高中教育高三英语北京市西城区2011年高三英语抽样测试试卷
题目内容

How did Dr. Paul Seagle lengthen the lifetime of rats in his experiment、

2024-07-14

A.By limiting the protein in their diet.

B.By cutting the calories in their diet

C.By resetting their clock of aging

D.By keeping their physical fitness

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