化简与计算：（1）12-18+312-3243；（2）(18-24)÷6+(1-

句型转换

1. Don't worry. I can repair it on my own.

Don't worry. I can repair it                      

2. Mr. Wang got up early so that he might not miss the early bus.

Mr. Wang got up early _____ _____ _____ _____ miss the early bus.

3. People can easily get lost in the woods.

People can easily _____ _____ _____ in the woods.

4. She smiled and hurried off.

She hurried off _____ _____ ____  on her face.

5. Shall we go out for a walk after supper?

_____ _____ _____ a walk after supper?  

【8】 是位于用户和数据库之间的一个数据管理软件。

真空脱气的设备包括什么？

周遍寻思

背负法可以用于清醒的、体型较轻的且需要长途运送的伤病者。