译林版高中英语选修7学案（江苏省专用）：M7U1 Reading.doc

m7u1 reading learning aims: 1. 知识目标：1）、to develop students reading interest and enhance their reading abilities.2）、to gain some information about the electrical and electronic devices and improve reading skills.2. 能力目标：1）、to gain information about the history, the current situation and the future development of tv and sound devices. 2）、to find out how to quickly obtain information by understanding heading一、前置性补偿 fast reading（read the text quickly and answer the following questions）1. who developed the system used for most early tv broadcasts?_2. who made the first recording of a human voice?_3. what were developed by the late 1960s?_二、新知探究i. true or false (c1 of p36)ii. task-based reading（read the text and fill in each blank with a proper word）the evolution of video and sound devicestelevisionearly historyin 1925, the first public tv broadcasts were made in the usa. in 1928, the first long-distance tv broadcast was made. many people made (1)_ to the development of tv.the years between 1928 and 1951 (2)_ the development of color tv.the modern agein 1962, satellites were used to broadcast tv.people who live far away from cities have (3)_ to tv signals with the help of satellite dishes.sound and videoearly history of sound recordersin 1877, edison first (4)_ a human voice.emile berliner invented a record player using discs as (5)_ to tubes.sound and video recordersin 1928, the first tape recorders were made in germany.in the early 1950s, tape recorders began using plastic tape instead of (6)_ or paper tape.sound and video go digitalin 1982, the first cds were made (7)_.in 1993, the vcd was born, two years (8)_ which the dvd was invented. the futurenowadays sound and video can be stored on a pc, on the internet, or using some form of (9)_ storage.technology is changing fast, and its future is (10)_ our imagination.iii. reading comprehension1. when and where was the first long-distance tv broadcast made? a. in 1925 in the usa. b. in 1926 in the uk. c. in 1928 in the uk. d. in 1928 between the usa and the uk. 2. who might be the inventor of the first tv? a. vladimir zworykin from russia. b. philo farnsworth in the usa. c. john logie baird from the uk d. it remains uncertain. 3. what is the writers attitude toward the development of the technology in the future? a. negative b. positive c. indifferentd. neutral 4. how is the passage organized _. a. by paragraphs b. in chronological order c. by concepts d. by sub-topics 三、形成性检测vi. study the text carefully and complete the following sentences (one word in each blank)1. 很多背景不同的人对电视的发展做出了贡献。many different people _ _ the development of tv. 2. 最早的留声机必须手摇上发条，而且只能播放两分钟长的录音。 the first record players had to be _ _ by hand and only played records _ were two minutes long.3. 随着数字技术的发展，声音和视频现在可以储存在个人电脑上、互联网上，或者使用某种形式的便携式存储设备储存。 _ _ _ of digital technology, sound and video can now be stored on a pc, on the internet, or using some form of portable storage.4. 技术变革得太快,大多数人难以跟上。technology is now changing faster _ most people can _ _ _. vii. fill in each blank with a proper word and then enjoy the following sentences.1. it _ _ _ (直到才) 1938 _ the first color tv programme was broadcast.2. they also make tv _ _ (可以接近的) people _ _ _ _ (远离) from cities, and satellite dishes can often be seen _ (分布) throughout the countryside and remote areas3. however, most people still _ _ (从受益)satellite tv, _ local tv companies broadcast the signals _ they get from satellite receivers