---Could you tell me _________ tomorrow morning?

---Well, it will start at half past eight.

A. when the meeting will start

B. when the meeting started

C. when will the meeting start

预防喉痉挛，一般不用（）

A.先吸净口、咽气管内的分泌物

B.预过度吸氧1分钟

C.静注利多卡因1～1.5mg/kg

D.静注阿托品0.5mg

E.通气正常、神志尚未完全清醒时拔管