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Unit 4 Globalwarming-Section一、用括号内所给词的适当形式填空1Today there are less than 100 copies of the book still in _(exist)2Weve seen enormous _(grow)in the number of businesses using the web.3The cooker doesnt work because of a(n)_(electricity) fault.4Confucius is one of the greatest _(educate)in our history.5Thank you for your _(contribute)to the prosperity of our country.6Using a computer helped with the spelling and _(present)of the report.7Weve had a few _(agree),but were still good friends.8The city is searching for the ways to reduce air _(pollute)二、用方框内所给短语的适当形式完成句子come aboutresult frombuild upput up withunder no circumstanceson behalf ofon an averageand so on,on the wholekeep on 1I dont know how you can _ their endless quarrels every day.2He made a speech at the conference _ his school.3As the pressure _,the mayor had to apologize publically for his wrong doing.4The English language boom stems from a variety of sources:world trade,pop culture,science _.5_ will China be the first country to use nuclear weapons.6Despite his bad health,he still _ dealing with the problems in person.7How did it _ that you messed up my clean kitchen again?8Any damage _ negligence must be paid for by the borrower.9_,a storm moves at about 56 miles an hour and a hurricane at 90.10_,the damage to the house is not serious and it could be repaired.三、完成句子1Many houses were completely destroyed in the earthquake._(因此)the victims had to live in the temporary shelters offered by the Red Cross.2Under no circumstances _(你再相信他)3. _from the lake where he often went fishing _ he saved the drowning girl?(用强调句型)4_(只要) it doesnt give you much trouble,I would like to stay here for the weekend.5How can you _(忍受这么大的噪音)?四、 阅读理解AResearchers in over 80 nations are taking part in a project to conduct a decadelong census(统计)of sea life.Scientists presented some of their findings at a recent conference as the project neared its completion.In deep icy waters under Antarctica,scientists found bulbous tunicates,an underground animal,and many newlydiscovered creatures believed to be related to starfish(海星)and other marine(海洋的)creatures.Elsewhere in the worlds oceans,they have recently discovered many kinds of underwater life forms new to science.It is all part of a research effort called the Census of Marine Life.“There are about 2,000 scientists worldwide involved,” said Bob Gagosian,President,CEO of the Consortium for Ocean Leadership.Gagosian helps manage the project.“Everywhere theyve gone theyve found new things,” he says.“The ocean basically is unexplored from the point of view of marine living things.”Researchers have placed small markers on hundreds of fish and marine animals to track by satellite their migration(迁移)routes and to discover places where sea life gathers.According to Ron ODor,a senior scientist with the Census of Marine Life,knowledge of life on the ocean floor is especially limited.“90% of all the information we have is from the top hundred meters of the ocean,” ODor states.And he says the sea floor is,on average,at a depth of 4,000 meters.And so,as some machines dive far below what people have previously seen,scientists are discovering new species of plants,animals and living things.Since the census project began,more than 5,300 new marine animals have been found.Ocean researchers say they hope to catalogue 230,000 species during the censuswhich some say is only a small part of all the creatures living in the sea.1Why do the researchers place small markers on many marine creatures?ATo catch them.BTo research them.CTo kill them.DTo protect them.2From what Ron ODor says,we can conclude that _.Ahuman beings only know a little about marine lifeBthe oceans dont need to be further exploredChe considers exploring the ocean a dangerous thingDthe marine creatures mainly live on the top of the ocean3What can we learn from the passage?AAbout 2,000 scientists from America are involved in the project.BThe census of sea life will last for ten years.C230,000 new marine animals have been found.DThe sea floor is at a depth of 400 meters.4Why does the author write the passage?ATo tell the news that new marine creatures are being discovered.BTo encourage people to find new marine creatures.CTo prove the importance of marine creatures.DTo introduce the newlydiscovered creatures.BWhen you watch TV and play video games you make global warming worse!It may seem hard to believe,but when electricity is made,so are greenhouse gases.This means that every time you use electricity you help make global warming worse!Cars are also making global warming worse.They burn fossil fuels(化石燃料)in their engines,and send lots of greenhouse gases into the air.Global warming may be a big problem,but we can all help stop it.People can try to drive their cars less.Or even get ones that run on sunlight!You can also help.Lets try one of these top ideas:(1)Try to use less electricity.Turn off lights,your television,and your computer when youve stopped using them.To make electricity,fossil fuels are burned in big factories.But burning fossil fuels also makes greenhouse gases.You should also try to watch less TV.(2)Plant trees.Not only is it a fun thing to do,but it is also a great way to lower the number of greenhouse gases in the air.Trees take carbon dioxide out of the air when they grow.(3)Dont throw away your rubbish,try to recycle it.If rubbish is not recycled,it is put in the ground.There it rots(腐烂)and makes a greenhouse gas called methane(甲烷)So try to recycle cans,bottles,plastic bags and newspapers.Itll make you feel great!And itll help the Earth.5If we _,we may make global warming worse.Ause less electricity Bdrive a car on sunlight Cplant trees Dthrow away rubbish6We may use more electricity by _.Aturning off lightsBshutting down computersCturning up CD playersDturning off TV7Using less electricity does good to global warming because_.Athe less electricity is used,the more greenhouse gases are producedBthe more electricity is used,the more greenhouse gases are producedCmore electricity is used,less greenhouse gases are producedDless electricity is used,more greenhouse gases are produced8Which is the following is NOT true according to the passage?ADriving cars on sunlight helps to stop global warming.BWhen cars burn fossil fuels,they produce greenhouse gases.CWhen trees grow,they send carbon dioxide into the air.DBy planting more trees,we can lower the number of greenhouse gases in the air.参考答案一、用括号内所给词的适当形式填空1.答案:existence2.答案:growth3.答案:electrical4.答案:educators5.答案:contribution6.答案:presentation7.答案:disagreements8.答案:pollution二、用方框内所给短语的适当形式完成句子1.答案:put up with2.答案:on behalf of3.答案:built up4.答案:and so on5.答案:Under no circumstances6.答案:kept on7.答案:come about8.答案:resulting from9.答案:On an average10.答案:On the whole三、完成句子1.答案:As a consequence2.答案:should you believe him any more3.答案:Was it;that4.答案:So/As long as5.答案:put up with so loud noise四、 阅读理解1.答案:B解析:细节理解题。根据第五段“Researchers have placed small markers on hundreds of fish and marine a
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