Instead of being dominated by the smartphone, the writer believes that she should be the boss to make decisions.
查看答案
The writer hopes that her smartphone will get away from her life once and for all (彻底地).
A. 对
B. 错
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
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