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【单选题】
According to The National English Curriculum Standards， the language knowledge students are required to learn consists of phonetics， vocabulary， grammar，__________.A.
function and theme
B.
culture and society
C.
literature and linguistics
D.
discourse and genre
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举一反三
【简答题】If A=-25,B=abs(A),then sqrt(B)=(_);
【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】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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