单项选择题

Perhaps the only ______ that physicists have are, for big science, the cultural appeal to the public of fundamental laws of nature and of the Universe.

A．alley
B．allies
C．alloy
D．allergy
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单项选择题
An important objective of both exercises is to develop a structure for rigorously competitive ______.
A．self-review
B．peer review
C．talk show
D．peer counseling
单项选择题
Such initiatives can pay generous dividends in a continent ______ a large and talented scientific community which, although largely educated in the United States and in Europe, is strongly inclined to return home to do science.
A．bloomed with
B．blocked with
C．blessed with
D．blocked by
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