Sometimes new ideas have to be tested many times before ______ .
being fully accepted
举一反三
- Sometimes new ideas have to be tested many times before ______ . A: A.accepting fully B: B.being fully accepted C: C.fully accepting D: D.fully being accepted
- A new theory ______ before it can be put into practice. A: must be tested B: be tested C: can be tested D: to be tested
- Genetically engineered crops are sometimes released into the environment before they have been _________. A: slip by undiscovered B: health effects C: adequately tested D: public relations exercise
- You will have to practice ______ times before you can do it. A: many more B: more often C: more many D: more several
- Many times, a Chinese person will refuse a gift two or times before finally accepting it.
内容
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People can _______ new ideas which nobody ever considered before .
- 1
My new glasses cost me _______ the last pair that I bought. A: three times as many as B: three times as much as C: as three times many as D: as three times much as
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Jack Ma failed many times before he successfully established Alibaba.
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The<br/>ideas were tested by experiments.
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______ so many people put of work as today. A: Before have never there been B: There have been never before C: Never before have there been D: Have there never before been