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问题 多项选择题

疳证的主要病因为（）。

B.卒受惊恐

C.疾病影响

D.禀赋不足

E.喂哺不足p>

答案

参考答案：A, C, D, E

选择题
Hardly _____ to the airport _____ he was surrounded by many journalists and fans.
A. the famous singer had got; when
B. the famous singer got; then
C. had the famous singer got; when
D. did the famous singer get; then
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单项选择题 A1型题

一级消除动力学的特征是（）。

A.毒物在任何时间的消除速率与毒物该时间在体内的量成正比

B.血浆浓度的对数值对时间作图得一直线

C.毒物的半减期恒定

D.毒物浓度恒比衰减

E.以上都正确
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