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百度试题 结果1 题目A traffic light has three colors: red, yellow and ___. A. black B. white C. green D. blue 相关知识点: 试题来源: 解析 C 答案:C 解析:交通灯有红、黄、绿三种颜色,不是黑、白、蓝,所以C正确。反馈 收藏
The traffic light has three colors: red, yellow and ___. A. blue B. green C. white D. black 相关知识点: 试题来源: 解析 B。解析:交通信号灯有红、黄、绿三种颜色。选项A蓝色不是交通信号灯颜色。选项C白色不是交通信号灯颜色。选项D黑色不是交通信号灯颜色。反馈...
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A red light was also the easiest color to see from a distance. Train drivers could see the red "stop" light ahead and had enough time to slow down and stop their trains. A green light was used to mean "take care" and a white light meant "go". However, there were many dangerous...
horizontal bars of white light. 3-state traffic light. 4-state lights warn traffic that it will shortly be free to move. In most countries, the sequence is red (stop), green (go), amber (prepare to stop). In the UK, Hong Kong (but not mainland China), Germany and Poland among ...
黑色和黄色红绿灯(black and yellow traffic light) 资源编号 :41346823 格式:jpg 文件体积 :3m 分辨率 :5045 x 3363 爱给网提供海量的高清图库资源素材免费下载, 本次作品为jpg 格式的黑色和黄色红绿灯(black and yellow traffic light), 本站编号41346823, 该高清图库素材大小为3m, 分辨率为5045 x 3363, 更多...
Color Yellow, Red, Blue, Green, White or Customized Illumination 4 High Intensity Super Bright LEDs Power Solar Powered, 3.2 Volt 600 mAh Diameter 90mm Height 165/155mm Light Photos: Features: 1.The light can be constant and flash. 2.High visi...
Further action may include blacklisting the plate number and putting consideration for the subsequent references. An information supplier is another critical factor in the transportation management system. The whole system may malfunction when a particular party avoids sharing the information. The proposed...