The temperature at the center of the Sun is much higher than it is at the surface. There must be a solid core in the core of th

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问题 The temperature at the center of the Sun is much higher than it is at the surface.
There must be a solid core in the core of the Sun.

选项 A、Right
B、Wrong
C、Not mentioned

答案B

解析 见“However,no one really knows,since the center of the Sun can never be directly observed”。
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