单项选择题

Further technical ()of this kind will only lead to increases in production cost.

A. cases
B. ways
C. treatment
D. measures

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() I explained on the phone, your request will be considered at the next meeting.

A. As
B. That
C. Which
D. What
单项选择题
The rewards you get in this job are in () to the effort you put in.

A. response
B. direction
C. proportion
D. addition
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