Leptin is effective in reducing weight but it’s many years away before humans ca

游客2024-02-13  15

问题 Leptin is effective in reducing weight but it’s many years away before humans can use it. [br] Leptin, after being approved by health authorities, will be available to people in need through doctors’ prescriptions.

选项 A、Y
B、N
C、NG

答案 C

解析 由文章第一段“...it could be five to ten years...leptin is approved...for human use. Researchers must...no serious side effects”可知,人们一直在担忧leptin的副作用,而且文中并没有提到即使将来经权威部门审批之后,会如何使用leptin的问题。
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