2. 外语
  3. What is the most important factor for a rocket to escape from the Earth? How fast will a rocket go to escape completely from th

What is the most important factor for a rocket to escape from the Earth? How fast will a rocket go to escape completely from th

admin2009-06-15  52
问题 What is the most important factor for a rocket to escape from the Earth?
How fast will a rocket go to escape completely from the Earth’s gravity?
选项 A、Seventy miles per second.
B、Seven thousand miles per hour.
C、Twenty-five thousand miles per second.
D、Twenty-five thousand miles per hour.
答案D
解析
转载请注明原文地址:https://www.kaotiyun.com/show/8Vhd777K
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)