走线架整体应保持水平，垂直偏差可以为（）.A.1.5‰ B.2‰ C.0.5‰ D.

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问题多项选择题

走线架整体应保持水平，垂直偏差可以为（）.

A.1.5‰

B.2‰

C.0.5‰

D.1‰

答案

参考答案：A, B, C, D

补全对话，情景问答

I	II
( ) 1. What's that? ( ) 2. Who's that? ( ) 3. What's your name? ( ) 4. Sorry ! ( ) 5. Good evening, Barry!	A. Good evening, Ben! B. My name is Carol. C. Never mind. D. It's letter D. E. It' s my mother.

单项选择题 A1/A2型题

女患者，分娩后突然感头晕眼花，不能坐起，恶心呕吐，继而神昏，不省人事。应诊断为：（）

A.产后痉证

B.产后血晕

C.产后昏迷

D.产后郁证

E.以上都不是