2. 外语
  3. There are 365 days in a year. How many hours are there in a day? We have days and nights because of _____of the earth.

There are 365 days in a year. How many hours are there in a day? We have days and nights because of _____of the earth.

admin2009-08-17  41
问题 There are 365 days in a year. How many hours are there in a day?
We have days and nights because of _____of the earth.
选项
答案C
解析 根据第五行“A place is moved from day into night and from night into day over and over by the spinning of the earth．”可知是地球的自转导致了日夜交替，故选C。
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