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【简答题】
符合静平衡条件的回转构件，其质心位置在（）。静不平衡的回转构件，由于重力矩的作用，必定在（）位置静止，由此可确定应加上或去除平衡质量的方向。
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举一反三
【判断题】Silas took Scarlett’s memory in case she revealed the whole thing to the other people.
A.
正确
B.
错误
【单选题】Scarlett Johnasson developed ______ interest in acting at three and has made herself perhaps ______ finest actress of her generation.
A.
an; a
B.
/; the
C.
an; the
D.
/; a
【简答题】Why did Silas take away some of the memories of Scarlett and her mother?
【单选题】Scarlett _________ Butler in 1998. They _________ for ten years.
A.
married, have got married
B.
married with, have got married
C.
got married to, have been married
D.
married, married
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