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【多选题】
下列对β受体阻断药治疗心力衰竭的药理依据的叙述正确的是(多选)A.
下调心肌的β受体
B.
可拮抗过高的交感神经活性
C.
加强心肌收缩性
D.
减慢心率，减少心肌耗氧量
E.
抑制RAAS系统
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举一反三
【单选题】Evan: That‘ s a beautiful dress you have on! Anna:__________
A.
Actually I don' t like it very much.
B.
Oh， thank you. I just got it yesterday.
C.
Yes， I think so.
D.
No， it' s not that beautiful. Yours is better.
【单选题】一台三相异步电动机工作于正向回馈制动状态,则下列正确的是
A.
P M >0 ， P m <0
B.
P M >0 ， P m >0
C.
P M <0 ， P m <0
D.
P M <0 ， P m>0
【单选题】M: That‘ s a beautiful dress you have on! W:__________
A.
Actually， I don' t like it very much.
B.
Oh， thank you. I just got it yesterday.
C.
Yes， I think so.
D.
No， it' s not that beautiful. Yours is better.
【单选题】----- What a beautiful day! ----- Yes, it’s _____ that I’d like to take a walk.
A.
too nice weather
B.
so nice weather
C.
such nice weather
D.
weather so nice
【简答题】高蛋白质食物引起胆汁分泌最多。( )
【单选题】Beihai Park is a beautiful place that many people come to visit it every day.
A.
such; so
B.
so; such
C.
such; such
D.
so; so
【单选题】It' s a beautiful watch, but I can't pay
A.
that much
B.
very much
C.
that money
D.
those much
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