Unit6-When-was-it-invented-SectionA(1a-1c)第一课时.ppt

* S1: What is this? S2: This is a hot ice- cream scoop. It runs on electricity. S1: What is it used for? S2: It is used for serving really cold ice cream. S1: Who was it invented by? S2: It was invented by Chelsea Lanmon. 2c * S1: What are these? S2: They are shoes with special heels. S1: What are they used for? S2: They are used for changing the style of the shoes. S1: Who were they invented by? S2: They were invented by Jayce Coziar and Jamie Ellsworth. 2c * 重点句子： 1.When was the car invented? It was invented in 1885. 2.When were shoes with lights invented? They were invented last year. 3.Who were they invented by? They were invented by Julie Thompson. 4.What are they used for? They’re used for seeing in the dark. * 2.It’s used for serving really cold ice cream. 【经典习题】完成句子： 邮票是用来发送信件的。 Stamps are ____ ___ ______ letters. 【要点点拨】be used for doing sth. 表示“被用于干某事”，意思与be used to do sth.相同。 如：The camera is used for taking photos. = The camera is used to take photos. used for sending * 小练笔： 1. 在中国英语作为外语来使用。 __________________________________ 2.教师用粉笔。 __________________________________ 3.毛衣是用来保暖的。 __________________________________ * 【解析】 1. English is used as a foreign language in China. 2. Chalk is used by teachers. 3.A sweater is used for keeping warm. （注意介词as,by,for的用法) * 【拓展延伸】 ◆be used as sth. 表示“被用作某物”。如：English is used as the second language in many countries. ◆be used by sb. 表示“被某人使用”，后接动作的执行者。如：These textbooks are used by students. ◆be / get used to doing sth. 表示“习惯于做某事”。如：She is used to running every morning. ◆used to do sth. 表示“过去常常做某事”。如：Miss Li used to dance after work. * 3、with用法小结 一、with表拥有某物1. Mary married a man with a lot of money . 马莉嫁给了一个有着很多钱的男人。 2. I often dream of a big house with a nice garden . 我经常梦想有一个带花园的大房子。 3. The old man lived with a little dog on the lonely island . 这个老人和一条小狗住在荒岛上。  * 二、with表用某种工具或手段 I cut the apple with a sharp knife . 我用一把锋利的刀削平果。 Tom drew the picture with a pencil . 汤母用铅笔画画。 We see with our eye