Unit 2 Understanding ideas 课件-2022-2023学年高一英语外研版（2019）必修第三册

Book3 Unit2 Making a difference 1.To learn to talk about water problems in Africa, and give some effective solutions. 2.To read Ryan’s story and find out what he did to help solve the problem. 3.To learn to describe an event with a timeline. 4.To learn to summarize someone’s personal qualities from what he/she has done. 5.To learn from Ryan and be helpful to others. Pre-reading What is the problem shown in the video? Water problems in Africa How to solve the problems? Which solutions do you think are effective? collect and purify rainwater fund water projects build wells and pumps recycle waste water set up facilities to purify water develop new water conservation technologies 节约用水 净化水 抽水机 设备 What can we do to help them? -- The well that changed the world Activity 2 Listen and read the passage and answer the questions. What is the type of the text? Exposition B. Narration C. Argumentation 2. What way does the writer tell the story? A. Time order B. Space order C. Logical order At first➞ after several months➞ at last in Uganda➞ Later➞ Now Process (what did he do?) $70 $2000 a well cleaned windows; did gardening. ask for help; a friend of Ryan's mother helped him. foundation encourage more people to help to build more wells. At first After several months At last Later 3. Match the main idea with each paragraph. Para.1　　 A．Ryan was inspired and decided to help. Para.2 B．Ryan got helps and realized his dream at last. Para.3 C．Ryan set up a fundation and helped more people. Para.4 D．Ryan visited the well in Uganda he donated. Para.5 E．The kind attitude changed Ryan’s whole life. Para.6 F．Ryan’s first try ended up in failure. While-reading Ryan visited the well in Uganda 4.Which is the best explanation of the title? The well built by Ryan solved the problem of worldwide water shortage. B. The more wells you dig, the better the world will be. C. The well built b