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【单选题】
刚体的运动形式有: 1);2)平面运动;3)往复直线运动;4)转动。凸轮机构的件——凸轮的运动形式有哪几种?( )A.
1）和2）
B.
3）和4）
C.
1）和3）
D.
2）和4）
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举一反三
【单选题】---I must be off now, or it will be too late to see Tom. ---_______? Do you really want to see that dull boy?
A.
For him
B.
Why so
C.
For what
D.
So what
【单选题】—Do you want _______ a film with me this evening? —Yes, I do. I enjoy _______ films. [ ]
A.
to see; seeing
B.
seeing; to see
C.
to see; to see
D.
seeing; seeing
【单选题】—Do you want to go to a movie? —___________. I want to see a comedy. [ ]
A.
Yes, I do
B.
No, I don't
C.
Yes, I want
D.
No
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【简答题】补全对话 A: What animals do you want to see ? B: 小题1: . A: Why do you like to see pandas? B: 小题2:_______________________________________________. A: Really? By the way, do...
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