A laser beam is used to______even the hardest substance.

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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。

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本试题收录于：英语题库成考专升本分类

英语

成考专升本

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