A laser beam is used to______even the hardest substance.

admin2017-07-18 64

问题 A laser beam is used to______even the hardest substance.

选项 A、pass through
B、repair
C、light up
D、identify

答案A

解析本句的意思是：激光术可用来穿透最坚硬的物质。动词词义辨析题：pass through通(穿)过；repair修理；light up照亮；identify认出，鉴定。

转载请注明原文地址:https://kaotiyun.com/show/23iC777K

英语

相关试题推荐

随机试题

最新回复(0)