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【多选题】
血管紧张素II的作用是A.
促进醛固酮的释放
B.
使容量血管收缩
C.
使全身微动脉收缩
D.
加强缩血管中枢的活动
E.
加强心交感中枢的活动
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举一反三
【单选题】According to the passage, foreign language students who do not communicate with native speakers will NOT______.
A.
learn very much about the foreign society
B.
take advantage of available language
C.
have to worry about making mistakes
D.
learn about the history of the foreign language
【单选题】According to paragraph 2，which of the following decreasessince the mid-1980s?
A.
Federal spending in R&D．
B.
Private spending in R&D．
C.
Federal spending in R&D as a share of GDP．
D.
Gross spending in R&D as a share of GDP．
【单选题】According to the passage, foreign language students who do not communicate with native speakers will NOT ______.
A.
learn very much about the foreign society
B.
learn about the history of the foreign language
C.
have to worry about making mistakes
D.
take advantage of available language
【单选题】According to the author, there was a trend in the U.S. for the young people______.
A.
to speak Standard English
B.
to speak English without class distinction
C.
to speak English with class distinction
D.
to speak English with grammar mistakes
【单选题】According to Paragraph 3, which of the following statements is true?
A.
Teenagers should spend more time learning to drive
B.
Driving is a skill too complicated for teenagers to learn
C.
Restriction should be imposed on teenagers applying to take driving lessons
D.
The licensing authorities are partly responsible for teenagers' driving accidents
【单选题】According to the professor, what is the latest change of sport?
A.
It no longer attracts spectators because they have more ways of entertainment.
B.
It competes with other leisure activities rather than itself.
C.
More and more people are willing to spend their money on sports.
D.
Athletes are becoming more difficult to manage.
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