前轮定位对车辆的正常使用起到重要作用,其作用中不包括()
A、保持稳定直线行驶
B、转向轻便
C、缩小转弯半径
D、减少轮胎磨损
参考答案:C
若|x+y-5|+(xy-3)2=0,则x2+y2的值为( )
A.19
B.31
C.27
D.23
_____ hardly made Mike pay any attention to _____ his mistakes.
A.Scolding; correcting
B.Being scolded; correct
C.Being scolded; correcting
D.Having been scolded; correct