This passage is about a______. [br] Ice particles bouncing off hail falling thro

游客2024-06-15 28

问题 This passage is about a______. [br] Ice particles bouncing off hail falling through a cloud acquire______.

选项 A、a negative charge
B、no electric charge at all
C、a positive charge
D、both A and C

答案 C

解析文章第一段就谈到了这个问题，这实际上是 Scorer博士关于闪电成因的主要观点：从冰雹上反弹下来的冰粒子带正电子。

转载请注明原文地址:https://tihaiku.com/zcyy/3634938.html

相关试题推荐

随机试题

最新回复(0)

Fromthepassagewecanknowthatthestoryprobablytakesplacein______.[br]