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完形填空Directions:Foreachblankinthefo

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解决时间 2021-04-06 23:33
完形填空 Directions:For each blank in the following passage there are four words or phrases marked A,B,C and D.Fill each blank with a word or phrase that best fits the context.In the past, man didn’t have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be1.Today things are2, and the world has become too 3. We’re using up our natural resources too quickly, and at the same time we are4our environment with dangerous chemicals. If we continue to do this, human life on the earth will not survive.Everyone 5today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing6, more and more fish are caught. We know that if too many trees are cut down, forests will disappear and nothing will grow on the land. Yet, we 7to use bigger and more powerful machines to cut down more and more trees.We know that if rivers are polluted with waste products from factories, we’11 die. 8, in most countries wastes are still put into rivers or into the sea, and there are 9laws to stop this.We know, too, that if the10of the world continues to rise at the present rate, in a few years there will not be enough food . What can we do to solve these problems?If we eat more vegetables and less meat there will be more food available for every one. Land that is used to grow crops11five times more people than land where animals are kept. Our natural resources will last longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth control.Finally, if we educate people to think about the problems, we shall have a better and cleaner12in the future.1.A.beautifulB.unlimitedC.rareD.valuable2.A.commonB.the sameC.changeableD.different3.A.crowdedB.smallC.dirtyD.busy4.A.protectingB.savingC.pollutingD.fighting5.A.wondersB.realizesC.considersD.discovers6.A.polesB.boatsC.methodsD.ideas7.A.continueB.haveC.oughtD.go on8.A.ThusB.HoweverC.Generally speakingD.Therefore9.A.too manyB.a fewC.someD.few10.A.productionB.pollutionC.populationD.revolution11.A.feedsB.increasesC.suppliesD.helps12.A.natureB.seaC.planetD.forest
最佳答案
BDACB CABDC AC
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就是这个解释
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