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【多选题】
零件的几何要素按功能分（ ）。A.
被测要素
B.
基准要素
C.
中心要素
D.
拟合要素
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反馈参考答案：
举一反三
【单选题】1,Choose the best answer What has the woman just done?
A.
The woman has just bought a new car
B.
The woman has just bought a new dress
C.
The woman has just bought a new magazine.
D.
The woman has just bought a new hat.
【单选题】What has the woman mainly been thinking about?
A.
The weather.
B.
A vacation.
C.
Going skiing.
D.
Her studies.
【单选题】听力原文：Seven. What has the woman just bought? Woman: What do you think? I found it in that new department store yesterday. I think it's perfect. It'll keep the sun off my face and it'll go really well w...
A.
&ndsp
B.
&ndsp
C.
&ndsp
【单选题】3 What has the woman decided to do On Sunday afternoon?
A.
To attend a wedding
B.
To visit an exhibition
C.
To meet a friend
【简答题】撞击、碰撞;崩溃、坠落
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