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请教lsat-8-2-9
nutrionist:Vitamins synthesized by chemists are exactly the same as vitamins that occur naturally in foods.therefor,it is a waste of money to pay extra for brands of vitamin pills that are advertised as made of higher-quality ingredients or more natural ingredients than other brands are. the nutrionist's advice is based on which one of the following assumptions? A.it is a waste of money for people to supplement their diets with vitamin polls. B.brands of vitamin pills made of natural ingredients always cost more money than brands that contain synthesized vitamins. C.all brands of vitamin polls contain some synthesized vitamins D.some producers of vitmin pills are guilty of false advertising E.there is no nonvitamin ingredient in vitamin pills whose quality makes one brand worth more money than another brand. 答案是e。b为什么不对,题干中higher-quality是指natura ingredients吗。 请指教,谢谢。l |
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