单项选择题

Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ______of the quality of their products.

A. expansion
B. exposure
C. expense
D. expectation
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单项选择题
Advance in science more often than not encounters powerful opposition, ______Darvin’s Theory of Evolution.
A. as was the case with
B. such as the case of
C. as it did with
D. as in the case of
单项选择题
The high school my daughter studies in is ______our university.

A. linked by
B. relevant to
C. mingled with
D. affiliated with
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