电子课件- 英语 第二册 第三版 课件-Unit 2 lesson 3

1、Lesson One Super Typhoon MangkhutLesson Two How Light TravelsLesson Three Alexander Bells Greatest Invention123Unit 2Nature and ScienceAlexander Bells Greatest InventionNature and ScienceUnit 2Lesson three3阅读课文，通过小组讨论以及自己的思考，回答问题并填充表格：1. Where did Alexander Bell invent the telephone?2. Could you lis

2、t some Alexander Bells inventions, or other inventions you know?Alexander Bells InventionsIn ChineseIn English1电话机telephone2光话机photo phone345Alexander Graham Bell1 was born in Scotland. In 1871, he found a job in the United States. There he made the first telephone in the world.Most people know it w

3、as Bell who invented the telephone.2 But not many know about another talking device he invented just four years later, in 1880. He called the device the photo phone.n. 相片/n. 电话，电话机invent the telephone 发明电话know about another talking device 知道另一个通话装置P47-P481. Alexander Graham Bell（亚历山大格雷厄姆贝尔）（18471922

4、）：发明家、企业家。他获得了世界上第一台可用的电话机的专利权，创建了贝尔电话公司（AT&T公司的前身）。此外，他还制造了助听器，改进了爱迪生发明的留声机，并创立了英国聋哑教育促进会。2. Most people know it was Alexander Graham Bell who invented the telephone. 大多数人都知道，是亚历山大格雷厄姆贝尔发明了电话。 该句为强调句型：It is/was + 强调部分 + that/who。George, a new staff member of a company, is talking with Mrs. Bull, th

5、e manager, about his new office and work.This morning you must read those emails in the computer. n. 全体员工n. 电子邮件Listen and practice the conversation.P49-P50staff member 员工-itione.g. add ( addition ) ( 增加 )1. compose ( ) ( )2. compete ( ) ( )3. define ( ) ( )4. suppose ( ) ( )5. expose ( ) ( )从课文中和口语

6、交际中找出以下词汇的同义词或近义词，将其填在括号内的横线上。e.g. create ( invent )1. name ( )2. carry ( )3. put ( )4. thought ( )5. work ( )从课文中和口语交际中找出以下词汇的反义词，将其填在括号内的横线上。e.g. earlier ( later )1. within ( )2. thick ( )3. seldom ( )4. encourage ( )5. none ( ) know 表示“知道”“认识”“明白”，为及物动词，通常指直接知道或认识、了解某人（某物）。 know about 表示“了解”“知道的情

7、况”，通常指间接了解某人或某物。know & know about 认识；了解 invent 强调运用想象力制造出原来不存在的东西；用作广义时，还可表示“捏造”“虚构”。discover 表示“发现”，指通过实验、调查、勘探发现了原本已存在但尚未被人挖掘或认识到的事物、真理、情况。 invent & discover 发明；发现 source 表示“来源，起源”，常用搭配是 a source of。 resources 复 表示“资源”“财力”。source & resources 来源；资源 英语中有两种语态：主动语态和被动语态。主动语态表示主语是动作的执行者。被动语态表示主语是动作的承受者

8、，即行为动作的对象。 英语被动语态的构成通常是：“be + done”。但 “get + done” 也可以构成被动语态，用这种结构的句子侧重于动作的结果而不是动作本身。1. 现在进行时2. 现在完成时3. 过去进行时4. 过去完成时被动语态示例：Begin the sentence with “a bridge” : they build a bridgenowA bridge is being built (by them) now.1. Begin the sentence with “Jane”: John send Jane many bookssince last year根据示例操练本课重点语法2. Begin the sentence with “Tom”: the doctor examine Tomwhen it rained根据示例操练本课重点语法3. Begin the sentence with “the computer”: George repair the computerbefore the technician came根据示例操练本课重点语法4. Begin the sentence with “new computer”: some scientists and technologists in C