A:keep away from
B:keep away with
C:get away from
D:get away with
—________. If time permits, I may go to Shanghai with my friends.
在测电阻的实验中,实验的器材有:干电池3节,电流表、电压表各1个,开关2个,滑动变阻器1只,待测电阻2个,导线若干.
如图,若将△ABC绕点C顺时针旋转90°后得到△A'B'C',则A点的对应点A'的坐标是 ( )