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1、Unit 3 Inventors and inventionsPart IV Using Language一、学习目标1. 通过阅读文章了解电话名家亚历山大.格雷厄姆.贝尔的故事；2. 掌握文中重点词汇和重难点句。二、自主预习Step 1: Lead-inDo you know Alexander Graham Bell? Do you know any of his inventions that are still in use today?Step 2: SkimmingSkim the passage and fill in the blanks about some basic in
2、formation about Alexander Graham Bell.Born: _ Birth place: _ nationality: _His family moved to _ when he was young. His mother was almost _Interest: _Inventions: _、_ and so on. Most famous invention: _Step 3: Scanning: Scan the passage and choose the best answers1.In the year _ Bell made his last in
3、vention.A. 1920 B. 1921 C. 1922 D. 19232. Modern bridge designs benefit a lot from _.A. triangles B. tetrahedron shape C. kites D. flying machines3. His most famous saying suggested he was_.A. thinking hard B. to rest C. of few words D. thinking too much4.What does “leave the beaten track” mean?A. i
4、nsist on doing the same thing B. look at things or try in a new wayC. stick to the original method三、基础知识I.重点词组和短语（仔细阅读课文，你会发现他们的哟！ ）1.几乎全聋了 2.聋人教育事业 3.促使、导致某人做某事 4.把嘴唇放到上 5.踏平的路；一贯走的路；惯例 6.寻求困境 7.一定会做某事 8.跟踪下去 9.一些值得思考的东西 10.盘踞着你的头脑 11.富有活力的精神 12.开始着手做某事_ 13.多路电报 14.一系列的_ 15.敲击出 16.以某一特定的顺序_17.一次；每次
5、 18.同时_19.试验_ 20.与.连接在一起_ 21.被熏过的玻璃 22.对耳朵说话 23.灵机一动 24.被沿着导线传送 25.完全懂得；充分意识到 26.是个闲不住的人 27.使自己对感兴趣 28.试着做某事 29.某物被证明是无价之宝 30.最长与.联系起来 31.永不停息的探索家 II. 重点句子1. 【教材原句】 Leave the beaten track occasionally and dive into the woods. Every time you do you will be certain to find something that you have neve
6、r seen before.【研读思考】请认真研读下列句子，猜出句中“dive into”的意思(1) He dived into the history of China.(2) He dived into his pockets and fished out one dollar.(3) The boy dived into the river from the bridge.【词义归纳】(1) dive into : _ _ _(2) 进入险境；寻求困境_ (3)离开惯例；不走寻常路_【结构归纳】every / each time 意为“ ”, 此短语相当于连接词, 引导时间状语从句。能
7、相当于连词引导时间状语从句的名词短语还有：第一次 、下次 、上次 、最后一次_一.就 、 、 、 、 、2. 【教材原句】 It was this exploring around problems and his dynamic spirit that led to his most famous invention-the telephone in 1876 The patent was given in 1876, but it was not until five days later that Bell sent his first telephone message to his assistant, Watson.【结构归纳】以上两个句子都包含有一个 句型。句 强调的是_ 语。句 是强调not until引导的时间状语从句，其基本结构是_.【操练巩固】(1) It wasnt until nearly a month later _ I received the managers reply.(2) Did Jack come back early last night? Yes, it was not yet eight oclock _he
