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We find that the moon is about 239,000 miles away from the earth, and that within a few thousand miles, its distance always rema
We find that the moon is about 239,000 miles away from the earth, and that within a few thousand miles, its distance always rema
admin
2009-07-28
22
问题
We find that the moon is about 239,000 miles away from the earth, and that within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing still. Its distance from the earth remains the same, but its direction continually changes. We find that it is traveling in a circle — or very nearly a circle — round the earth, going completely round once a month, or more exactly, once every days. It is our nearest neighbor in space, and like ourselves it is kept tied to the earth by the earth’s gravitational pull (地心吸力).
Except for the sun, the moon looks the biggest object in the sky. Actually it is one of the smallest, and only looks big because it is so near to us. Its diameter (直径) is only 2,160 miles, or a little more than a quarter of the diameter of the earth.
Once a month, or, more exactly, once every days, at the time we call "full moon", its whole disc (圆面) looks bright. At other times only part of it appears bright, and we always find that this is the part which faces towards the sun, while the part facing away from the sun appears dark. This shows that the moon gives no light of its own. It merely reflects the lights of the sun, like a huge mirror hung in the sky.
选项
A、a bit more than two hundred and forty thousand miles
B、a little less than two hundred and forty thousand miles
C、about two thousand one hundred and sixty miles
D、about eight thousand miles
答案
B
解析
此题题干问“月球和地球之间的距离是多少”。在原文第1段第1句话指出月球和地球之间的距离是239 000英里。因此选项B. a little less than two hundred and forty thousand miles是正确答案。
转载请注明原文地址:https://kaotiyun.com/show/xNuK777K
本试题收录于:
大学英语三级B级题库大学英语三级分类
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大学英语三级B级
大学英语三级
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