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问题
问答题 简答题
工作前应做好哪些检查?
答案
参考答案:
检查砂轮有无缺陷,防护罩是否完好。
选择题
— Why on earth didn't you answer the phone?
— I'm terribly sorry, but the doorbell ____, too.
A. is ringing
B. rang
C. was ringing
D. was about to ring
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单项选择题 A1型题
在十二经脉走向中,足之三阴是()
A.从脏走手
B.从头走足
C.从足走胸
D.从足走腹
E.从手走头
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