The earth is our home. We must take care of it. Life today is easier than it wasyears ago,

The earth is our home. We must take care of it. Life today is easier than it was years ago, but it has brought some new problems. One of the biggest problems is pollution（污染）. We can see it, smell it, drink it and even it. Man has polluted the . The more people, the more pollution.Many years ago, the problem was not so serious because there were not so people. When the land was used up (用光), the river was not clean in a place,man went to place. Now man is slowly polluting the whole world pollution is still the most serious, it’s bad for things in the world.Many countries don’t le t people burn for air in houses and factories in the city. Pollution by SO2 is now the most dangerous kind of pollution. It’s caused by heavy traffic. People say it’s to ride bikes. When you are , there is no pollution. But even in developed countries, most people don’t go to work by bike. It’s not bikes are expen sive or people are tired if they ride to work. It’s because the number of cars on the roads becomes larger. So more people their bikes and go to work by cars, then things are getting . We should have special roads only for bikes and make it difficult and expensive for drivers to take their cars into the city that they will go back to use their bikes.
【小题1】A．hundredB．hundredsofC．hundredofD．hundreds【小题2】A．listenB．listentoC．hearofD．hear【小题3】A．moonB．starC．earthD．sun【小题4】A．lotB．littleC．manyD．much【小题5】A．othersB．theothersC．theotherD．another【小题6】A．AirB．FoodC．WaterD．Noise【小题7】A．lifeB．liveC．livingD．lives【小题8】A．somethingbadB．badsomethingC．somethinggoodD．goodsomething【小题9】A．waterB．airC．noiseD．white【小题10】A．leastB．bestC．mostD．worst【小题11】A．drivingB．bikedC．ridingD．ridden【小题12】A．whyB．becauseC．whatD．how【小题13】A．putonB．lookatC．putawayD．lookup【小题14】A．betterandbetterB．moreandmoreC．worseandworseD．biggerandbigger【小题15】A．quiteB．suchC．veryD．soB

(答案→)B 解析：短文大意：现在的生活比数百年前是更容易了，但它也带来了一些新的问题。最大的问题之一是空气污染。告知人们为了人类，为了后代，我们必须要保护我们的家园——地球。【小题1】考查数词及语境理解。表示整百时hundred不用复数，也不跟of连用，但表示概数时，hundred必须用复数，并且跟of连用。数百年前hundreds of years ago是一固定用法，所以选B。【小题2】考查动词及语境理解。 listen 听，是一个非及物动词，常与 to 搭配使用 ，强调听的动作过程；hear of 听到，听说；hear 听，听见，是一个及物动词，强调听的结果。根据We can see it, smell it, drink it and推知选D。【小题3】考查名词及语境理解。Moon月球；star 星；earth 地球；sun 太阳。结合句意人类已污染了地球可知选C。【小题4】考查形容词及语境理解lot 很多；little 很少，几乎没有；many 许多，修饰可数名词复数；much 许多，修饰不可数名词。根据上句The more people, the more pollution.（人越多，污染越多）可知本句句意为：许多年前，这问题不严重是因为没有如此多的人，people是复数名词，所以选C。【小题5】考查代词及语境理解。others 其他的，泛指；the others 其他的，特指；the other 另一，指两者当中的另一者；another另一，指多数当中的另一者。根据上句When the land was used up, the river was not clean in a place,（当土地被用光，那地方的河流不干净时）知本句句意为：人们就去了另一个地方，所以选D。【小题6】考查名词及语境理解。 Air 空气；Food 食物； Water 水；Noise噪音。跳读知句意：现在，人类正在慢慢地污染整个世界，空气污染仍然是最严重的，所以选A。【小题7】考查名词及语境理解。life 生活，复数为lives；live 居住，现在分词为 living ，第三人称单数为lives 。living things生物，是一固定说法，所以选C。【小题8】考查不定代词及语境理解。something 某事，某物；bad 坏的； good 好的；形容词修饰复合不定代词要放在后面。跳读知句意：许多国家不允许人们燃烧废物，所以选A。【小题9】考查名词及语境理解。Water水；air 空气；noise 噪音； white白色，白色的。根据常识二氧化硫污染是最危险的空气污染可知选 B。【小题10】考查形容词及语境理解least 最少的； best 最好的；most 最多的；worst 最坏的。跳读知句意：人们说最好骑自行车，所以选 B。【小题11】考查动词及语境理解。驾驶汽车用drive，骑自行车用ride。跳读知句意：人们骑自行车，没有污染。个和前面的are可知选 C。【小题12】考查疑问词及语境理解why 为什么；because 因为； what 什么；how 怎么。根据句意这不是因为自行车贵，可知选 B。【小题13】考查动词短语及语境理解put on 穿，戴；look at 看； put away 收起，放好； look up向上看，在字典参考书中查找。根据前句It’s because the number of cars on the roads becomes larger.（这是因为道路上的汽车数量变大） 知本句意为更多的人收起他们的自行车而开车去工作，所以选C。【小题14】考查形容词及语境理解。better and better 越来越好； more and more 越来越多；worse and worse 越来越坏； bigger and bigger 越来越大。根据前句more people put away their bikes and go to work by cars（更多的人收起他们的自行车而开车去工作）知,本句句意为，情况变得越来越糟，所以选C。【小题15】考查副词及语境理解。quite 很，非常；such 如此，常用在名词前；very 非常，很； so如此，常用在形容词或副词前。Such…that，so..that，都译为如此…以致，由于difficult为形容词，故用so。所以选 D。考点:科普环保类短文。

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