Ethan Sims made his subjectsA.battle their genetic inheritance.B.increase their weight.C.s
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Ethan Sims made his subjects
A.battle their genetic inheritance.
B.increase their weight.
C.suffer from hunger.
D.lower their Weight.
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正确答案:B
解析:文章的第四段讲的是研究人员如何设法让瘦子增加体重。Ethan Sims从犯人中招募志愿者,设法让他们增加体重(Etham Sims got prisoners to volunteer to gain weight)。
