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【多选题】
的进给量要比车外圆时小( ),切削速度要比车外圆时低( )。A.
20% ～30%
B.
30%～50%
C.
10%～20%
D.
50%
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反馈参考答案：
举一反三
【单选题】The person who told the story is probably a ______.
A.
policeman
B.
farmer
C.
newspaper reporter
D.
country doctor
【单选题】How can a reporter bring out the proportion of a story?
A.
By giving numbers, quotes or factual statements that bear on size.
B.
By telling in his own words how big the story is.
C.
By editorializing about how serious the issue at heart is.
D.
None of the above.
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