The first traffic signal was invented in 1868 by J.P. Knight. In 1912, the first electric traffic light was invented by Lester Wire. The modern traffic light still uses this T-shaped model with three different
How about the London Eye? The London Eye has become a place of interest in London ___81___ it was open in 2000. It is a ___82___ of the modern Britain, and it is called London’s Eiffel Tower. At first, it was ___83___ t...
Unit9 Whenwasitinvented?Period2SectionA 2a---2c electricity/ilektrisəti/n.电；电能 In moderncitieswecan’tlivehappilywithoutelectricity.知识拓展 electricity 电，名词；如Noelectricity,nomodernlife.没有电就没有现代生活。electric，形容词，电的，如electriclight；电灯；electr...
The 2007 extension of daylight saving time allowed for a before-and-after comparison of only a few weeks' time. The changes in Indiana and Australia were geographically limited. Ultimately, Hadley said, the energy question probably isn't the real reason the United States sticks with daylight sav...
Unit9 Whenwasitinvented?Period2SectionA 2a---2c electricity/ilektrisəti/n.电；电能 In moderncitieswecan’tlivehappilywithoutelectricity.知识拓展 electricity 电，名词；如Noelectricity,nomodernlife.没有电就没有现代生活。electric，形容词，电的，如electriclight；电灯；electr...
Here, a modern city is being built and enriched with passion.Here, broaden your horizon and open your heart. Welcome to Yancheng!1. What’s the main purpose of the film? A.To introduce Yancheng to the world. B.To show the sights of Yancheng. C.To explain the history of Yancheng. D...
B.The apples were thrown by the same student.C.Somebody was once hurt by thrown waste there.D.The school may find out about the problem and set new rules. 免费查看参考答案及解析 题目: When were the cars invented A.In 1885.B.In 1842.C.In 1927. 免费查看参考答案及解析 题目: How ...
My eyes were fixed on a big ant carrying a leaf. “There he goes, Mom.” She set the timer for 10 minutes.For the first time, the ant ran all the way to the gate. “Perfect!” I thought. Then, he came to a wide crack(裂缝), he tried to cross, but failed. Then he ...
【1】 They often think that their parents are out of touch with modern ways;that they are too serious and too strict with their children;and that they seldom give their children a free hand. 【2】 Parents tend to forget how they themselves felt when young. For example,young people like ...
According to her, even if drums are very common in the modern Pueblo culture, Brown found no physical proof the drums existed in the past. In the later part of the Ancestral Pueblo culture, foot drums were developed as an instrument used in communicating with deceased ancestors. Featured Tik...