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What is the most important factor for a rocket to escape from the Earth? As there is always the Earth’s gravitational(地心引力的)pul
What is the most important factor for a rocket to escape from the Earth? As there is always the Earth’s gravitational(地心引力的)pul
admin
2009-06-15
116
问题
What is the most important factor for a rocket to escape from the Earth?
As there is always the Earth’s gravitational(地心引力的)pull, people ______.
选项
A、accept it without questioning it
B、never notice its presence
C、hardly think about how to use it
D、often try to escape from it
答案
A
解析
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本试题收录于:
职称英语卫生类基础题库职称英语分类
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