皮皮学，免费搜题
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搜题
【单选题】
因宿主细胞条件不合适，缺乏病毒复制所需的酶或能量等必要成分，故病毒虽可进入细胞但不能复制出完整的病毒体，此种现象称为（）。A.
顿挫感染
B.
缺陷病毒感染
C.
干扰现象
D.
DIP干扰感染现象
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举一反三
【简答题】He wrestled with the crossword clue for ages , before light finally dawned.
【单选题】Tobe believed in leaving people to themselves, so when the lesson was over and Miriam sat at console, enwrapped in her task at hand, he busied himself in another part of the store.
A.
involved in
B.
attracted by
C.
wrestled with
D.
lost in