题目内容

He devised an______to measure light waves.

A. implement
B. instrument
C. appliance
D. equipment

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钱大昕是明朝著名史学家。()
参考答案：错误

On the new channel, the respondent would like to see more______.

A. documentaries
B. local service programs
C. travel programs
D. health programs

惠施与庄子相识，且为好友。()

【C19】

A. dependable
B. disciplined
C. diplomatic
D. disputative