What effect does excessive positive ionization have on some people? According to the passage, static electricity can be caused

admin2009-06-24  40

问题 What effect does excessive positive ionization have on some people?
According to the passage, static electricity can be caused by ______.

选项 A、using home-made electric goods.
B、wearing clothes made of natural materials.
C、walking on artificial floor coverings.
D、copying TV programmes on a computer.

答案C

解析
转载请注明原文地址:https://kaotiyun.com/show/xHHd777K
0

随机试题
最新回复(0)