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Vitamins are organic compounds necessary in small amounts in the diet for th
Vitamins are organic compounds necessary in small amounts in the diet for th
游客
2025-04-03
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问题
Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.
They do not provide energy, 【C1】______do they construct or build any part of the body. They are needed for【C2】______foods into energy and body maintenance. There are thirteen or more of them, and if 【C3】______is missing a deficiency disease becomes【C4】______.
Vitamins are similar because they are made of the same elements—usually carbon, hydrogen, oxygen, and【C5】______nitrogen. They are different【C6】______their elements are arranged differently, and each vitamin【C7】______one or more specific functions in the body.
【C8】______enough vitamins is essential to life, although the body has no nutritional use for 【C9】______vitamins. Many people, 【C10】______, believe in being on the "safe side" and thus take extra vitamins. However, a well balanced diet will usually meet all the body’s vitamin needs. [br] 【C8】
选项
A、Supplying
B、Getting
C、Providing
D、Furnishing
答案
B
解析
本题空格所在句子是让步状语从句的复合句,空格部分和enough vitamins构成动名词的复合结构做主句的主语。空格处填入的动名词的逻辑主语也就是后面although引导的让步状语从句中的主语,即:the body。动名词所表示的动作必须是the body发出来的,又能接enough vitamins做宾语。选项中,supplying,providing和furnishing均表示“提供,供应”,动作的发出者不是“身体”。句子表达的含义是身体需要获取维生素的营养,而不是“提供”,因此只有Getting(获取,获得)符合。故选B。
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