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【判断题】
(2)因为心电信号很小,所以心电前置放大电路的放大倍数越大越好。( ) (A.
正确
B.
错误
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【单选题】Why did John send for Dr. White?
A.
Because the master was ill.
B.
Because the master's wife was ill.
C.
Because the master wanted to invite Dr. White for dinner.
【简答题】听问句，选择正确的答句。 ( ) 1. A. It's October 25th. B. It's December 25th. C. It's November 25th. ( ) 2. A. He likes to wear a coat. B. I like to wear gloves. C. She likes ...
【单选题】---Is Christmas____December 25 th or 26 th ? ---25 th , I think.
A.
on
B.
in
C.
at
D.
for
【单选题】既往感染乙肝，已获得特异性免疫力
A.
乙肝五项为HBsAg、HBeAg、anti-HBc阳性
B.
anti-HBs、anti-HBe、anti-HBc阳性、HBV-DNA阴性
C.
anti-HBs阳性
D.
anti-HAVIgM阴性、anti-HAVIgG阳性
E.
HBsAg、anti-HBc阳性、anti-HCV阳性
【单选题】既往感染甲型肝炎，获得了特异性免疫力
A.
乙肝五项为HBsAg、HBeAg、anti- HBc阳性
B.
anti-HBs、anti-HBe、anti-HBc阳性、HBV-DNA阴性
C.
anti-HBs阳性
D.
anti-HAV IgM阴性，anti-HAV IgG阳性
E.
HBsAg、anti-HBc阳性、anti-HCV阳性
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