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【单选题】
定位轴线一般应编号，编号应注写在轴线端部的圆内，圆应用（）绘制。A.
粗线
B.
细点划线
C.
中粗线
D.
细实线
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反馈参考答案：
举一反三
【单选题】听力原文：M: What did you do to celebrate your birthday?. W: My friends took me to see Cirque du Soleil. What a show! It was unlike anything I had ever seen before. The performances were mesmerizing—they w...
A.
It's a concert,
B.
It's a circus.
C.
It's a game.
D.
It's a movie.
【单选题】W: We had fun at the party, didn't we? M: Yes, it was nice to see our old friends again. What do the man and the woman mean?
A.
They enjoyed the party.
B.
Their friends seemed rather old.
C.
They met some funny people at the party.
D.
They didn't meet their friends.
【简答题】何谓玻璃化转变温度?简述一种测量聚合物玻璃化转变温度的方法。
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