whenwasitinvented教案1

1、初中英语集体备课单元备课年 级九年级单元名称第一单元单元课题When was it invented?备课人单元分析重点词汇和短语style; pleasure, daily; pioneer; list; mention; nearly; boil; smell; doubt; fridge; lock; earthquake; sudden; biscuit; cookie; instrument; sour; Canadian; divide; purpose; basket; hero.短语：by accident; take place; without doubt; by mist

2、ake; divideinto; look up to; the Olympics all of a sudden重点语法1、 被动语态2、 能听懂、理解运用被动语态表达的问题和句子3、 能用被动语态谈论发明的历史,能读懂用被动语态表达的介绍发明相关的文章功能话题1、会使用以下基本句子：When was the car invented? It was inverted in 1885Who were they invented by? They were inverted byWhat are they used for? They are used for seeing in the da

3、rk2、本单元要是围绕着“Inventions”这个话题，通过熟悉我们周围经常使用发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯；学习并掌握被动语态的有关知识.课时分配6个课时，Section A和Section B个3个课时。围绕着本单元的教学目标，设计一些贴近学生实际的教学任务，让学生谈论身边的发明如电话、电脑、汽车、茶叶、篮球以及一些当代发明的看法；让学生根据所学知识，自己进行创新设计等等。课时计划：建议本单元用五课时来完成：第一课时：Section A:1a,1b,1c,2a,2b,2c第二课时：Section A:2d;3a,3b,3c第三课时：Gram

4、mar focus:4a,4b,4c第四课时：Section B:1a1e第五课时：2a;2b reading第六课时 2c3b和self-check 九年级 课 时 教 案年级九年级上册单元第一单元备课人课题When was it invented?课时Period 1教学内容Section A 1a-2c范 围p1p2教学过程Step 1 A contest: Guess who is he (she)? Teacher tells a story of a person and asks students to guess who he/she is.He was from Americ

5、a.He was one of the greatest inventors in the world.He was clever but he was in School for only 3 months.His mother taught him to read and write.He built his own chemical lab when he was a boy.His first invention was the automatic telegraph repeater(电报自动转发器) . He has many inventions in his life and

6、some inventions have changed the world.2. Talking about: The four greatest inventions in China.Teacher show some pictures of the four greatest inventions in China and talk about them with students. Step 2 1. Learn some new words and expressions.2. Group work: Section A 1a. Ask students number the in

7、ventions according the order they were invented.3. Grammar: The passive voice. (1)The uses of the passive voice. (2)The structure of the passive voice. (3)How to change into the passive voice. 1.Listening practice 1b. Listen and match the inventions with the dates.2. Pair work 1c. Talk about the inv

8、entions in 1b like this:A: When was the telephone invented?B: I think it was invented in 1876.Step 3 2. Listening practice2a. Listen and number the inventions in the order the Ss hear them. Languages points: “be used for”Eg: Telephone is used for talking with people.2b. Listen and match the inventio

9、ns with their inventor and uses.2c: pair work: Role play conversations using the information in 2b. 1. Look through the grammar focus.2. Go over the whole lessons.1. Copy new words and listening materials.2. Write a passage to introduce an invention.3. Make up dialogues.eg:When was it invented? It w

10、as invented in Step 4 Read and remember.Step 5Homework1. 背诵并听写词汇heelmention。2. 将2b的发明按2c问答形式写出。3. 预习2d并朗读3遍。教学反思课 时 教 案年级九年级上册单元第一单元备课人课题When was it invented?课时Period 2教学内容Section A 2a-3c范 围P23教学过程Step 1 Warming-up1. Greetings.2. revision:Show some pictures of inventions and talk about them.A: What

11、is it in English?B: ItsA: When was it invented?B: It was inventedA: What is it used for?B: It is used forStep 2 1. Learn new words:useful, annoying, daily life, zipper, website, pioneer, pleasure.2. learn 2d.Role-play the conversationLet the Ss read the conversation and role play it.Key sentence:1.

12、the subject for my school project is . 2. Is it really such a great invention? 3. You do seem to have a point. 4.The pioneers of different inventions were listed there. 5. It mentioned that the zipper was invented by.Let the Ss read in pairs and act in front of the class.Step 3 3a. learn the passage

13、 An Accidental InventionFirst let the Ss read the para and match the main idea with each para. Key phrases in para 1:1. It is said that 据说2. drink water over an open fire 在户外烧水3. remain there for some time 在那里停留了一段时间4. in this way就这样Q：How was tea invented？When was tea fist drunk?Key phrases in para

14、21. the saint of tea 茶圣2. more than 4,000 years later四千多年后Who is called “the saint of tea”?What is Chajing about?Key phrases in para31. It is believed that据认为2. not until直到才3. take place发生4. without doubt毫无疑问Q: When was tea brought to other countries?Step 4 3cComplete the sentence with the correct f

15、orms of the verbs in the box.Keys:1. invented 2. drunk 3. produced 4. brought 5. traded 注意被动语态的使用。找几个同学翻译成汉语。重点短语：1. by accident偶然 2. drop into hot water落入水中3. during the 6th and 7th century在6、7世纪Exercise：1、句型转换。（1）She was seen to come out of the library by him.(变为主动语态)He out of the library.（2）When

16、are trees often planted?(变为主动主态)When people often ?（3）The League founded in Guang zhou in 1992.(就画线部分提问) the League ?（4）Did the students wear the school clothes a lot?(变为被动语态)the school clothes a lot?（5）Kate took good care of the baby yesterday evening.(变为被动语态)The baby well by Kate yesterday evening

17、.（6）His aunt bought him a bicycle.(变为被动语态)A bicycle him by his aunt.2、汉译英。（1）计算机是何时发明的？ （2）谁发明了计算机？ （3）计算机是用来做什么？ （4）你认为什么是最有用的发明？ （5）它能够给人们更多时间工作和玩。 Step 5Homework：1. A组同学根据译文背诵3a，并抄写重点短语2遍。2. B组同学读课文5遍并抄写重点短语2遍。教学反思（此处可以是备课时的问题分析）课 时 教 案年级九年级单元第一单元备课人课题When was it invented?课时Period 3教学内容Section A

18、4a-4c Grammar范 围P4教学过程Step 1 Revision检查3a的背诵和朗读（也可在早自习）用屏幕检查重点短语的掌握1.偶然 2. 在户外烧水 3. 产生好闻的味道 4. 据认为 5. 不到一百年后 6. 西方国家 7. 发生 8. 毫无疑问 9. 落入热水中Step 2 Grammar FocusFirst let the Ss read by themselves, then read together.讲解主动和被动语态 动词：be+动词的过去分词 +by +主语，时态在be动词上体现一般现在时态： is,are +过去分词一般过去时态： was, were+过去分词注意：1.主动语态的主语在被动语态中用by+宾格 2.动词在被动语态中用be +过去分词Step 3 4a Rewrite the sentences using the passive voiceKeys: 1(略)2. My camera was stolen by somebody from my hotel room.3. Where were these photos taken?4. We were advised not to go out alone.5. The book was translated into different lan