Viruses that are inert outside living cells, but within the appropriate cells they can replicate, causing viral diseases in the

admin2022-08-16  26

问题 Viruses that are inert outside living cells, but within the appropriate cells they can replicate, causing viral diseases in the organism.

选项 A、Viruses
B、Viruses of which
C、Viruses, which
D、Despite viruses

答案A

解析 句子主干为viruses are inert outside living cells,but they can replicate,句子    中的causing…作结果状语。句意:病毒在活细胞外是惰性的,但在相应的细胞内可  以复制,引起机体的病毒性疾病。
转载请注明原文地址:https://kaotiyun.com/show/PtuO777K
0

最新回复(0)