Doctors sometimes ______ old cures when modern medicine doesn’t work.A、fall onB

游客2023-11-18  25

问题 Doctors sometimes ______ old cures when modern medicine doesn’t work.

选项 A、fall on
B、fall down on
C、fall back on
D、fall in upon

答案 C

解析 题型:词汇题。fall back on意思是“借助于”,如:She has no relatives to fall back on.fall down (on)意思是“倒下,跪倒,失败,未能符合要求”。fall on意思是在什么时候发生、来临。比如:Her birthday will fall on a Friday this year.他今年的生日是在一个礼拜五。fall in upon意思是“不期而遇”。
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