安装制动防抱死装置(ABS)的车辆，驾驶人发现汽车转向失效时，应轻踏制动踏板。
参考答案：错
实际产量比计划产量增加20%，实际产量是计划产量的______%．
Please don't stand up in class until you ________.
A．are told
B．will be told
C．are told to
D．will tell
