A:even if
B:whether
C:no matter
D:however
( ) A will be a frog. It's black. It can swim in the river.
已知点A(2,2)和直线l:3x+4y﹣20=0.求:
(1)过点A和直线l平行的直线方程;
(2)过点A和直线l垂直的直线方程.