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【单选题】
下列关于中脉压的叙述,正确的是( )A.
中脉压大于外静脉压有利于静脉血回流
B.
中脉压是指胸腔内大静脉和右心房压
C.
中脉压较高,一般大于12cmH 2 O
D.
中脉压较低,一般小于4cmH 2 O
E.
中脉压的大小与静脉回流无关
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举一反三
【单选题】It is wrong for someone in such a high______in the government to behave so badly in public.
A.
position
B.
situation
C.
profession
D.
rank
【单选题】Where there is neither the name of the producer or the name of the manufacturer nor the trademark or brand name on the package, such package belongs to
A.
.Unlicensed neutral packing
B.
.Brand neutral packing
C.
Fixed brand production
D.
sales packaging
【简答题】Watch the video and match the name on the left with its related information on the right.
【简答题】仔细阅读课文An Interview，写出文章的段落大意。 _________________________________________________________________________________ ____________________________________________________________________________________ ___...
【简答题】So badly__________in the accident that he had to stay in the hospital for a month．
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