“African Americans,who don’t produce as much of the vitamin because of their skin colour,could also benefit significantly from a higher intake,” the authors said.
【语篇导读】研究表明维生素D可以降低患癌症的几率。本文介绍了这一研究,并且告诉了读者获取维生素D的方法及标准。
1.Why are people advised to take more Vitamin D?
A.It is nutritious.
B.It can’t harm people’s health.
C.It can lower cancer risk.
D.It is not taken enough every day.
答案:C
解析:细节理解题。根据文章第一句中的“...take more vitamin D to lower risk of cancer”可知,多吃维生素D可以降低患癌几率。故选C项。
2.Which of the following cannot help people get more Vitamin D?
A.Have some sunshine.
B.Have more meat.
C.Have more fortified cheeses.
D.Have a vitamin supplement.
答案:B
解析:细节理解题。根据第二段中的“Vitamin D is found in milk,as well as in some fortified orange juice,yogurt and cheeses”和“People might want to consider a vitamin supplement to raise their intake to 1 000 IUs per day”可知,C项和D项的陈述正确;根据第三段可知,摄入更多的维生素D对于那些生活在美国北部地区的人们来说,显得尤其重要,因为那里的人们因日晒少而获取的维生素D量都比较少,A项的陈述正确。文章中并没有提到肉,故选B项。
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