The atmosphere ______ certain gases mixed together in definite proportion.A、cons

游客2024-02-21 20

问题 The atmosphere ______ certain gases mixed together in definite proportion.

选项 A、consists of
B、consists in
C、insists on
D、persists in

答案 A

解析本题考查动词短语辨析。选择中，consist of=be made up of或be composed of由…组成；consist in=lie in在于；insist on=persist in：坚持，执意。本句的意思为：“大气层由多种气体混合组成，它们各占一定比率”。故A符合题意。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3470154.html

相关试题推荐

随机试题

最新回复(0)

Toenablethesteelindustrytomoveoutofitspresenttroubles,certainte