高二暑假英语阅读专练(七).docx
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1、高二暑假英语阅读专练(七)AEverywhere man is altering the balance of natureHe is facilitating the spread of plants and animals into new regions, sometimes deliberately, sometimes unconsciouslyHe is covering huge areas with new kinds of plants, or with houses, factories, slag-heaps and other products of his civil
2、izationHe exterminates some species on a large scale, but favors the multiplication of othersIn brief, he has done more in five thousand years to alter the biological aspect of the planet than has nature in five million Many of these changes which he has brought about have had unforeseen consequence
3、sWho would have thought that the throwing away of a piece of Canadian waterweed would have caused half the waterways of Britain to be blocked for a decade, or that the provision of pot cacti for lonely settlers wives would have led to Eastern Australian being overrun with forests of Prickly Pear? Wh
4、o would have prophesied that the cutting down of forests on the Adriatic coasts, or in parts of Central Africa, could have reduced the land to a semi desert, with the very soil washed away from the bare rock? Who would have thought that improved communications would have changed history by the sprea
5、ding of disease-sleeping sickness into East Africa, measles into Oceania, very possibly malaria into ancient Greece? These are spectacular examples; but examples on a smaller scale are everywhere to be foundWe make a nature sanctuary for rare birds, prescribing absolute security for all species; and
6、 we may find that some common and hardy kind of bird multiplies beyond measure and ousts the rare kinds in which we were particularly interestedWe see, owing to some little change brought about by civilization, the starling spread over the English country-side in hordesWe improve the yielding capaci
7、ties of our cattle; and find that now they exhaust the pastures which sufficed for less exigent stock1The following examples except _ reflect man altering the balance of natureAman is covering huge areas with new kinds of plantsBman is facilitating the spread of animals into new regionsCman is killi
8、ng some species on a large scaleDman is getting to know the importance of keeping the balance of nature2What had a piece of Canadian waterweed cause?AEastern Australian was overrun with forestsBHalf the waterways of Britain blocked for a decadeCIn parts of central Africa, the land reduced to a semi
9、desertDDisease-sleeping has been caused3What have spread diseases?ADisease-sleeping sickness BMeaslesCImproved communications DMalaria4We make a nature sanctuary for rare birds but _.Asome common and hardy kind of bird multipliesBrare kinds multiplyCall bird multiplyDno bird multiply5The main idea o
10、f the passage is _Athat man is deliberately destroying the balance of natureBthat man has foreseen the consequences of altering the balance old natureCthat improved communications have changed historyDthat man is altering the balance of nature BThe way people hold to the belief that a fun-filled, pa
11、in free life equals happiness actually reduces their chances of ever attaining real happiness. If fun and pleasure are equal to happiness then pain must be equal to unhappiness. But in fact, the opposite is true: more often than not things that lead to happiness involve some pain.As a result, many p
12、eople avoid the very attempts that are the source of true happiness. They fear the pain inevitably brought by such things as marriage, raising children, professional achievement, religious commitment (预担的义务), self - improvement.Ask a bachelor(单身汉) why he resists marriage even though he finds dating
13、to be less and less satisfying. If he is honest he will tell you that he is afraid of making a commitment. For commitment is in fact quite painful. The single life is filled with fun, adventure, excitement. Marriage has such moments, but they are not its most distinguishing features.Couples with inf
14、ant children are lucky to get a whole nights sleep or a three - day vacation. I dont know any parent who would choose the word fun to describe raising children. But couples who decide not to have children never know the joys of watching a child grow up or of playing with a grandchild.Understanding a
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