患儿，半岁。骤闻异声后，夜里啼哭2月，每夜发作3～5分钟。其病

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问题单项选择题

患儿，半岁。骤闻异声后，夜里啼哭2月，每夜发作3～5分钟。其病因是（）

A.感受外邪

B.伤乳因素

C.惊恐因素

D.环境污染

E.胎产因素

答案

参考答案：C

解析：小儿心怯神弱，骤闻异声导致惊伤心神，出现夜啼。

选择题

Linda can't attend the party _____ at Tom's house at present because she is preparing a

speech for the party _____ at Marie's house tomorrow. [ ]

A. being held; to be held

B. to be held; held

C. held; being held

D. to be held; to be held

单项选择题

特点是上身瘦，臀部较大、较粗的体型是（）。

A.O型

B.H型

C.A型

D.X型