If you intake enough vitamin A, you won't get lung cancer without giving up smoking.
A. Right
B. Wrong
C. Not mentioned
查看答案
Vitamin B is essential for human body.
A. Right
B. Wrong
C. Not mentioned
Stomach cancer is the most dangerous among all cancers.
A. Right
B. Wrong
C. Not mentioned
There is an apparent link between lung cancer and vitamin A.
A. Right
B. Wrong
C. Not mentioned
Major manufacturers have been using "quality circle" with undeniable success for more them
A. 100 years
B. 20 years
C. 50 years
D. 10 years
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