读我国塔里木盆地荒漠化发展地区分布示意图（阴影部分表示荒漠化发展地区），回答下列各题。

    This is Zhu Xiaogang's day. Every day he gets up at six in the morning from Monday to Friday．He has breakfast at home．Then he goes to school at 6:35．He reads English from 7:10 to 7:30．He has four classes in the morning．He has lunch at school at 12:00．In the afternoon, he has three classes .He starts his lesson at 2:30. In the evening he does his homework．There is too much homework. He goes to bed at 11:30 every day．He doesn' t get enough （足够的）sleep. He feels tired (累的).

信息归纳：

Zhu Xiaogang's Day.

下列能量的转化过程中，由化学能转化为电能的是（   ）