Air and the sun's rays create much distortion, and whatever tends to their influence is u

发布时间：2020-08-14 23:33:58

Air and the sun's rays create much distortion, and whatever tends to      their influence is useful to the astronomer.
A. exclude
B. eliminate
C. extinguish
D. impose

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(答案→)A. exclude
B. eliminate
C. extinguish
D. impose
解析：　exclude 排除。extinguish扑灭；eliminate消除。
　　impose 把......强加给：Don't impose your wishes on us.(不要把你的意思强加给我们。)
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