问题
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The______regarding vitamin C is unlikely to be resolved in the near future.A.deviationB.co
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Vitamin E is______.A.very popular among some peopleB.effective in memory enhancementC.very
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In a recent survey, it was found that only 24.5 percent Japanese students were fully satis
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189. What will man be like in the future—in 5,000 or even 50,000 years from now? We can only make a guess, of course, but we can be sure that he will be different from what he is today. For man is slo
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Choose whole-grain foods like brown rice more oft
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In most countries vitamin B-twelve is added to pr