防患于未ran是哪个ran?
防患于未然(fánghuànyúwèirán)解释患：灾祸；未然：没有这样,指尚未形成.防止事故或祸害于尚未发生之前.出处《周易·既济》：“君子以思患而豫防之.《乐府诗集·君子行》：“君子防未然.”示例臣闻～者易,除患于已然者难.（明·马文升《添风宪以抚流民疏》）
举一反三
- run—ran — ran
- I unexpectedly() him on the street yesterday evening. A: ran after B: ran through C: ran to D: ran into
- He Krettner in the corridor a few minutes later. A: ran away B: ran out C: ran into D: ran through
- The speaker ________ his<br/>notes before the lecture. A: ran down B: ran into C: ran out D: ran through
- 【单选题】The speaker ________ his notes before the lecture. A. ran down B. ran into C. ran out D. ran over
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He criticized everything and everybody, and even ____ his teachers. A: ran over B: ran down C: ran against D: ran into
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I was on the motorway when my car ______ petrol. A: ran down B: ran off C: ran out of D: ran out
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I ______ one of my old classmates in the street yesterday. A: ran over B: ran into C: ran down D: ran through
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With a car waiting outside, she ( ) the letter and put it in a drawer of her table. A: ran out B: ran over C: ran for D: ran across
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Because of the currency appreciation of RMB, many people ______dollar against RMB. A: ran over B: ran on C: ran through D: ran off