问答题
76.Had electronic computers not been invented,________________________(很多关于太空飞行的问题不能解决了)。
【参考答案】
many problems of space flight could not have been solved
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单项选择题
One of the reasons for the current crisis in American colleges and universities is that______.
A.a narrow vocationalism has come to dominate any colleges
B.students don’’t have enough freedom in choosing what they want learn
C.skills are being taught as a means to an end
D.students are only interested in obtaining credentials
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问答题
In modern traffic conditions, we find an atmosphere of__________so necessary.
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