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【多选题】
关于血管紧张素II的生理功能,正确的是:
A.
可增加儿茶酚胺的释放
B.
抑制压力感受性反射,使血压升高引起的心率减慢效应明显减弱
C.
强烈刺激肾上腺皮质球状带细胞合成和释放醛固酮
D.
促进血管升压素释放增加
E.
可导致交感缩血管紧张增强
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举一反三
【单选题】The main interest of travel companies dealing with travel medicine is to
A.
prevent people from falling ill.
B.
make money out of it.
C.
give advice on specific countries.
D.
get the government to pay for it.
【单选题】(D)工作面是两键沿斜面拼合后相互平行的两个窄面,靠工作面上挤压和轴与轮毂的摩擦力传递转矩。
A.
楔键
B.
平键
C.
半圆键
D.
切向键
【单选题】Which work is written by Philip Freneau?
A.
Common Sense
B.
The Wild Honey Suckle
C.
Upon a Spider Catching a Fly
D.
The Flesh and the Spirit
【简答题】在空白纸上作出交叉两直线的重影点,并用数字标识出来。比如用 1 , 1 ', 2 , 2 '。
【单选题】The main interest of travel companies dealing with travel medicine is to
A.
prevent people from falling ill.
B.
make money out of it.
C.
give advice on specific counties.
D.
get the government to pay for it.
【单选题】In recent years travel companies have succeeded in selling us  the idea that the further we go, ____   . [    ]
A.
our holiday will be better
B.
our holiday will be the better
C.
the better our holiday will be
D.
the better will our holiday
【单选题】Several tourism companies believe space travel is going to be a new profitable industry.
A.
Y
B.
N
C.
NG
【单选题】In recent years travel companies have succeeded in selling us the idea that the further we go, ________. [     ]
A.
our holiday will be better
B.
our holiday will be the better
C.
the better our holiday will be
D.
the better our holiday be
【单选题】In recent years travel companies have succeeded in selling us the idea that the further we go, ______.
A.
our holiday will be better
B.
our holiday will be the better
C.
the better our holiday will be
D.
the better will our holiday be
【单选题】How are companies dealing with having to travel more on business?
A.
By keeping travel costs as low as possible.
B.
By sending fewer staff on business trips.
C.
By using less comfortable airlines.
D.
By reducing the number of days employees spend travelling on business.
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