The writer hopes that her smartphone will get away from her life once and for all (彻底地).
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The writer holds that her relationship with her smartphone should be a give and take, a two-way traffic.
A. 对
B. 错
关于直线的特点描述错误的是
A. 路线短捷
B. 线形简单
C. 视距良好
D. 越长越好
《规范》规定圆曲线的最大半径不宜超过()m
A. 5000
B. 2000
C. 15000
D. 10000
为抵消车辆在曲线路段上行驶时所产生的离心力,在该路段横断面上设置的外侧高于内侧的单向横坡,称为( )
A. 路拱
B. 横坡
C. 加宽
D. 超高
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