九年級英語全冊 Unit 9 When was it invented課件 人教新目標版

Section A Period 1Words and expressionsv.發(fā)明；創(chuàng)造發(fā)明；創(chuàng)造n. 計算器計算器用來做用來做v.用勺舀用勺舀n.勺子；球形勺；長柄勺勺子；球形勺；長柄勺 adj. 可調整的可調整的 n.（鞋襪等的）后跟；足跟（鞋襪等的）后跟；足跟n.電池電池v.操作；作業(yè)操作；作業(yè)invent calculatorbe used forscoopadjustableheelbatteryoperateWords and expressions電池供電的電池供電的n. 拖鞋拖鞋v.加熱；使變熱加熱；使變熱 n. 電燈泡；電燈電燈泡；電燈 電燈泡電燈泡n.微波微波v.微波爐微波爐battery- operatedslipperheatbulblight bulbmicrowavemicrowave ovenMuseumInvention MuseumGuessing: What is it?Guessing: What is it?Microwave ovenIt is used for cooking and heating food(加熱加熱)It is used for _.talking with people(talk with people)What is it used for?telephoneIt is used for _.(study)studyingWhat is it used for?computerWhat is it used for?It is used for counting.calculator(count)What are they used for?They are used for giving light.light bulbs(give light)What is/are used for? Its/Theyre used forlight bulbsWhen were the light bulbs invented? I think they were invented in1879.18761885192719711976 When was the car invented? It was invented in 1885.WHAT ORDER DO YOU THINK THEY WERE INVENTED? NUMBER THEM1512345Four great inventions in ancient China: Paper-making(造紙術）造紙術） Compass（指南針）（指南針） Printing（印刷術）（印刷術） Gunpowder（火藥）（火藥）Group work: What When Who Be used forPrinting Tang Dynasty 朝代朝代Chinese Making copiesLISTEN AND MATCH THE INVENTIONS WITH THE DATES.abceEXPLANATION年份的讀法：兩位在一起讀。年份的讀法：兩位在一起讀。eg. 1976 1900 2000 Read the following years1745 1305246 nineteen seventy-sixnineteen hundredtwo thousandseventeen forty-fivethirteen and fivetwo hundred and forty-sixTapescriptAlice: Life must have been difficult when you were a kid.Woman: Oh, not really. Why do you say that? Alice: Well, you didnt have many modern inventions. Like, you probably didnt have a telephone, right?Woman: Of course we did! How old do you think I am? the telephone was invented in 1876.Alice: How about cars? I bet cars werent invented yet.Woman: Sure they were. Cars were invented in 1885. My family had a car. I think you need to take a history class, Alice.Alice: Ha, ha! Well ,did you have a TV?Woman: No, We didnt. The TV was invented around 1927, I think. Some friends of mine had one. But in those days, TVs were really expensive, and we couldnt afford one.Alice: And I bet you didnt have calculators and computers and stuff. Thats something I do know. We learned in school that hand-held calculators were invented in 1971 and personal computers were invented in 1976. Woman: You are right. I didnt have those things when I was young. But I do now!Sample dialogues:A: When was the telephone invented?B: I think it was invented in 1876.A: When was the car invented?B: I think it was invented in 1930. I think it was invented after the telephone.1c: Pair workC: I dont think so. I think it was invented in 1873, so it was invented before the telephone.D: I dont agree. I think it was invented in 1885 and it was invented after the telephone.alarm clock Its an annoying invention.Because it wakes me up when Im sleeping. I think computer is the most helpful invention. Because it helpsme search the information that I need. high heelsadjustable heelsadjustable 可調整的可調整的ice cream scoop heat 加熱加熱scoopslippersa batterybatteriesoperate 操作操作battery-operated slippersheated ice cream scoopshoes with adjustable heels電池供電電池供電的拖鞋的拖鞋加熱的加熱的冰激凌勺冰激凌勺可調節(jié)可調節(jié)后跟的鞋后跟的鞋Who Who werewere they they invented invented by?by?What What are are they they used forused for? ?adjustable 可調整的可調整的operate 操作操作 heat 加熱加熱ListeningListen and number the inventions in the order that you hear.2a2a312InventionWho was it/were they invented by?What is is/are they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated slippers Jayce Coziar and Jamie Ellsworth seeing in the darkheated ice cream scoopJulie Thompsonchanging the style of the shoesBoy: What are those?Girl: Theyre battery-operated slippers.Boy: What are they used for?Girl: Theyre used for seeing in the dark.Boy: Oh, thats cool! Who were they invented by?Girl: Julie Thompson. And look at this heated ice cream scoop.Boy: I know what its for! Its used for scooping out really cold ice cream. TapescriptGirl: Right. It was invented by Chelsea Lanmon. Boy: My favorite are those shoes with adjustable heels. You know- you can move the heels up and down. They were invented by Jayce Coziar and Jamie Ellsworth.Girl: And what are they used for? Boy: Well, you can change the style of your shoes. You can make the shoes go from casual to dressy.shoes with adjustable heelsWhat are they?Who were they invented by?Jayce Coziar and Jamie Ellsworthchanging the style of the shoes.What are they used for?Practice:battery-operated slippersJulie Thompsonseeing in the darkWhat are they?Who were they invented by?What are they used for?heated ice cream scoopChelsea Lanmonscooping cold ice creamWhat is it?Who was it invented by?What is it used for? Try to be an inventor!Homework: Describe one of your inventionsAnd then write it down.