第一章测试
1.Epidemiologist means( ).
A:流行病学家 B:药理学家 C:临床医生 D:植物学家
答案:A
2.Most cruciferous vegetables had a 70 percent lower risk of ( ) cancer than those who ate the least of such vegetables.
A:gastrointestinal B:pancreatic C:breast D:colon
答案:D
3.β-carotene, concentrated in ( ) vegetables such as carrots, sweet potatoes and spinach.( ).
A:yellow B:deep green C:orange D:red
答案:ABC
4.Certain foods can block the chemicals that initiate cancer.( )
A:对 B:错
答案:A
5.Antioxidants can snuff out oxygen free radicals and can even repair some of the cellular damage that has been done. ( )
A:错 B:对
答案:B
6.Research suggests that frequent consumption of fruits and vegetables can cut the risk of lung cancer even in smokers. ( )
A:错 B:对
答案:B
7.β-carotene had an indirect toxic effect on cells taken from malignant tumors.( )
A:错 B:对
答案:A
8.According to the text, those who eat more onion and garlic are less prone to gastrointestinal cancer. ( )
A:对 B:错
答案:A
9.Garlic can not antagonize existing cancer.( )
A:错 B:对
答案:A
10.Citrus fruit an all-around cancer package because it possesses every class of natural substances. ( )
A:错 B:对
答案:B
11.Feeding animals cabbage and collard greens 羽衣甘蓝, along with a high-fat diet, reduced the incidence of mammary cancers.( )
A:错 B:对
答案:A

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