采集晨尿作尿常规是因为（）。 A.尿液澄清，不混浊 B.未受药物_爱下问搜题

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问题多项选择题

采集晨尿作尿常规是因为（）。

A.尿液澄清，不混浊

B.未受药物的影响

C.尿液浓度较高

D.未受食物的影响

E.尿液未变质

答案

参考答案：C, D

选择题

They became friends again that day. Until then, they _____ to each other for nearly two years.

A．won't speak

B．haven't spoken

C．hadn't spoken

D．haven't been speaking

判断题

驾驶机动车遇到成群的青少年骑自行车时，可连续鸣喇叭迅速超越。