2. 外语
  3. A New finding about the upper atmosphere B Stratosphere C Ionosphere D The composition of the permanent gases in the atmosph

A New finding about the upper atmosphere B Stratosphere C Ionosphere D The composition of the permanent gases in the atmosph

admin2009-06-15  103
问题 A  New finding about the upper atmosphere
B  Stratosphere
C  Ionosphere
D  The composition of the permanent gases in the atmosphere.
E  The suspension of dust
F  Tropophere
A   at constant rate
B   in a few years
C   an the weight of the atmosphere
D   within the troposphere
E   oxygen and nitrogen
F   it consists of electrically charged particles called irons which from sun
选项
答案E
解析
转载请注明原文地址:https://www.kaotiyun.com/show/33hd777K
本试题收录于： 职称英语理工类基础题库职称英语分类
0

职称英语理工类基础

职称英语

相关试题推荐
随机试题
最新回复(0)