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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. 
小題1:
A．hundredB．hundredsofC．hundredofD．hundreds
小題2:
A．listenB．listentoC．hearofD．hear
小題3:
A．moonB．starC．earthD．sun
小題4:
A．lotB．littleC．manyD．much
小題5:
A．othersB．theothersC．theotherD．another
小題6:
A．AirB．FoodC．WaterD．Noise
小題7:
A．lifeB．liveC．livingD．lives
小題8:
A．somethingbadB．badsomething
C．somethinggoodD．goodsomething
小題9:
A．waterB．airC．noiseD．white
小題10:
A．leastB．bestC．mostD．worst
小題11:
A．drivingB．bikedC．ridingD．ridden
小題12:
A．whyB．becauseC．whatD．how
小題13:
A．putonB．lookatC．putawayD．lookup
小題14:
A．betterandbetterB．moreandmore
C．worseandworseD．biggerandbigger
小題15:
A．quiteB．suchC．veryD．so

小題1:B
小題2:D
小題3:C
小題4:C
小題5:D
小題6:A
小題7:C
小題8:A
小題9:B
小題10:B
小題11:C
小題12:B
小題13:C
小題14:C
小題15:D

試題分析：短文大意：現(xiàn)在的生活比數百年前是更容易了，但它也帶來了一些新的問題。最大的問題之一是空氣污染。告知人們?yōu)榱巳祟悾瑸榱撕蟠�，我們必須要保護我們的家園——地球。
小題1:考查數詞及語境理解。表示整百時hundred不用復數，也不跟of連用，但表示概數時，hundred必須用復數，并且跟of連用。數百年前hundreds of years ago是一固定用法，所以選B。
小題2:考查動詞及語境理解。 listen 聽，是一個非及物動詞，常與 to  搭配使用 ，強調聽的動作過程；hear of  聽到，聽說；hear 聽，聽見，是一個及物動詞，強調聽的結果。根據We can see it, smell it, drink it and推知選D。
小題3:考查名詞及語境理解。Moon月球；star 星；earth  地球；sun 太陽。結合句意人類已污染了地球可知選C。
小題4:考查形容詞及語境理解lot 很多；little  很少，幾乎沒有；many  許多，修飾可數名詞復數；much 許多，修飾不可數名詞。根據上句The more people, the more pollution.（人越多，污染越多）可知本句句意為：許多年前，這問題不嚴重是因為沒有如此多的人，people是復數名詞，所以選C。
小題5:考查代詞及語境理解。others 其他的，泛指；the others 其他的，特指；the other  另一，指兩者當中的另一者；another另一，指多數當中的另一者。根據上句When the land was used up, the river was not clean in a place,（當土地被用光，那地方的河流不干凈時）知本句句意為：人們就去了另一個地方，所以選D。
小題6:考查名詞及語境理解。 Air  空氣；Food 食物； Water 水；Noise噪音。跳讀知句意：現(xiàn)在，人類正在慢慢地污染整個世界，空氣污染仍然是最嚴重的，所以選A。
小題7:考查名詞及語境理解。life 生活，復數為lives；live 居住，現(xiàn)在分詞為 living  ，第三人稱單數為lives 。living things生物，是一固定說法，所以選C。
小題8:考查不定代詞及語境理解。something 某事，某物；bad 壞的； good  好的；形容詞修飾復合不定代詞要放在后面。跳讀知句意：許多國家不允許人們燃燒廢物，所以選A。
小題9:考查名詞及語境理解。Water水；air 空氣；noise 噪音； white白色，白色的。根據常識二氧化硫污染是最危險的空氣污染可知選 B。
小題10:考查形容詞及語境理解least 最少的； best  最好的；most 最多的；worst 最壞的。跳讀知句意：人們說最好騎自行車，所以選 B。
小題11:考查動詞及語境理解。駕駛汽車用drive，騎自行車用ride。跳讀知句意：人們騎自行車，沒有污染。個和前面的are可知選 C。
小題12:考查疑問詞及語境理解why 為什么；because  因為； what  什么；how 怎么。根據句意這不是因為自行車貴，可知選 B。
小題13:考查動詞短語及語境理解put on  穿，戴；look at 看； put away 收起，放好； look up向上看，在字典參考書中查找。根據前句It’s because the number of cars on the roads becomes larger.（這是因為道路上的汽車數量變大） 知本句意為更多的人收起他們的自行車而開車去工作，所以選C。
小題14:考查形容詞及語境理解。better and better 越來越好； more and more  越來越多；worse and worse 越來越壞； bigger and bigger 越來越大。根據前句more people  put away their bikes and go to work by cars（更多的人收起他們的自行車而開車去工作）知,本句句意為，情況變得越來越糟，所以選C。
小題15:考查副詞及語境理解。quite  很，非常；such 如此，常用在名詞前；very 非常，很； so如此，常用在形容詞或副詞前。Such…that，so..that，都譯為如此…以致，由于difficult為形容詞，故用so。所以選 D。
考點:科普環(huán)保類短文。
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