九年级英语全册 Unit 6 When was it invented Section A 1(2)课件

1、Unit 6Section APeriod 1 ( 1a2d )Do you know the following inventions? When were they invented?Free Talkpaper 105 A. D. printing1041-1045It was invented compass11th Centurygunpowder9th CenturyIt was invented I think the was invented before/ after thecarcomputertelephoneTV1b Listen and match the inven

2、tions with the dates._ 1876_ 1885_ 1927_ 1971dacb in 1885 in 1971The was invented inin 1876in 1927The was invented in1.Did grandmothers family have a telephone? Yes, they did.2.Did grandmothers family have a car? Yes, they did.3.Did grandmothers family have a TV? Why? No, they didntBecause they were

3、 so expensive that they couldnt afford one.4.Did grandmothers family have a computer? Do they have one? No, they didnt. Yes, they do. Read and answer the questions 看图完成句子。1. (1885, invented) The car _ _ in 1885. 2. (around 1927, invented) The TV _ _ around 1927. wasinventedwasinvented3. (1971, inven

4、ted)The personal computer _ _ _ 1971. 4. (1876，invented) The telephone _ _ _ _. wasinventedinwasinvented in1876Make a similar conversation with your partner using the 1b as a model.Pair WorkA: When was the TV invented?B: It was invented in 1927.A: Who was it invented by?B: It was invented by Baird.T

5、: When was the telephone invented?S: It was invented in 1876.T: Who was it invented by?S: It was invented by Bell.1885Henry Ford197119761907WrightCrayBill HewlettheelscoopShe is wearing high heels.She is scooping by using the scoop.2a Listen and number the inventions in the order that you hear them.

6、1232b Listen again complete the chart below._ the style of the shoeshot ice-cream scoopseeing _shoes with lights_ really cold ice-creamshoes with special heelsWhat is it / were they used for?Inventionchangingin the darkservingRead and answer the questions1.What does Alex think of shoes with lights?

7、He thinks it is cool.2. What always happens to him at night? He always hits his toes on something on the way to the bathroom at night.3. How does the special ice-cream scoop run?It runs on electricity.4.Why are the shoes with special heels special? We can move the heels up and down.5. If you are goi

8、ng to a party, what can you do with the heels? I can raise the heels.6. If you are going out for shopping, what can you do with the heels? I can lower the heels.7. Which is Carols favorite invention? It is a special ice-cream scoop.8. What is Carol writing about for her English homework? She is writ

9、ing about interesting inventions.Make conversations using the information in 2b.A: What are they used for?B: Theyre used for seeing in the dark.Pair WorkArmadillo Breadbox犰狳型的面包盒 Lull Lamp睡眠灯COOL INVENTIONSCool InventionsErgonomic Ladder工效学的楼梯The Weight Watch Belt2d Read and answer questions.What in

10、vention are they talking about?Do they think it a great invention? Why? The zipper.Yes. Because it is used widely in our daily lives.3. Where can you see zippers? On dresses, trousers, shoes, bagsalmost everywhere.4.When was it invented ? In 1893.5.Who was it invented by?Whitcomb Judson.6.When did t

11、he zipper become popular?Around 1917.Whitcomb L. Judson(1846 1909) was anAmericanmachine salesman, mechanical engineer and inventor. He developed and invented the zipper in 1893.Read the conversation again and role-play it. change the world think of an invention my pleasure let me think I know such

12、a great invention in our daily livesdo seem to have a point think about see a website the pioneers of different inventions be listed at that time be used widely become popular 拉链是这样一个很棒的发明。The zipper is _ _ _ _.这些发明已经改变了世界。These inventions _ already _ _ _.一些小的发明被广泛的使用。Some small inventions _ _ _.搜狐是

13、我经常浏览的网站。S is the _ I often _.你认为你说的有道理吗？Do you think you _ _ _? such a great invention havechanged the world are used widelywebsite surf have a pointWhich invention are you familiar with?Talk about it with your partner.Pair Work10 Most Important Inventions throughout HistoryThe ComputerThe Internet

14、ElectricityThe WheelTelephoneThe Light BulbFlightCarPenicillinNuclear Energy1. invent v. 发明 指经过认识和实践创造出前所未有的事物。Edison invented the light bulb. 爱迪生发明了电灯泡。invention和inventor都是名词, 前者意为“发明”, 后者意为“发明家”。Language pointsdiscover, invent和find都是动词, 它们的词义相近, 但是有区别:discover意为“发现”, 指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。

