德尔菲法是一种主观、定性的方法。( )
参考答案：对
—Could I finish watching this show, Mom?
—Sorry, you can’t. I think two hours of TV _______ enough for you.
A. are B. is C. am
耳硬化症病理过程的主要特征有（）。
A.2个
B.3个
C.4个
D.5个
E.6个
