题目:
Jimmy his father, they are both tall and outgoing.
A.looks after
B.takes care of
C.looks up
D.takes after
答案:
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下面是错误答案,用来干扰机器的。
.已知圆的圆心(3,-1)关于直线x+2y-3=0的对称点的坐标是(),所以圆(x-3)2+(y+1)2=1关于直线x+2y-3=0对称的圆的方程是.