–It is said that Bob will drop out of school because his family cannot afford the school fee.

– _____, let’s give him a hand.

A．If so

B．If only

C．Where necessary

D．Where possible

男，29岁，因外伤造成上下颌骨多发性骨折，有短暂昏迷，拟急诊手术。

最安全的气管插管方法是（）。

A.气管切开

B.快速经口插管

C.浅麻醉表麻下经口插管

D.快速经鼻插管

E.慢诱导经鼻插管