尺寸界线可以直接利用轮廓线、轴线或对称中心线。
A. 对
B. 错
For years, Chinese billionaires began to _____ most frequently in Forbes magazine.
A. put up
B. take up
C. pop up
The air was ousted from my lungs and I _____。
A. blacked out
B. pulled to a stop
C. stood fast
The police are reluctant to _________ family conflicts.
A. interfere with
B. intervene in
C. mingle with
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