有包膜的病毒侵入宿主细胞的方式是（）
A.胞饮
B.裂解细胞膜
C.吞噬
D.膜融合
E.直接穿入
参考答案：D
A．(A) The unanswered questions during the lectures.
B．(B) The discussion with the serious professors.
C．(C) The results of his final examinations.
D．(D) The low marks he had scored during the term.
社会网络
