2. 外语
  3. A、weight is a fixed quality of an object B、they are far away from the centre of the earth C、of the earth’s strong attraction for

A、weight is a fixed quality of an object B、they are far away from the centre of the earth C、of the earth’s strong attraction for

admin2015-05-21  75
问题
选项 A、weight is a fixed quality of an object
B、they are far away from the centre of the earth
C、of the earth’s strong attraction for them
D、they are not taken away from the surface of the earth
答案C
解析 从文章中的第二段“Au objects have a natural attraction for a11 other obiects；this is called gravitational attraction…．”可知，物体之所以有重量，是因为物体与物体之间存在着吸引力，这种吸引力是来自地球的引力的。故正确的答案为C。
转载请注明原文地址:https://kaotiyun.com/show/GCud777K
本试题收录于： 公共英语二级笔试题库公共英语（PETS）分类
0

公共英语二级笔试

公共英语（PETS）

相关试题推荐
随机试题
最新回复(0)