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【单选题】
关于夹紧力方向的确定，下列叙述正确的是（ ）。A.
应有利于减小夹紧力
B.
应有利于增大夹紧力
C.
夹紧力的方向不同，产生效果一样
D.
夹紧力方向应垂直工件的次要定位面
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举一反三
【单选题】---Would you mind basketball here? ---Sorry. We’ll go and play it on the playground.
A.
playing
B.
not playing
C.
play
D.
to play
【单选题】—Would you mind not littering in the classroom? —________. I'll pick up the waste paper. [ ]
A.
With pleasure
B.
Thanks
C.
No, not at all
D.
Yes, that's it.
【单选题】— Would you mind ______ baseball here? — Sorry. We'll go and play in the park. [ ]
A.
not playing
B.
playing
C.
not to play
D.
not play
【单选题】-- Sir,would you mind a little more slowly? -- Of course not. I thought you could follow m e.
A.
s p eak
B.
speaking
C.
to speak
【简答题】根据句意及首字母提示完成单词。 1. -Would you mind t __________down the music? -No, not at all. 2.-Would you mind p__________ the apples? -No. I'll do it right away. 3.-Would you mind not p __________baseball here ? ...
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