什么是储存物资的盈亏率？
参考答案：
储存物资的盈亏率是指在一定时期内库存物资盈亏相抵后的余额同库存平均占用额之比值。
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.
补偿装置属于接触网的三个组成部分中的支持装置。
