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【简答题】
轴上零件的轴向固定方法有哪些?
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反馈参考答案：
举一反三
【单选题】His health failing, ______ last year.
A.
so the school gave Mr. Smith leave
B.
the school had given Mr. Smith leave
C.
so Mr. Smith went on leave from work
D.
Mr. Smith went on leave from work
【单选题】After retirement, Mr. Smith ______ painting, which he had always loved but had not had time for.
A.
took up
B.
got up
C.
help up
D.
looked up
【单选题】Mr. Smith ______ that he had made a mistake and that he had corrected it.A．acceptedB．admittedC．ta
A.
4. Mr. Smith ______ that he had made a mistake and that he had corrected it. A．accepted
B.
admitted
C.
talked
D.
Promised
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