未分类题

It' s too late for people aged 0 to try to change his or her cholesterol level
C.NG

A.Y
B.N

【参考答案】

B
解析:这是关于开始尝试降低胆固醇水平的年龄的表述,可定位于第九段。根据第九段第二句It is never t......

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