2. 外语
  3. Doctors sometimes______old cures when modern medicine doesn’t work.

Doctors sometimes______old cures when modern medicine doesn’t work.

admin2011-04-07  47
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 该题是词汇题，考查动词短语意义辨析。短语fall on sb．／sm．表示“袭击、抓住”，如：The children fell on the food and ate it greedily．孩子们扑向食物，狼吞虎咽地吃起来。没有短语fall down on，只有fall down，意思是“不令人满意”，如：And that’s where the theory falls down．这就是该理论的不足之处。短语fall back on sb．／sth．表示“(转而)求助于”，如：I have a little money in the bank to fall back on．我银行里还有一点钱可以在需要时动用。没有短语fall in upon，只有fall in with sb．／sth．，表示“同意、赞成”，如：She fell in with my idea at once．她立即同意我的主意。因此，根据题意，选项C为最佳答案。
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