问答题

N- 亚硝基化合物污染食物引起的危害主要有、

答案：致癌作用,致畸作用,致突变作用

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Human beings draw close to one another by their common nature, but habits and customs keep them apart.（）

答案：正确

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Vitmin E is______.very populrmong some peopleB．effective in memory enhncementC．veryVitmin

E is______.very populrmong some people B．effective in memory enhncement C．very helpful to the elderlyctions D．destructive ingingnd cncersA．very popular among some peopleB．effective in memory enhancementC．very helpful to the elderly actionsD．destructive in aging and cancers