2. 学历提升
  3. The atmosphere_____certain gases mixed together in definite proportions.A. compo

The atmosphere_____certain gases mixed together in definite proportions.A. compo

admin2020-12-24  45
问题 The atmosphere_____certain gases mixed together in definite proportions.
选项 A. composes of
B. is made up
C. consists of
D. makes up of
答案C
解析大气是由多种气体以一定的比例混合而成的。
转载请注明原文地址:https://ti.zuoweng.com/ti/hNB8KKKQ
相关试题推荐
随机试题