九年级英语全册unit6whenwasitinventedsectiona1a2d新版人教新目标版.pptxVIP

Unit 6 When was it invented?Section A（1a-2d）人教九年级英语课前预习When were they invented?What is it called?bikelight bulbmicrowave oven alarm clock课前预习A: When was the telephone invented?B: Well, I think it was invented in ….1885187619271971课前预习A: When was the laptop invented?B: Well, I think it was invented in ….1985198619821981课前预习A: When was the camera invented?B: Well, I think it was invented in ….1835183718421839Practice1a Look at the things below. In what orders do you think they were invented? Number them [1-4]Practice1b. Listen and match the inventions with the years.______ 1876______ 1885______ 1927______ 1971dacbPractice2a.Listen and number the inventions in the order.23_______ ice cream scoop runs on electricity______Shoes with special heels1_______ shoes with lightsPractice2b. Listen again and complete the chart below .InventionWhat is it/are they used for?shoes with special heels_____ the style of the shoesshoes with lightsseeing ___________hot ice cream scoop______ really cold ice creamchangingin the darkserving课文解析1. They are used for … 他们被用来…… be used for doing sth.表示“被用来做某事”。与be used to do sth. 同义。表示用途、目的。 例： This computer is used to control all the machines. 这台电脑是用来控制所有机器的。 Do you know what this tool is used for? 你知道这个工具是用来做什么的?课文解析2. Think about how often it’s used in our daily lives. 想想在我们的日常生活中会多么频繁地使用它。 think about 表示“考虑，想起”。 例： He is thinking about travelling in the summer holidays. 他正在考虑暑假旅游的事。 She was thinking about her childhood days. 她正回想她的童年时期。知识拓展【拓展有关think的短语】 （1）think of 指“考虑, 记忆, 记起” 例： You think of everything! 你全都想到了。 I can’t think of his name at the moment. 我一时想不起他的名字。知识拓展（2）think sth. over指“仔细想, 审慎思考, 作进一步考虑”。例： Please think over what I said. 请仔细考虑我说的话。 I want to think it over. 我想仔细考虑一下这件事。知识拓展（3）think sth. out 指“想通, 想出, 熟思”。例： He thought out a new idea. 他想出了一个新主意。 That wants thinking out. 那件事需要仔细考虑。课文解析3. Well, you do seem to have a point… 嗯,看来你说的确实有点道理… have a point 有道理例： You have a point. we ’d better do some e