Which of the following can NOT be inferred from the passage?
A.China developed advanced technology in printing long before any other country in the world.
B.More people read newspapers in English than in any other languages.
C.Japan is the country where people read more newspapers.
D.Newspapers have developed quickly in the U. S. since the beginning of the 18th century.
第1题
防止病毒血行扩散的最有效的物质是()
A.IFN
B.sIgA
C.IgG,IgA
D.IgM,IsA
E.IgM.IgG
第2题
防止病毒血行扩散的最有效的物质是
A.IFN
B.sIgA
C.IgG,IgA
D.IgM,IgA
E.IgM,IgG
第3题
防止病毒血行扩散的最有效的物质()
A.IFN
B.sIgA
C.IgG,IgA
D.IgM,IgA
E.IgM,IgG
第4题
防止病毒血行扩散的最有效物质是()
A.干扰素
B.IgG和IgA
C.IgM和IgG
D.SIgA
E.IgM和IgA
第6题
防止病毒经血液扩散最有效的是()
A.中和抗体
B.干扰素
C.CTL细胞
D.NK细胞
E.巨噬细胞
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