新通外语专修学校 教学中心文件-E级文件
Code:Shinyway-TD- (试行)
: .
浙 江 新 通 外 语 专 修 学 校 雅 思 入 学 测 试
ZheJiang Shinyway Language Institute Students Placement Test(60 minutes)
Reading
You are advised to spend about 20 minutes on Questions 1-14 which are based on Reading Passage 1.
Early Telecommunications Devices
Although it is hardly used anymore, the telegraph is familiar to most people . This early telecommunications device is credited, as any school student knows, to Samuel Morse, who , in 1844, made the first long-distance electronic communication via his invention, the Morse telegraph. What is not so commonly known is that Morse’s was not the only telegraph nor he the only such inventor at this time. A rival system, developed by William Cooke and Wheatstone, was patented in England in 1845 and was subsequently adopted for use by British rail companies to enable speedy communication between rail stations.
However , the Cooke-Wheatstone telegraph, which used six wires and a fragile receiver requiring five magnetic needles, proved to be awkward to use, difficult to transport and expensive to build . Morse’s version used one wire and a receiver of a simpler and stronger design. This is , no doubt, why it became the favored telegraph in many parts of the world, especially the United States, which buil
雅思测试题 来自淘豆网m.daumloan.com转载请标明出处.