We need to know something about the structure and operation of science because ()．
A． it is not easy to understand the things that excite and frustrate scientists
B． science affects almost every aspect of our life
C．scientists live in a specific subculture
D．it is easier to understand general characteristics of science

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According to this passage,()．

A． English is a sexist language

B． only in the scientific world the role of women is increasing rapidly

C． women are making significant contributions to eliminating the inadequacy of our language

D． male nouns or pronouns should not be used to refer to scientists

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From the passage we know that Larry Page ()．

A． was born into a rich merchant family

B． was once a student in Stanford University

C． published some academic articles when young

D． was Brin's important partner in starting Google

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A国有40%的家庭的男主人认为，只要家里有学龄前儿童，妻子就不应该出外工作，丽应留在家里照顾小孩。B国有80%的家庭的男主人则不这么认为，他们认为妻子出外工作体现了男人对女权的尊重，据调查，A国每两个家庭中就有一个家中有学龄前儿童；B国每三个家庭中就有两个家中有学龄前儿童。如果上述断定为真，以下哪项必定为真？()

A．A国的儿童人数多于B国

B．题于中缺乏足够的条件，对A国和B国的丈夫们对自已有学龄前儿童的妻子出外工作的支持率进行确定性的比较

C．A国的丈夫们对自己有学龄前儿童的妻子出外工作的支持率低于B国的文夫们

D．B国的丈夫们对自己有学龄前儿童的妻子出外工作的支持率低于A国的丈夫们

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Sergey Brin actually graduated from ()．

A． the University of Moscow

B． the University of California

C． the University of Maryland

D． Stanford University

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以下诸项结论都是根据1998年度西单飞舟商厦各个职能部门收到的雇员报销单据综合得出的。在此项综合统计作出后，有的职能部门又收到了雇员补交上来的报销单据。以下哪项结论不可能被补交报销单据这一新的事实所推翻？()