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For years scientists have been worried about the ___________ of air pollution on the earth’s natural conditions.
A. effect B. result C. account D. cause
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完型填空
Among the most popular books being written today are those which are usually classified as science fiction (科幻小说). Hundreds of 1 are published every year and are read by all kinds of people. 2 ,some of the most successful films of recent years have been 3 on science fiction stories.
It is often thought that science fiction is a fairly new 4 in literature,___5__ its ancestors (祖先) can be found in books written hundreds of years ago. These books often 6 the presentation of some form of ideal (理想的) 7 ,a theme (主题) which is 8 often found in modern stories.
Most of the classics of science fiction, 9 ,have been written within the last one hundred 10 . Books by writers, such as Jules Verne and H. G. Wells, to 11 just two well-known authors, have been translated into many languages. 12 science fiction writers don't write about men ___13__ Mars of space adventure stories. They are 14 interested in predicting (预见) the effect of technical progress 15 society and the human mind, or in 16 future worlds which are a reflection (反映) of the world 17 we live now. 18 of this, their writing has obvious political undertones (含意). In an age when scientific fact frequently ___19__ science fiction, the writers may find it difficult to keep 20 of scientific advances.
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A. passes on to
B. gets close to
C. catches up with
D. breaks away from
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完型填空
Among the most popular books being written today are those which are usually classified as science fiction (科幻小说). Hundreds of 1 are published every year and are read by all kinds of people. 2 ,some of the most successful films of recent years have been 3 on science fiction stories.
It is often thought that science fiction is a fairly new 4 in literature,___5__ its ancestors (祖先) can be found in books written hundreds of years ago. These books often 6 the presentation of some form of ideal (理想的) 7 ,a theme (主题) which is 8 often found in modern stories.
Most of the classics of science fiction, 9 ,have been written within the last one hundred 10 . Books by writers, such as Jules Verne and H. G. Wells, to 11 just two well-known authors, have been translated into many languages. 12 science fiction writers don't write about men ___13__ Mars of space adventure stories. They are 14 interested in predicting (预见) the effect of technical progress 15 society and the human mind, or in 16 future worlds which are a reflection (反映) of the world 17 we live now. 18 of this, their writing has obvious political undertones (含意). In an age when scientific fact frequently ___19__ science fiction, the writers may find it difficult to keep 20 of scientific advances.
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A. passes on to
B. gets close to
C. catches up with
D. breaks away from
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Many people now think that teachers give pupils too much homework. They say that it is 36 for children to work at home in their free time. 37 ， they argue that most teachers do not 38 plan the homework tasks they give to pupils. The result is that pupils have to 39 tasks which they have already done at school.
Recently in Greece， many parents 40 about the difficult homework which teachers gave to their children. The parents said that most of the homework was a waste of time， and they wanted to 41 it. Spain and Turkey are two countries which stopped homework recently. In Denmark， Germany and several other countries in Europe， teachers cannot 42 homework at weekends. In Holland， teachers allow pupils to stay at school to do their homework. The children are 43 to help one another. Similar 44 also exists in some British schools.
Most people agree that homework is not 45 . A pupil who can do his homework in a quiet and 46 room is in a much better position than a pupil who does his homework in a small， noisy room with the television on. Some parents help their children with their homework. Other parents take no 47 at all in their children’s homework.
1.A.unnecessary B.uninteresting C.unfortunate D.unimportant
2.A.Nevertheless B.However C.Therefore D.Moreover
3.A.considerably B.favorably C.properly D.pleasantly
4.A.finish B.repeat C.attend D.accomplish
5.A.quarreled B.puzzled C.explored D.complained
6.A.delay B.stop C.block D.prove
7.A.design B.draft C.do D.set
8.A.forbidden B.free C.desperate D.afraid
9.A.schedule B.mistake C.arrangement D.behavior
10.A.fair B.average C.balanced D.comparative
11.A.furnished B.expensive C.comfortable D.suitable
12.A.interest B.curiosity C.notice D.attention
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