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The atmosphere ______ of certain gases mixed together in definite proportions.A、
The atmosphere ______ of certain gases mixed together in definite proportions.A、
游客
2023-07-12
46
管理
问题
The atmosphere ______ of certain gases mixed together in definite proportions.
选项
A、consists
B、comprises
C、composes
D、constitutes
答案
A
解析
近义词辨析。consist of意为“由…组成(或构成)”,表示一个整体由几个部分组成,主语是整体,of的宾语是组成部分,作此义解时该短语只有主动语态,没有被动语态,如:The United Kingdom consists of Great Britain and Northern Ireland.(联合王国包括大不列颠与北爱尔兰。)comprise意为“包括,包含,由…组成(构成)”,指整体当中包含几个部分,后面宾语多指主语的全部内容,如:The committee comprises seven persons.(委员会由七人组成。)compose意为“(若干部分)构成(整体)”,常用被动语态(be composed of),如:Water is composed of hydrogen and oxygen.(水是由氢和氧构成的。)constitute意为“组成,构成,形成”,是及物动词,表示由部分组成整体,主语是组成部分,宾语是整体,如:Seven days constitute a week.(七天构成一星期。)根据题意和搭配,应选A)。
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