试题来源: 解析 A 解析:细节理解题。根据第一段中的 “ The answer lies in the fact that the earliest traffic signals were designed for trains, not cars.可知”,最初,交通信号灯是为火车而不是汽车的通行而设计的。故选 A。 答案:A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...
( C )10.What colours are traffic lights(红绿灯) made of? A. Red, blue and green. B. Yellow, green and pink. C. Red, yellow and green. 相关知识点: 试题来源: 解析 答案见上10.交通信号灯有三种颜色:红、黄和绿,故选C。 反馈 收藏 ...
百度试题 结果1 题目 ( C )10. What colours are traffic lights(红绿灯) made of? A. Red, blue and green. B. Yellow, green and pink. C. Red, yellow and green. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
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
A. 交通规则 B. 交通标志 C. 交通信号灯 D. 交通警察 相关知识点: 试题来源: 解析 C。“traffic lights”常见的意思是交通信号灯。选项 A“traffic rules”是交通规则;选项 B“traffic signs”是交通标志;选项 D“traffic police”是交通警察。所以选 C。 反馈 收藏 ...
A: What are these?B: Traffic lights. There is red light, yellow light and green light.A: What do they mean?B: Go at a green light. Don't go at a red light. You must stop and wait. Don't go at ayellow light. You must (必须)slow down and wait.根据短文,补全对话。A: Look,...
A. Run through red lights. B. Wait for green lights before crossing. C. Ignore traffic lights. D. Cross the street anytime. 相关知识点: 试题来源: 解析 B。“Obey traffic lights.”意思是遵守交通信号灯,就是要在绿灯亮时再过马路,B 选项正确。A 选项闯红灯是不对的;C 选项忽视交通灯也不...
A. Only show red and green lights. B. Adjust the timing according to the traffic flow. C. Do nothing special. D. Cause traffic jams. 相关知识点: 试题来源: 解析 B。解析:文中提到“There are intelligent traffic lights that can adjust the timing according to the traffic flow.”,智能交通...
百度试题 结果1 题目( ) traffic lights are there in your city? A. What B. How many C. Who相关知识点: 试题来源: 解析 A.什么;B.多少;C.谁。 你所在的城市有多少个交通灯? B.反馈 收藏