B. needed no help from police officers. C. was special because it had a “caution” light. D. was very different from the ones we use today. 相关知识点: 试题来源: 解析 1. C 2. A 3. C 【分析】这是一篇说明文。短文介绍了交通灯的发明人Garrett Morgan以及他是如何发明的交通灯的。
The word "invent" comes from a Latin word which means "to find." Garrett Morgan, an African-American, was one such inventor. His first job was repairing machines in a factory. By accident, he had invented the hair straightener. He sold his products and then continued with his career as...
Police officers made simple "stop / go" signals at busycrossroads, but cars, bicycles and walkers stillrushed into the crossroads at different speedsand many crashed into each other. One day he saw a traffic accident between a car and abicycle at a busy crossroads. he realized ,the problem...
Police officers made simple “stop / go” signals at busy crossroads, but cars, bicycles and walkers still rushed into the crossroads at different speeds and many crashed into each other. One day he saw a traffic accident between a car and a bicycle at a busy crossroads. he realized ,the...
但您可以通过 latinh word 编写 翻译结果4复制译文编辑译文朗读译文返回顶部 但你可以写的字latinh 翻译结果5复制译文编辑译文朗读译文返回顶部 但您能由latinh词写 相关内容 a目前的世界人口与1800年相比已经增长到那时候的六倍多,这个数字已接近65亿! The present world population compared with 1800 already grow...
On the Champs-Elysees, cordoned off by police for celebrations, supporters climbed atop bus stations and kiosks, also setting off smoke bombs and yelling:"We are the French." In the Latin Quarter, spontaneous processions erupted from bars and pubs and set off through the narrow streets singing...
Similarly, OpenStreetMap (OSM) vector datasets63 were regularly used to integrate the VMAP0 settlement dataset and account for land-use types, building sites, and locations of points of interest that may be strongly correlated with population presence (e.g., health clinics, schools, and police ...
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The group issued a 1,400-word comunique saying that the militaries and police of Latin American countries, often with extensive training by the United States, are used by governments "to keep their inhabitants prisoner." "The police minimize the risk that the people exercise their honorable righ...
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