问题
单项选择题
下列属于碱性腐蚀品的是（）。
A、葱
B、乙酰氯
C、二环乙胺
D、木馏油
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
下列属于碱性腐蚀品的是（）。
A、葱
B、乙酰氯
C、二环乙胺
D、木馏油
参考答案：C
| What does "You can't wake a person who is pretending to be asleep." mean?( ) |
A. It's better to have help to do even small job. B. Don't try helping people if they don't want your help. C. It is better to be poor and honest than rich and dishonest. D. Silent people and animal may be thinking about hurting you. |