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【单选题】
取半卧位时，下述抬高床头的角度正确的是（ ）A.
30-450
B.
30-600
C.
45-750
D.
60-900
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举一反三
【单选题】Why will the population in poorer countries increase?
A.
Because they need more labor to support the family.
B.
Because the people have the habit to have a big family.
C.
Because the people there are poorer.
D.
Because the people there want to be rich.
【单选题】在了解分析程序表（用作风险评估程序）时，分析程序不包括（）。
A.
在必要时对识别出的波动或关系进行调查
B.
与其他相关信息不一致的情况进行调查
C.
与预期值差异重大的波动情况进行调查
D.
无需对不同财务数据之间关系做出评价
【单选题】The author calls the Quechua empire a mandala because ______.
A.
it was agrarian
B.
it was superstitious
C.
a closed economy prevailed
D.
it was divided into four zones
【单选题】Why do policemen feel separated from the rest of the world? ______.
A.
Because they feel superior to simple-minded people around them.
B.
Because they are suspicious of the people around them.
C.
Because they do not receive due support from society.
D.
Because they find people insincere to them.
【单选题】一个额定值为220V、 40W 的白炽灯与一个额定值为 220V 、 60W 的白炽灯串联接在 220V 电源上,则 ( ) 。
A.
R1
B.
R2
C.
R3
D.
不能确定
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