World's first traffic lights were used in Detroit, the USA, in 1919. The first traffic lights in Britain were used in Wolverhampton in 1928. However.they didn't come to London till 1932.First Traffic Policewomen Policewomen appeared for traffic control duties for the first time in Paris in...
world's first traffic lights were used in Detroit,the USA, in 1919. The first traffic lights in Britain were used in Wolverhampton in 1928. However, they didn't come to London until 1932.First Traffic Policemen Policemen appeared for traffic control duties for the first time in Paris in ...
and language. this similarity was strong enough that it could be used to predict whether two people were already friends or not. the relationship probably goes two ways. we are drawn to people who think like us. we ...
④From the 3rd century BC, the sky lantern(灯笼)was known in China. Many people believe that it was invented by Zhuge Liang in the war. Some say he wrote a message on a sky lantern for help, while others believe sky lanterns were ...
What were you thinking about while he was talking to you? I don't like music playing while I am working. 4. used with 'why' When has another use which is not related to time. You can add a clause beginning with when to a question which begins with why, as a way of expressing su...
(D)When we were little kids, we knew about traffic lights. The color red means “stop",the color green means “go". And the color yellow means "slow down" or tells that you have to be careful. But why are these colors used for traffic lights? Why couldn't they be colors like blu...
Why couldn't they be colors like blue, brown or orange? _1Well, it's important to know that before there were traffic lights for cars, there were traffic signals(信号) for trains. At first, railway companies(公司) used red to mean "stop",white to mean "go" and green to tell ...
I’m ___ for her inspiring philosophy (哲学) of life, which reminds me of when we were two silly girls ___ the unknown of our new lives with hope and love.When I look out from my window, I can see the little hill with its trees. I think of those ___ as my childhood friends...
The lights on the buttons had gone out. It soon dawned on me that we were trapped. An icy fear crept up my spine. Mrs Lim was hysterical (歇斯底里). “We will never get out!” she cried with her face ...
79. When the storm ___( sudden )came, my friends and I were walking home from school. 80. I don’t know him well. I’ve only met him ___.(two) B) 选词填空(5分) 根据语境,从方框中选择给当的单词填空。 built over since