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问题 单项选择题

咯血护理措施不正确的是

A．静卧休息，尽量少翻动
B．大咯血时，应取平卧位，头偏向一侧
C．咯血不止时，嘱患者屏气以利止血
D．保持大便通畅
E．若为肺结核咯血则应卧向患侧

答案

参考答案：C

选择题

I often think of the days ______ I took part in the military training with the soldiers, _____ has a great effect on my studies.

A．which; that

B．that; which

C．when; who

D．when; which
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单项选择题

关于H锉下列哪项说法不正确（）

A.横截面呈逗点状

B.适用于宽松根管的预备

C.刃口与根管壁接近垂直

D.操作时可用旋转和提拉动作

E.较易折断
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