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【简答题】
机构中的构件按其运动性质可分为哪三类?
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】I wonder did he really mean it.
【单选题】听力原文：M：I wonder if Jim caught the tram yesterday. W：I think he did．He left for the train station at 9:15，but the train wouldn't leave until 9:35. Q：When did the train leave? (10)
A.
At 9:15.
B.
At 9:35.
C.
At 9:50.
D.
At 9:20.
【简答题】已知汉字“家”的区位码是2850H,则其国标码是( )
【单选题】— He is slow in studying. I wonder how he could get good results in the exam. — No wonder he is always _____. [ ]
A.
lively
B.
hard-working
C.
kind-hearted
D.
helpful
【单选题】听力原文：M: I wonder if Jim caught the train yesterday. W: I think he did. He left for the train station at 9:15. but the train wouldn't leave until 9:35. Q: When did the train leave? (10)
A.
At 9:15.
B.
At 9:35.
C.
At 9:50.
D.
At 9:20.
【简答题】Hans has a new car. I wonder when____________it. A.he bought B.did he buy C.buys D.he is buying
【单选题】I wonder why Mr. Wang did not attend the lecture. He _____ another one. [ ]
A.
could have
B.
must have
C.
might have had
D.
should have
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