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

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

Manyoftheelectricgoodswhichareadvertisedas______themodernwomantend

Sometimes,changingourwayofthinking,______.A、theproblemsbecomesimpleran

Readingtooneselfisamodernactivitywhichwasalmostunknowntothesch

Readingtooneselfisamodernactivitywhichwasalmostunknowntothesch

Readingtooneselfisamodernactivitywhichwasalmostunknowntothesch

VisitorstoSt.PaulCathedralaresometimesastonishedastheywalkround

VisitorstoSt.PaulCathedralaresometimesastonishedastheywalkround

VisitorstoSt.PaulCathedralaresometimesastonishedastheywalkround

Weadvisedthemtotakearest,butthey______onfinishingthework.A、suggeste

Modernscientists______thattruthisnotsomethingthatweassume,butsomethi

Up_____intotheairwhentheten-secondcountdownwasover.A、therocketshotB、

【S1】[br]【S7】A、addedB、referredC、amountedD、attachedA语义衔接题。空后的ortakenawayf

[originaltext]Miriam(W)Frank(M)Now,listentoPartOneoftheconversation.W

Notonlythechildrenbutalsotheirmother(be)______playingthegameofhide

ThespaceageofficiallybeganonOctober4,1957,【C1】______theSovietUnion

（）是最大的对冲基金管理公司。A.麦格理集团 B.世邦魏理仕全球投资集团

()常被政府用作弥补赤字的主要方式。A:发行国债 B:增加税收 C:

下列皮试液1ml含量错误的是A、链霉素、2500U B、破伤风抗毒素、150U

图示外伸梁，在C、D处作用相同的集中力F，截面A的剪力和截面C的弯矩分别是：

实木地板面层铺设时，相邻板材接头位置应错开不小于300mm距离，与墙之间应留不小