方程x2-4=0的解是( )。
x=±2
After looking at many new cars, I found ______ which I would accept just as suitable.
A.it
B.this
C.that
D.one
关于"肾结核"的影像,下列说法哪项不正确()
A.不规则钙化
B.肾盏破坏
C.肾盂可以无破坏
D.所有患者肾影均缩小
E.IVP示,肾盂显影浅淡