15、 The lost bike was discovered at the bus stop. 丢了的自行车在公共汽车站那儿找到了。 Later I discovered that he was so kind. 后来我才发现他那么善良。知识链接invent 意为“发明”, 指发明以前不存在的东西。 Do you know who invented the computer? 你知道谁发明的电脑吗？find 意为“找到, 发现”, 指偶然发现或几乎没有困难地发现。 I found some old photos in that drawer. 我在那个抽屉里发现了一些旧照片。 1). Ediso

16、n _ the electric lamp. 2). I lost my necklace last night. I havent _ it. 3). Who _ America first? inventedfounddiscovered 4). The telephone _ in 1876. A. invented B. was invented C. was found D. was discovered【点拨】句意：电话是1876年发明的。invent “发明”，且telephone与invent 之间是动宾关系，应用被动语态。故选B。 2. be used for . 被用来 是

17、由“use sth. for sth. / doing sth.”结构转变而来, 介词for在这里表示用途或作用, 后面可以接名词、代词或动词-ing形式。This machine can be used for cutting grass. 这个机器可以被用来割草。 be used as意为“被用作，被作为使用” English is used as a foreign language in China. be used by意为“被使用” Rubbers are often used by students to correct mistakes. 知识链接English is wide

18、ly used _ many people around the world _ a second language. A. by；for B. by; as C. as；for D. for；as【点拨】句意：英语被世界各地的许多人作为第二语言广泛使用。by 意为“被；由”，用于被动语态中，后跟动作的执行者；as作介词，意为“当作”。故选B。used to do sth.意为“过去常常做某事”。 I used to smoke when I was young.use sth. to do sth.意为“使用某物来做某事”, 其被动结构为“sth. be used to do sth.”。

19、These knives are used to cut pies.知识链接Can you help me think of an invention? My pleasure.My pleasure也可说成Its a / my pleasure.或 A pleasure ，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。 Will you please help me take the books to the classroom? 请你帮我把这些书带到教室里去好吗？ My pleasure. / Its a pleasure. 愿为你效劳。 pleasure n. 愉快；高兴She too

20、k nopleasurein her work. 她觉得自己的工作毫无乐趣。I will remember this meeting withpleasure. 我会愉快地记着这次的会晤。It is apleasureto work with you. 和你一起工作真是件乐事。 at (ones) pleasure 随便You are free to come and go at your pleasure. 来去自由, 悉听尊便。 take pleasure in以某事为乐,喜欢做某事 with pleasure 愉快地, 高兴地, 没问题知识链接 4. Well, you do seem

21、to have a point you do seem to have a point 是个强调句，用“助动词do +谓语动词原形”的结构。He does look well. 他的确看起来气色很好。 You did give me a fright. 你真把我给吓了一跳。 have a point 有道理I admit (that) youhave a point. 我承认你有理。I guess youhave a pointthere. 我想你说的有道理。 5. it mentioned that the zipper was mention v. 提到；说到Dontmentionthis

22、 problem this evening. 今晚别提这个问题。Nobodymentionedthe real purpose of this meeting. 谁也没有提到这次会议的真正目的。1) mention表示“提到；提及”，是及物动词，其后接名词或代词作宾语时，无需用任何介词；另外注意不接双宾语。如： He never mentioned his girl friend to me./ He never mentioned to me that he had a girl friend. 他从未向我提及他有个女朋友。注 意2) 若后接动词，要用动名词，不能用不定式 Whenever

23、I mention playing football, he says hes too busy. 我一提起踢足球，他就说太忙。3) not to mention意为“更不用说; 还不算” He can speak French, German and Japanese, not to mention English. 他会说法语，德语和日语，更不用说英语。4) 口语中说 Dont mention it. 主要用来回答感谢，有时也用来回答道歉。如：A：Thank you very much. 多谢你了。B：Dont mention it. 不客气。A：Im sorry to have trou

24、bled you. 对不起打扰你了。B：Dont mention it. 没关系。1). (2012辽宁大连) -Thank you for taking me around your school, Daming.- _ A. Dont mentionit. B. Never mind. C. Of course not. D. No problem.2). - Sorry, Sir. I made a mistake again.- _. Practice more and you will do better.A. Never mind B. Im not sure C. Youre welcome D. Dont mention itAA根据句意和所给汉语提示, 完成下列单词的确拼写。 1. Thats the mos