根据句意和首字母填写单词。

1. The girl is very o_____.

2. We need to be more c_____.

3. I'd tell him to ask my p_____ before he borrows something next time.

4. I'd wait for him to i_____ himself to me.

5. I enjoy the c_____ of other people.

检查有机氯杂质时，需将其转变为无机氯离子后方可进行。其转变方法为

A．直接加热水解法

B．碱性氧化法

C．碱性还原法

D．氧瓶燃烧法

E．元素分析法