2. 外语
  3. A. electromagnetic energy B. electromagnetic energy travels through space C. came from the sun D. when a change in t

A. electromagnetic energy B. electromagnetic energy travels through space C. came from the sun D. when a change in t

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问题     A. electromagnetic energy
    B. electromagnetic energy travels through space
    C. came from the sun
    D. when a change in the nucleus of an atom takes place
    E. when the sunrays are fierce
    F. chemical energy is generated
The energy stored in coal ______.
选项
答案C
解析 第四段的最后一句指出，“其他的发电机靠煤炭的燃烧驱动，但是，煤炭中的能量也来自于太阳”。C项中的“came from the sun(来自太阳)”与原句意思相符，故选C。
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