You are too quiet. How I hope you can be ___________ outgoing!
A:a little more
B:too much
C:much too
D:much less
某中学初三(1)班对本班甲、乙两名学生10次数学测验的成绩进行统计,得到两组数据,其方差分别为S2甲=0.002、S2乙=0.03,则下列判断正确的是( )
光线从空气斜射入水中,若入射角为32°,则折射角为( )