简述中学生品德发展的基本特征。
参考答案：
（1）伦理道德发展具有自律性；（2）品德发展由动荡向成熟过渡。
同义句转换.
1. They put off the match because it rained.
They put off the meeting _____ _____ the rain.
2. They watched TV at home. They didn't see a film.
They watched TV at home _____ _____ _____ a film.
3. Who will host the party?
Who will _____ _____ _____ _____ the party?
4. The show ended five minutes ago.
The show_____ _____ _____ _____ five minutes.
5. At first I couldn't open the door.
_____ _____ _____ I _____ _____ _____ open the door.
镗工装夹工件时，一定要仔细将残留在夹具定位面上的（）清除干净，否则会降低调整精度，甚至使工件尺寸超差。
A.切削液
B.润滑油
C.切屑
D.污物
E.铁锈
F.水渍
