2. 外语
  3. A、When the sun is very active and explosions occur. B、When it is less than 1,500 miles away from the earth. C、When bad weather o

A、When the sun is very active and explosions occur. B、When it is less than 1,500 miles away from the earth. C、When bad weather o

admin2021-09-17  59
问题
选项 A、When the sun is very active and explosions occur.
B、When it is less than 1,500 miles away from the earth.
C、When bad weather occurs more frequently.
D、When there is less forest on the earth.
答案A
解析
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