题目内容：
11. The atmosphere _______ certain gases mixed together in definite proportions.(本题1.5分)
A、 composes of
B、 is made up
C、 consists of
D、 makes up of
参考答案：
选择题：11. The atmosphere _______ certain gases mixed tog
- 题目分类：佳木斯大学-工商管理-大学英语1(专升本)
- 题目类型：选择题
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11. The atmosphere _______ certain gases mixed together in definite proportions.(本题1.5分)
A、 composes of
B、 is made up
C、 consists of
D、 makes up of