Some crystals emit visible light when ______ by ionizing particles.

admin2011-01-26  37

问题 Some crystals emit visible light when ______ by ionizing particles.

选项 A、burned
B、struck
C、excited
D、inspired

答案B

解析 句意: 一些水晶在被电离粒子撞击后会发出可见光。strike撞击,碰撞。burn灼烧。excite激发,引起。inspire鼓舞,激励。
转载请注明原文地址:https://jikaoti.com/ti/YyXYFFFM
0

最新回复(0)