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【单选题】
理想气体的热力学能和焓是( )的函数。A.
压力
B.
温度
C.
比体积
D.
熵
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【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.
【单选题】W:We had fun at the party, didn't we? M:Yes, it was nice to see you old friends again. ()What do the man and the woman mean?
A.
They met some funny people at the party.
B.
They didn't meet their friends.
C.
They enjoyed the party.
D.
Their friends seemed rather old.
【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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