在平面直角坐标系中,正方形ABCD的中心坐标为(3,2),其一边AB所在直线的方程为x-y+1=0,则边AB的对边CD所在直线的方程为 。
x-y-3=0
It was________ his car after drinking that resulted in the terrible accident doing much damage to his car.
A.due to his driving
B.his losing control of
C.because he drove
D.to lose his control of
因患者是女性,对美观要求较高,不愿意暴露金属,故在A4B3上放置卡环最佳的是
A.正型卡环
B.杆式卡环
C.指状卡环
D.间隙卡环
E.对半卡环圈卡尖牙卡环