- 英语一(研究生)
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During the early period of ocean navigation,（ ）any need for sophisticatedinstruments and techniques.
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（ ）,photo synthesis is the ultimate source of food for almost all organisms on earth.
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For most men,talk is primarily a means to preserve in dependence and negotiate and maintain status i...
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I would have gone to visit him in the hospital had it been at all possible,but（ ）fully occupied the ...
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Even though its economy continues to recover,the US is increasingly becoming a nation of part‐timers...
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Nowadays,more people are living closer together,and they use machines to produce leisure.As a result...
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Some experts,who regard language primarily as a code using symbols to represent sounds,（ ）reading as...
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This may be because some people do not have the genes necessary to generate particular smell recepto...
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In Germanic cultures punctuality is a sign of respect and politeness;being late is rude.Germans beli...
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（ ）many instances,the people built special temples in which the meteorites were to be worshipped.Met...
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More families consist of one‐parent households or two working parents;（ ）,children are likely to hav...
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The maximum penalty for trafficking has been changed from 14 years to life imprisonment.This autumn,...
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However,marriages between members of different groups（interclass,interfaith,and interracial marriage...
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Getting enough vitamins is essential to life,although the body has no nutritional use for（ ）vitamins...
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Some canals,such as the Suez of the Panama,save ships weeks of time by making their voyage a thousan...
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It soon becomes clear that the interior designer’s most important basic（ ）is the function of the par...
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Because they are adjusting to their new bodies and a whole host of new intellectual and emotional ch...
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They do not provide energy,nor do they construct or build any part of the body.They are needed for（ ...
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An expert system has as its base the collected knowledge of experts,the rules that experts use to ar...
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It was within the computer age that the term“information society”began to be widely used to describe...