(1). We must pay attention _ the traffic lights.A. forB. toC. of(2). What _ interesting book! I like it very much!A. isB. anC. a 相关知识点: 试题来源: 解析 (1).b attention to,故答案为 B.(2).b 句子翻译为 “多么有趣的一本书!我非常喜欢它.”由 what 引导的感叹句,后面...
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 ...
These are traffic signs . 这些是交通标志。 The weather shows no signs of getting better . 天气没有好转的迹象。 He made a sign for me to follow him . 他打了个手势,要我跟着他去。 Shops often have signs outside showing what the shops sell . 商店常在外面挂个牌子标明所出售的东西。 15 ....
The technical names for the night time displays areaurora borealis (northern lights)for the northern hemisphere andaurora australis(southern lights) for the southern hemisphere. In this article, the term northern lights will predominantly be used, but the same science applies to the southern lights ...
Finally, LEDs are also usually much easier to install. Functions of LED LEDs offer a variety of uses in many industries. Among the most common applications for LEDs is as household lighting; however, LEDs may also be used for lighting in other industries, such as traffic lights, industrial ...
A. How important traffic lights are.B. Which colour has the longest wavelength.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 ACBCD 1. A在汽车交通信号灯出现之前,交通信号主要用于火车。早期的交通信号系统是为了...
解析 二1. Yes, there are. 2. We should stop when the traffic light is red. /We shouldn't play soccer on the road. 3. I should stop and wait. 4. It means"you can't ride your bike here". 5. It has three colors. /There are three. ...
B. Wait for the woman to call him again. C. Mail the woman some information. D. Wait for the woman to pick up a form. Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. ...
No! Some Brits are now saying that traffic lights are to blame for much of the congestion(交通拥挤). They suggest that traffic lights be removed at busy roads. They believe people are a better judge of when it’s safe to go, not a traffic light programmed by an absent regulator.A ...
Adaptive driving beam headlights have recently been approved for cars produced in the United States. Find out what they are and how you can benefit from them.