答案:A
3.The underlined word “regulate” in the third paragraph means________.
A.punish
B.remove
C.control
D.manage
解析:词义猜测题。由上下文和本句句意得知,政府需要“规范”补品市场。
答案:C
4.The problem with dietary supplement may be in that________.
A.the supplements can't be tested like drugs
B.the supplements may contain something useless
C.the supplements may be polluted seriously
D.there is no clear evidence that the supplement does work well
解析:推理判断题。从文章最后一段可以看出,美国的补药存在测试、药效、纯度等很多问题。
答案:D
5.Which one of the following is NOT right according to this passage?
A.Scientists think herbs, roots can be used to cure disease.
B.People believe dietary supplements contains vitamins and minerals.
C.It is right that the dietary supplements are always safe.
D.Dietary supplements are harmful to your health.
解析:正误判断题。人们普遍认为,以草本为主的中药或补品对人体没有什么害处,但是从作者的观点来看,这种看法是错误的。
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