A:y=﹣3x+2
B:y=2x+1
C:y=2x2+1
D:y=﹣ 1x
It seems that the old man for something over there.
关于电场,下列说法中不正确的是( )
右侧是一幅题为“俾斯麦牌香肠”的漫画,它讽喻了俾斯麦的( )