高三英语二轮 完形填空突破3年真题2年模拟19.doc

2014届高三英语二轮【完形填空突破-3真2模含解析】19【2012届甘肃省高三第一次诊断性考试】完形填空（共20小题；每小题1.5分，满分30分）阅读下面短文，从短文后所给各题的四个选项（a、b、c和d）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 man - made causes probably do the most damagethere are many man-made causes 21 is one of the biggest man-made problemspollution 22 in many shapes and sizesburning fossil（化石） fuels is one thing that causes pollutionfossil fuels are fuels made of organic matter such as coal or oilwhen fossil fuels are burned, they 23 a green house gas called co2also mining coal and oil allows methane（甲烷）to escapehow does it escape? methane is 24 in the ground 25 coal or oil is mined, you have to dig up the earth a littlewhen you dig up the fossil fuels, you dig up the methane as well another major man-made 26 of global warming is populationmore people 27 more food, and more transportation, right? that means more methane because 28 will be more burning of fossil fuels, 29 more agriculturenow you are probably thinking, wait a minuteyou said agriculture will be damaged by global warning, but 30 you are saying agriculture is going to help cause global warning? well, have you 31 been in a bam filled with animals and you smell something terrible? you are 32 methaneanother source of methane is manure（粪肥）because more food is needed, we have to 33 foodanimals like cows are a source of food which means more manure and methaneanother problem 34 the increasing population is 35 more people means more cars, and more cars means more pollutionalso, many people have more than one carsince co2 contributes to global warning, the increase in population makes the problem worse because we breathe out co2. 36 , the trees that change our co2 to oxygen are being destroyed because we are using the land 37 we cut the trees down from as property for our homes and buildings. we are not replacing the trees (an important part of our ecosystem), so we are 38 taking 39 of our natural resources and giving nothing back in 40 .21afossilbdamagecpollutiondtransportation22agoesbmovesctakesdcomes23alook outbgive offcburn awaydtake in24anaturallybmostlycoriginallydusually25abecausebbutcwhiledwhen26acausebexcusecreasondproblem27aeatsbmeanscproducesdtakes28aitbtheycthatdthere29athoughborcanddbut30athenbnowcbeforedafter31aevenbyetcstilldever32asmellingbfeelingclookingdusing33akeepbraisecplantdgrow34aofbwithcbydin35ahousingblivingcproductiondtransportation36ahoweverbbesidescthereforedthus37awhatbwhencthatdwhere38aquicklybusuallycsurelydconstantly39aadvantagebpartcplaceduse40agenerallybturncreturndtotal2125cdbad 2630abdcb 31-35dabbd 3640bcdac 【解析】28. d考查代词的用法。那意味着需要更多的甲烷因为需要燃烧更多的化石燃料和更多的农业。29.c考查并列连词。解析参看28.30.b考查连词的用法。那么现在你是说农业有助于全球气候变暖。31. d考查副词的用法。你是否曾经去过有动物的牲口棚并闻到什么难闻的气味。32. a考查动词词义及语境。根据前文的内容可知：闻到甲烷的气味。33.b考查动词词义及语境理解。我们不得不提高食物。34.b考查介词的用法。with意为：随着。随着人口增长的另一个问题是交通问题。35.d考查名词词义辨析及语境理解。参看34题解析。36.b考查副词词义及语境理解。我们呼出二氧化碳，另外，把我们的二氧化碳转换成氧气的树也正在被毁坏。37.