婴幼儿上呼吸道感染的临床特点是：() A．以消化道症状为主 B．

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问题单项选择题

婴幼儿上呼吸道感染的临床特点是：()

A．以消化道症状为主

B．以呼吸道症状为主

C．以鼻咽部症状为主

D．全身症状重

E．全身症状轻

答案

参考答案：D

选择题

As we all know, the advantage _______ is good for students’ self-improvement.

A．they take of the library

B．they take the library

C．they take to the library

D．they take the library of

单项选择题

黄柏粉末含

A．草酸钙砂晶
B．油细胞
C．晶纤维
D．草酸钙簇晶
E．胶丝团块