问题
单项选择题
关于不可逆过程叙述正确的是( )。
A．是外界有变化的过程
B．是有摩擦存在的过程或者非准静态的过程
C．是系统不能回复到初始状态的过程
D．是不能反向进行的过程
答案
参考答案：B
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关于不可逆过程叙述正确的是( )。
A．是外界有变化的过程
B．是有摩擦存在的过程或者非准静态的过程
C．是系统不能回复到初始状态的过程
D．是不能反向进行的过程
参考答案：B
| 阅读短文，用下面方框中所给的单词或短语填空。 | |
didn't 1 me. It all started when she asked me if she could copy my homework. I asked her why she wanted to do that, and she said that she had forgotten to do hers. I said I didn't think it was a good idea. I said it would start a bad 2 and she should do her own work. She got really 3 at me and said she didn't want to be my best friend anymore. I said that was OK and that I was sure she would 4 it. And she did. Yesterday she told me she was 5 . She said it was much better if she did her own work. 1.______ 2.______ 3.______ 4.______ 5.______ |