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【简答题】
若AB的中点M到平面α的距离为4cm，点A到平面α的距离为6cm，则点B到平面α的距离为______cm．
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反馈参考答案：
举一反三
【简答题】工业机器人的系统主要由 、 和 三个基本部分组成。
【判断题】In the novel, Carrie is the only character whose status is not determined economically.
A.
正确
B.
错误
【简答题】对普通车床进行数控化改造,一般有哪2条思路或途径?
【单选题】About the novel Sister Carrie , which of the following statements is right?
A.
It is about a Southern aristocratic woman, who refuses to come to terms with the present.
B.
It tells a story of a country girl, who strives to gain her material rise in big cities but soon gets tired of her success.
C.
It is about a young vain girl, who indulges herself in grand parties and luxurious trips but soon becomes penniless.
D.
The story is about a young sailor, who struggles to reach the upper society but soon gets disillusioned.
【单选题】In the novel, Carrie is the only character whose status is not determined economically. ( )
A.
true
B.
false
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