六六六等杀虫剂被淘汰的主要原因是（）
A.效果不好
B.迅速引起抗药性
C.刺激性太强
D.价格太高
E.污染环境
参考答案：E
同义句改写。
1. How about going shopping this afternoon?
going shopping this afternoon?
2. Even if you are with your friends, it is better not to speak loudly in public places.
Even if you are with your friends you your voice in public places.
3. Would you mind my opening the door?
Would you mind the door?
4. I will do it at once.
I will do it .
5. They will get to the airport very soon.
They will get to the airport .
建设工程项目质量控制系统所涉及的质量责任主体是指( )。
A．自控主体 B．监控主体C．监督主体 D．自控主体和监控主体
