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【单选题】
心衰时,下列哪项代偿反应主要由肾脏引起A.
心肌肥大
B.
心率加快
C.
心肌收缩性增强
D.
红细胞增多
E.
细胞利用氧能力增强
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举一反三
【单选题】Students in China who volunteer to serve in the western region after graduation may get good scholarship.
A.
Y
B.
N
C.
NG
【单选题】Up to now, they _______enough money for students who can’t afford to go to school.
A.
are raising
B.
have been raising
C.
have raised
D.
had raised
【单选题】The WTO cannot live up to its name _____ it does not include a country that is home to one fifth of mankind .
A.
as long as
B.
while
C.
if
D.
even though
【简答题】The WTO cannot live up to its name ______ it does not include a country that is home to one fifth of mankind. A. as long as B. while C. if D. even though
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