第一章 单元测试

1、 问题:Epidemiologist means（ ）.
选项：
A:药理学家
B:流行病学家
C:临床医生
D:植物学家
答案: 【
流行病学家
】

2、 问题:Most cruciferous vegetables had a 70 percent lower risk of （ ） cancer than those who ate the least of such vegetables.
选项：
A:breast
B:colon
C:pancreatic
D:gastrointestinal
答案: 【
colon
】

3、 问题:β-carotene, concentrated in ( ) vegetables such as carrots, sweet potatoes and spinach.（ ）.
选项：
A:deep green
B:yellow
C:orange
D:red
答案: 【
deep green
yellow
orange
】

4、 问题:Certain foods can block the chemicals that initiate cancer.（ ）
选项：
A:对
B:错
答案: 【
对
】

5、 问题:Antioxidants can snuff out oxygen free radicals and can even repair some of the cellular damage that has been done. （ ）
选项：
A:对
B:错
答案: 【
对
】

6、 问题:Research suggests that frequent consumption of fruits and vegetables can cut the risk of lung cancer even in smokers. （ ）
选项：
A:对
B:错
答案: 【
对
】

7、 问题:β-carotene had an indirect toxic effect on cells taken from malignant tumors.（ ）
选项：
A:对
B:错
答案: 【
错
】

8、 问题:According to the text, those who eat more onion and garlic are less prone to gastrointestinal cancer. （ ）
选项：
A:对
B:错
答案: 【
对
】

9、 问题:Garlic can not antagonize existing cancer.（ ）
选项：
A:对
B:错
答案: 【
错
】

10、 问题:Citrus fruit an all-around cancer package because it possesses every class of natural substances. （ ）
选项：
A:对
B:错
答案: 【
对
】

11、 问题:Feeding animals cabbage and collard greens 羽衣甘蓝, along with a high-fat diet, reduced the incidence of mammary cancers.（ ）
选项：
A:对
B:错
答案: 【
错
】

第二章 单元测试

1、 问题:The responsibility of drug abuse rests with （ ）.
选项：
A:patients
B:government
C:nurse
D:doctors
答案: 【
patients
doctors
】

2、 问题:Faced with many penicillin-resistant infections, doctors may opt to prescribe （ ）
选项：
A:a more powerful drug
B:a broad-spectrum antibiotic
C:a narrow-spectrum antibiotic
D:nothing
答案: 【
a more powerful drug
a broad-spectrum antibiotic
】

3、 问题:If only enough medicine is taken to kill the most susceptible germs, the hardy handful may survive to grow a new colony; this new breed of bacteria will be more resistant to the medication.（ ）
选项：
A:对
B:错
答案: 【
对
】

4、 问题:Penicillin drugs, which cured nearly all bacterial urinary-tract infections several decades ago, are now much less effective against them.（ ）
选项：
A:对
B:错
答案: 【
对
】

5、 问题:Taking antibiotics when you don’t need them won’t do you any good, and it can do harm. （ ）
选项：
A:对
B:错
答案: 【
对
】

6、 问题:More than half of all antibiotic use in the United States is unnecessary or inappropriate.（ ）
选项：
A:对
B:错
答案: 【
对
】

7、 问题:We still need variations of existing antibiotics to protect us from resistance over the long term.（ ）
选项：
A:对
B:错
答案: 【
错
】

8、 问题:By affecting more kinds of bacteria, the narrow-spectrum drugs simply offer more opportunities for resistant mutations to develop.（ ）
选项：
A:对
B:错
答案: 【
错
】

9、 问题:It is the responsibility of doctors to cause public health crisis due to the abuse of prescription drugs.（ ）
选项：
A:对
B:错
答案: 【
错
】

第三章 单元测试

1、 问题:Morphine is the major （ ） of opium.
选项：
A:flavone
B:volatile oil
C:glycosides
D:alkaloid
答案: 【
alkaloid
】

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