Generally, snakes won’t attack humans______they are threatened with danger.A、if

游客2024-01-14  21

问题 Generally, snakes won’t attack humans______they are threatened with danger.

选项 A、if
B、since
C、unless
D、while

答案 C

解析 本题考查连词辨析。A项“如果”;B项“自从”,常引导时间状语从句;C项“除非”;D项“当……时”,引导时间状语从句。根据句意,故选C。
转载请注明原文地址:https://tihaiku.com/zcyy/3362045.html
最新回复(0)