The temperature at the center of the Sun is much higher than it is at the surface. The Sun’s atmosphere only exists in the firs

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问题 The temperature at the center of the Sun is much higher than it is at the surface.
The Sun’s atmosphere only exists in the first three zones.

选项 A、Right
B、Wrong
C、Not mentioned

答案B

解析 文章中提及“it is hard to tell where the atmosphere ends and the main body of the Sun begins”,可知不能固定认为前三层就是气体层。
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