A:How can I have
B:How would I have
C:Why should I have
D:Why must I have
《旧唐书》称:武则天“制公卿之死命,擅王者之威力”(意为诛杀公卿,独断专权)。武则天遗言无字碑,由后人评价自己的功过。史学家之所以肯定武则天主要是因为( )
先化简,再求值:x2-4x+42x-4•(x+2),其中x=5.