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【判断题】
下图 表示用作力多边形方法求平面汇交力系的合力,则该汇交力系的合力等于零。A.
正确
B.
错误
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【简答题】I know what you're thinking: pizza? For breakfast? But the truth is that you can have last night's leftovers in the a. m. if you want to. I know lots of women who skip breakfast, and they have a ton o...
【单选题】— ___________ — They’re books．
A.
What’re these?
B.
Are these English books?
C.
How do you spell it?
【简答题】I know what you’re thinking: pizza? For breakfast? But the truth is that you can have last night’s leftovers in the morning if you want to. I know lots of women who don’t have breakfast, and they have...
【单选题】Could you be more _______ about what you’re looking for?
A.
particular
B.
peculiar
C.
special
D.
specific
【简答题】减震器的作用是什么？
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