百度试题 结果1 题目What were traffic signals for before traffic lights for cars? A. Trains B. Boats. C. Planes D. Bicycles 相关知识点: 试题来源: 解析 A. Trains B. Boats. C. Planes D. Bicycles 反馈 收藏
C.What red, yellow and green can be used for.D.Why traffic lights are red, yellow and green. 相关知识点: 试题来源: 解析 26.B 27.C 28.B 29.C 30.D 26. B 最早的交通信号灯用于铁路,因此答案为B。 27. C 最早的交通信号灯中,白色表示通行,因此答案为C。 28. B 红色在远处可见,因此被...
根据“This sign means you are coming to a crosswalk, car drivers and bikers must stop to allow people in the crosswalk to cross the street.”可知,这个标志意味着你来到人行横道,汽车司机和骑自行车的人必须停下来,让在人行横道的人们过马路。C项“一个人走在人行横道的交通标志”与之对应,故选C。
What are homing signals? A. Locating signals which are transmitted by mobile units in distress or by survival craft. B. Transmission of navigational warnings, weather warnings and urgent messages. C. Ship to ship radio traffic regarding the safety of navigation. D. Traffic to support the search...
A. More sensors are offered by the companies. B. More special roads are needed by motorists. C. The whole project is more economical to operate. D. The whole society is crazier about the new cars. 相关知识点: 试题来源: 解析 B 细节理解题。从文章第一句so government involvement is needed...
根据第一段“If you will be cycling, you willneed to know what these traffic signs and signals mean."可知,文章主要是写给骑自行车的人的,故选C。2.细节理解题。根据第二段“If there is a bike lane, you arerequired to use it.”可知,如果有自行车道,骑自行车的人必须走自行车道,故选A。3.细节...
Eventually, a time will come when signals will ask the cars where they are going and change traffic plans accordingly. Traffic signals will improve over time, there is no doubt about that, and they will continue to provide safer and faster commutes for vehicles. However, it will still all ...
If you will be cycling, you will need to know what these traffic signs and signals mean. A sign like this one means that there is a bike lane. If there is a bike lane, you are required to use it. If there is not a bike lane, you should ride with traffic as far to the right...