皮皮学，免费搜题
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【单选题】
腹腔穿刺放腹水后多头腹带的目的是为了防止A.
腹压骤降，引起休克
B.
腹水再增生
C.
腹压下降，引起心脏移位
D.
腹腔内脏下垂
E.
腹壁皮肤松弛
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反馈参考答案：
举一反三
【单选题】Which of the following sentence adopts a diffferent rhetorical device from the rest three?
A.
The world is watching closely what the White House will do next.
B.
I, too, felt the compulsive hand of nature and began to find that pointing out contradictions could be costly as well as fun.
C.
Democracy favors the vote rather than the bullet.
D.
It never occurred to him that the pen could be mightier than the sword.
【单选题】Which of the following sentence has the different meaning from the other three?
A.
You are telling me.
B.
You may well say so.
C.
You can say that again.
D.
That's not saying very much.
【简答题】化合酸( C.A. )
【多选题】以下关于总效用和边际效用说法正确的是
A.
总效用是消费者在消费商品时所感受的总满足程度
B.
边际效用是消费者增加一单位某种商品的消费所增加的满足程度
C.
边际效用递减时，总效用递减
D.
边际效用大于零时，总效用递增
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