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

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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是不及物动词，不用被动。

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【B1】[br]【B3】A、absolutelyB、actuallyC、surelyD、definitelyCactually，事实上，实际上。这道