模块七UNIT 1 Reading.ppt

Reading strategy:understanding headings Headings appear before _____________. The evolution of video and sound devices Undoubtedly, both TV and audio devices will play an increasingly important role in our future life. What other functions would you like them to have in the future? 1 在最近几十年中 2 保持联系 3 随着时间流逝 4 远距离电视播送 5 不久以后 6 为……做贡献 7 做出重大突破 8 在20世纪20年代晚期 9使人们能够看到电视 10 卫星天线 11 遥远的地区 in the last few decades keep in touch with over time long-distance TV broadcast shortly afterwards contribute to sth. make important breakthroughs in the late 1920s make TV accessible to people satellite dishes remote areas 12 小部分的 13 从……受益 14 第一次录制声音 15 被手动上发条 16 电子元件 17 和……一起 16 音质 18 随着数字科技的发展 19 便携式存储设备 20 使…成为过去 21 与……齐步，跟上 a small percentage of benefit from sth. make the first recording be wound up by hand electrical componets along with sound quality with the development of digital technology portable storage make sth things of the past keep pace with 1. foresaw 2. drawbacks 3. constructed 4. delayed 5. percentage 6. receiver 7. Eventually 1．Advantages： (1)Meet peoples needs. (2)Improve peoples lives to some degree. (3)Make peoples lives convenient. 2．Disadvantages： (1)Radiation may be harmful to peoples health. (2)When people buy new electric or electronic devices, they throw away the old ones, which not only causes waste, but also does harm to the environment. Phrases Phrases Part D: Match the following words with the correct definitions. evolution principle accessible distribute component portable digital storage easy to carry using a system of receiving, sending or storing information in the form of number spread something over an area a law or rule that is behind something the slow development of something one of several parts that make up something the space where things or information can be kept easy to reach, obtain or use ___ ___ ___ ___ ___ ___ ___ ___ e d h c f a b g Part E However, his system was very primitive and had many drawback