疹形细小稀疏，瘙痒不已，时发时止者，其病机是（） A.热邪入于_爱下问搜题

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问题单项选择题 A1/A2型题

疹形细小稀疏，瘙痒不已，时发时止者，其病机是（）

A.热邪入于营血

B.血虚感受风邪

C.郁湿之邪外泄

D.风热时邪所致

E.湿热火毒内蕴

答案

参考答案：D

选择题

— Has your former classmate come back from America?

— Yes, he _______ there for eight years. [ ]

A. has stayed

B. stays

C. stayed

D. had stayed

单项选择题

依据有关规定，统一年产值标准应设定基准时点，一般（）年调整一次。

A．2-3

B．3-4

C．3-5

D．4-5