车辆在运用时一个重要的要求就是提高车辆抗蛇行运动的（），这对于车辆提速运行有着至关重要的意义。
参考答案：临界速度
对考生文件夹下WORD.DOC文档中的文字进行编辑，排版和保存，具体要求如下：
将文中后7行文字转换为一个7行2列的表格；设置表格居中，表格列宽为4厘米，行高0.6厘米，表格中所有文字中部居中。
用括号内所给词的适当形式填空。
1. Mary happened to meet one of her old friends and invited him ____ (go) to her new house.
2. They are getting ____ (marry) next month, so they are very excited now.
3. You will feel unhappy when someone ____ (smile) at you in a strange place.
4. Mr. Smith seems to be ____ (please) with the new student called John.
5. The lights are off. I think there was nobody ____ (leave).
