脑组织严重缺氧（） A.精神兴奋，烦躁不安 B.血压下降，神志清_爱下问搜题

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问题单项选择题 B型题

脑组织严重缺氧（）

A.精神兴奋，烦躁不安

B.血压下降，神志清楚

C.表情淡漠、昏迷

D.脉压差小，收缩压下降明显

E.脉压差明显减小，血压明显下降

答案

参考答案：C

解答题

直接写得数．

3.4÷20=	0.25×80=	0.24÷0.6=	8×0.07=	0.3×0.3=
0.4×500=	9÷0.01=	3.8+2.6=	8-0.75=	4×1.5=

选择题

We should eat a lot of fruit and vegetables ___________ . [ ]

A. having good health

B. to stay healthy

C. keep in good health

D. stay healthy