(The atmosphere) (is consisted) of certain gases (mixed together) (in) definite proportions.

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问题 (The atmosphere) (is consisted) of certain gases (mixed together) (in) definite proportions.

选项 A、The atmosphere
B、is consisted
C、mixed together
D、in

答案B

解析 consist of sth由什么构成,consist不及物动词
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