问题
单项选择题
关于激光的英文“laser”，以下哪一项是正确的（）
A.Lightactivation by stimulation emanation of radiation
B.Luminant amplimeter by stimulation emission of radiation
C.Lightactivation by pemission of radiation
D.Luminant activation before p emission of radiation
E.Light amplification by stimulation emisssion of radiation
答案
参考答案：E
解析：主要考查学生对laser一词的英文构成及理解。