当两种（）混合在一起时，明度会降低；而两种（）混合在一起时，明度会提高
A.间色；原色
B.原色；间色
C.色光；颜料
D.颜料；色光
参考答案：D
---- Hi, John! Haven’t you heard Peter was elected president?
---- ________? He is a boring man and doesn’t care about others.
A．What if
B．What’s for
C．What’s up
D．So what
诽谤
