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问题 单项选择题 A型题

食物中的黄曲霉素B含量与下列肿瘤的发病率有直接关系的是（）

A.胃癌

B.乳腺癌

C.肠癌

D.白血病

E.原发性肝癌

答案

参考答案：E

解析：食物中的硝酸盐进入体内后可转化成致癌物亚硝酸盐；黄曲霉素是诱发肿瘤（特别是肝癌）的一大"元凶"。

问答题

Directions: Water is probably most important for life, but we are going to face a shortage of water.
There has been a discussion recently on this issue in a newspaper. Write an essay to the newspaper to express your views.
Your essay should make full use of the following statistics and should cover these points:
(1) the current situation of water in China;
(2) the cause of the problem;
(3) your suggestions of solution.
You should write about 200 words.
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单项选择题 A1/A2型题

养生中的"养"不包括的是（）

A.保养

B.调养

C.滋养

D.补养

E.护养
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