問題詳情

17.tInfluenza viruses are
(A)tdouble-stranded DNA viruses.
(B)t single-stranded DNA viruses.
(C)tdouble-stranded RNA viruses.
(D)tsingle-stranded RNA viruses.

參考答案

答案:D

統計:A:0,B:0,C:0,D:1,E:0

難度:計算中