Inmyopinion,theyshoulddosomethingtorewardtheirmost_(produce)employees
Itwas________ofyounottodisturbuswhileweweresleeping
用自然光和线偏振光构成的一束混合光垂直照射在一偏振片上,以光的传播方向为轴旋转偏振片时,发现透射光强的最大值为最小值的3倍,则入射光中,自然光强与线偏振光强之比I自然:I偏振=()
Peopletodayarehighlyconcernedaboutthequalityoftheairthey___(breath).
Somestudentsfromaskingquestionsinclass.()