“其论遐远,然称述多,而切事少,有不编次”,说明皇甫谧认为《内经》一书:()
A.内容太高深
B.内容太复杂
C.内容较空洞
D.内容较重复
参考答案:C
下列从左到右的变形是分解因式的是( )
A.(x-4)(x+4)=x2-16
B.x2-y2+2=(x+y)(x-y)+2
C.2ab+2ac=2a(b+c)
D.(x-1)(x-2)=(x-2)(x-1)
18, 5, 16, 5, 14, 5, ( ), ( )
A.13, 5 B.12, 5 C.11, 5 D.10, 5