like D or 29.A area B earth C land D soil 30.A the B that C an D a 31.A because B however C if D unless F Read the passage and make the correct choice Along with jogging and swimming, cycling is one of the best allround forms of exercise It can help to increase your strength and energy, giving you more efficient muscles and stronger heart But increasing your strength is not the only advantage of cycling Because you’re not carrying the weight of your body on your feet, it’s a good form of exercise for people with painful feet or backs However, with all forms of exercise it’s important to start slowly and build up gently Doing too much too quickly can damage muscles that aren’t used to working If you have any doubts about taking up cycling for health reasons, talk to your doctor and ask his/her advice onthionline.net Ideally you should be cycling at least two or three times a week For the exercise to be doing you good, you should get a little out of breath Don’t worry that if you begin to lose your breath, it could be dangerous and there must be something wrong with your heart This is simply not true; shortness of breath shows that the exercise is having the right efect However, if you find you are in pain then you should stop and take a rest 32 According to the writer, it is best to go cycling A once a week B at least two or three times a month C at least two or three times a week D every day 33 All forms of exercise must be started A quickly B gradually C strenuously D violently 34 People with back problems might go cycling because A it enables them to carry the weight of their body on their feet B it helps them to relieve their backache C it helps to make their backs become stronger D it does not make them carry the weight of their body on their feet 35 You should not worry about the shortness of breath because A it is a sign of exercise having the right effect B it shows that you should stop and take a rest C it shows that there is something wrong with your heart D it is a sign of your getting rid of your heart problem 36 Which of the following is NOT included in the advantages of cycling? A Giving you a stronger heart B Increasing you strength and energy C Making you look younger D Giving you better muscles G Fill in the blanks with the most suitable word Scientific knowledge and the methods for studying the world have (37) slowly through the work of many people (38) _ we have learned much about the world, we still have much (39) _ to learn More and more people are (40) _their lives studying these problems In fact, 90 per cent of all scientists who ever lived are alive today, (41) _ we know is also onthionline.net increasing rapidly One scientist estimates that our information doubles every ten years To help organize this knowledge, science has been divided (42) _such areas as chemistry, physics, biology, astronomy and geology 37.A been B developed C become D made 38.A If B However C Although D Because 39.A more B about C so as D many 40.A taking B doing C learning D spending 41.A What B How C Why D Though 42.A to B in C into D of