下列关于急性会厌炎的选项中，正确的是() A.可有变态反应 B._爱下问搜题

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问题多项选择题

下列关于急性会厌炎的选项中，正确的是()

A.可有变态反应

B.严重时可出现窒息

C.有严重的声嘶症状

D.必要时要行气管切开

E.无应用抗生素的必要

答案

参考答案：A, B, D

选择题

Getting rid of bad habit is________forming a good one.[ ]

A. an effort much as

B. much an effort as

C. as an effort much as

D. as much an effort as

选择题

By sunset we had ___ thirty miles.

A．taken

B．covered

C．reached

D．added