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【单选题】
美托洛尔治疗髙血压的机制是A.
降低心肌收缩力
B.
抑制血管紧张素Ⅱ生成
C.
扩张外血管
D.
减慢心率,降低心排量
E.
抑制水钠重吸收
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举一反三
【单选题】I'm not sure about the meaning of the word. You'd better look it up in a (n) ______. [ ]
A.
letter
B.
dictionary
C.
article
【单选题】I can't say which wine is better—it's a(n)________of personal taste.
A.
matter
B.
affair
C.
event
D.
variety
【单选题】— You’d better have more physical exercise./n— _______
A.
I’d like that, but I can’t afford the time.
B.
That’s good.
C.
Really.
D.
Yes, I would.
【单选题】'Did you cheat in the exanimation?' 'Yes, but ______ it.'
A.
I'd rather not do
B.
I'd better not do
C.
I'd not rather have done
D.
I'd rather not have done
【单选题】The stronger the coffee is,______.
A.
the more I like
B.
the better I like
C.
the more better I like it
D.
the better I like it
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