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“ Of course,” he continued, I’ve always been very good at sports. I’m a brilliant footballer, you know—in fact, I’d say I am very good at all ball games. I’m not bad at skiing, either. The funny thing is that my brother is totally different. He ... I’m not boring you, am I?" “ Oh no," said the woman beside him. "It's fascinating. Please go on." "Well, as I was saying, my brother was always hopeless at football at school and the one time that he tried to ski he spent most of his time on his back. And he hates swimming. Not very good at tennis, either. But he's terrific at chess. He's very good at using his brains, you know. Of course, I don’t know one end of a chessboard form the other. I think I take after my father―he’s a fantastic footballer. But then, he’s not bad at chess, either.” He stopped, puzzle at the fact that his father was good at doing so many things. “ But,” he said at last "enough about me. Tell me — what are you good at?" She smiled. “Well,” she answered, "They say that I'm good at listening...”
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【简答题】跟读课本Unit 6 Section 1 Part 1 Exercise A. (系统故障无法上传音频,请同学们用课本附带APP打开音频) 1. Where does he live? What sort of family does he come from? Who/whom does he know that we know? What does he do for a living? Ho...
【多选题】以下关于准静态过程的说法正确的是( )
A.
每一时刻系统都无限接近平衡态的过程
B.
过程由一系列依次接替的平衡态组成
C.
对无限缓慢的实际过程的近似描述
D.
准静态过程是理想过程
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【单选题】关于热力学过程下列说法正确的是()
A.
凡能列出过程方程的都是准静态过程
B.
任意过程都能写出过程方程
C.
实际过程,在PV图上能真实表示
D.
PV图上用虚线所表示的过程是准静态过程
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【单选题】关于无摩擦的准静态过程下列说法正确的是()
A.
可逆过程
B.
可是实现的过程
C.
无限慢的过程
D.
不可逆过程
【多选题】关于准静态过程以下说法正确的是:
A.
是一个进行得无限缓慢的过程
B.
系统将连续不断地经历着一系列平衡态的过程
C.
是不可能达到的理想过程,但我们可尽量趋近它
D.
缓慢是否足够的标准是弛豫时间。
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【多选题】关于准静态过程,下列说法正确的是 (A)准静态过程中,每个中间态都是或则都可视为平衡态 (B)只有理想气体才会有准静态过程 (C)准静态过程是理想化过程模型 (D)如果系统与外界之间的压力差为有限大,过程将不是准静态的
A.
准静态过程中,每个中间态都是或则都可视为平衡态
B.
只有理想气体才会有准静态过程
C.
准静态过程是理想化过程模型
D.
如果系统与外界之间的压力差为有限大,过程将不是准静态的
【多选题】关于无摩擦的准静态过程下列说法不正确的是( )。
A.
可逆过程
B.
可是实现的过程
C.
无限慢的过程
D.
不可逆过程
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