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【单选题】
休克的现代概念是A.
休克是机体对剧烈的震荡或打击的反应
B.
休克是机体对外来强烈刺激的应答
C.
休克是机体对过强刺激引起的调节能力丧失
D.
休克是微循环血流不足导致的器官功能代谢障碍的一种病理过程
E.
休克是以面色苍白、四肢发冷、尿少和血压降低为特征的一种疾病
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举一反三
【单选题】The driver was very happy that his car ______ very well in this car-washing centre.
A.
cleans
B.
cleaned
C.
was cleaned
D.
is cleaned
【简答题】已知某一时期内某商品的需求函数为Q d =50-5P,供给函数为Q s =-10+5P。 (1)求均衡价格P e 和均衡数量Q e 。 (2)假定供给函数不变,由于消费者收入水平提高,使需求函数变为Q d =60-5P。求出相应的均衡价格P e 和均衡数量Q e 。 (3)假定需求函数不变,由于生产技术水平提高,使供给函数变为Q s =-5+5P。求出相应的均衡价格P e 和均衡数量Q e 。
【单选题】The policeman warned the driver _______too fast. It was very dangerous.
A.
to drive
B.
not to drive
C.
driving
D.
not driving
【判断题】The driver repeated that he should have kept in touch because he was very regretful.
A.
正确
B.
错误
【简答题】已知某一时期内某商品的需求函数为Q d =50-5P,供给函数为Q s =-10+5P。 ( 1 )求均衡价格P e ,和均衡数量Q e ,并作出几何图形 (2)假定供给函数不变,由于消费者的收入水平提高,需求函数变为Q d =60-5P求出相应的均衡价格 P e ,和均衡数量 Q e ,并作出几何图形。 (3)假定需求函数不变,由于生产技术水平提高,供给函数变为Q s =-5+5P。求出相应的均...
【简答题】work we eat lunch the can.
【简答题】The driver was very __________ (thank) to the policeman for his help.
【单选题】Since there was very heavy traffic on the main road, the driver took a ____street.
A.
wide
B.
single
C.
side
D.
near
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