问题
单项选择题 A型题
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.Luminanta mplimeter by stimulation emission of radiation
C.Light activation by p emission 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。