The chairman insisted on his ridiculous ideas and argued so loudly and impolitely against all the other suggestions that many people ________ into silence.
A. retreated
B. recovered
C. reconciled
D. regulated
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This problem was observed in some people in their thirties, but it was still not ________ in some sixty-and-seventy-year-olds.
A. compatible
B. diverse
C. significant
D. evident
It’s a shame that I have learned French for 10 years and yet I am unable to ________ more than a few sentences.
A. steer
B. utter
C. spill
D. occur
逐次逼近A/D转换的速度比积分式A/D转换的速度________
A. 慢
B. 快
C. 相同