A. recorded the temperature of clouds B. was killed by a bolt of lightening C. proved that lightening can be controlled by msn D. proved that lightening and electricity have the same essential nature 参考答案:D 答案解析:[分析] 本题测试点为文章细节的掌握。参见文中倒数第二句:“于是他就证明了闪电和电是相同的。”与D相符,故选D。