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Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals,
Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals,
admin
2017-06-11
64
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.
【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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