补全对话（10分，每空2分）

A: You look worried. 小题1:___________________________________?

B: I have trouble learning English. 小题2:_________________________________?

A: Sure. You could watch some English movies.

B: 小题3:_________________________ ! By the way, I called you at 9 last night, but nobody answered.

小题4:________________________________________?

A: I was eating out with my family. What’s up?

B: 小题5:_________________________________________?

A: OK. Let’s meet on Sunday morning at your house and I can help you with your English.

B: Thank you very much. See you then.

A: See you.

《建筑消防安全检测评价技术规程》规定，洒水喷头安装的一般要求（）

A.扑救电气火灾应为离心雾化型水雾喷头

B.现场人工控制

C.腐蚀性环境应为防腐型水雾喷头

D.粉尘场所设置的水雾喷头应有防尘罩