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- 在铀选矿后铀品位达到()%时,铀精矿的γ辐射剂量可达25mR/h以上。
- Mr. Li, can you repeat it again? I’m ____ slow to write down all the main points.
- Can Mr King spare some time for the evening party? — If he ______, he will try his best to make it.
- Do you know _______? I’m going to see him. — Sorry,I don’t know.
- Could you tell me __________?—Sorry, I don’t know.
- Mr Green asked ________.
- Is this Mr. White’s office, Mary?— Yes, _____.
- .—I can’t find Mr. Smith. Where did you last see him this morning?—It was in the hotel _______ he stayed.
- Mr. Duncan raised an unnecessary question__________-he then failed to find an answer.
- Can I speak to Mr. Wang , please ?— _______