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【单选题】

A.DNA-polα B.DNA-polβ
C.DNA-polγ D.DNA-polδ
E.DNA-polε

A.
急性淋巴细胞性白血病
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参考解析:
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刷刷题刷刷变学霸
举一反三

【单选题】What does the man ask the woman to do() A. Travel on business. B. Fly to New York. C. Prepare some documents. D. Have a holiday.

A.
W: Mr. Smith, this is the ticket for your flight to New York.
B.
M: Thank you. Please get all my documents ready for the trip.