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Leptin is effective in reducing weight but it’s many years away before humans ca
Leptin is effective in reducing weight but it’s many years away before humans ca
游客
2023-07-12
66
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问题
Leptin is effective in reducing weight but it’s many years away before humans can use it. [br] If excess leptin is present, the brain signals the body to increase food intake and to become more active.
选项
A、Y
B、N
C、NG
答案
B
解析
本文第四段的倒数第二句话:Thus when leptin is low,hunger pangs increase...when leptin is high,everything reverses.当动物体内的leptin水平较低时,因饥饿引起的胃痛加剧,体温下降,新陈代谢趋缓;而leptin水平高时,情况正相反。因此本题表述的正是lepfin水平较低时的情况。
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