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【单选题】
诊断禽流感的金标准是( )。A.
实验室检查血清中的IgG抗体
B.
实验室检查血清中的IgM抗体
C.
流感病毒的分离
D.
PCR检测病毒核酸
E.
检测禽流感病毒的NP抗原
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【单选题】Which type is not correct for corrugated carton packing?
A.
Fourth wall corrugated
B.
Triple wall corrugated
C.
Double wall corrugated
D.
Single wall corrugated
【单选题】_____ are good friends. [ ]
A.
You, I and he
B.
I, he and you
C.
You, he and I
D.
He, you and I
【简答题】When you are ill, you must be unhappy because your body becomes hot, and there are pains all over. You don’t want to work. You stay in bed, feeling terrible. What makes you ill? They are germs. Germs ...
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【单选题】_____ are good friends. [ ]
A.
You, I and he
B.
I, he and you
C.
You, he and I
D.
He, you and I
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