unit 2 Making a difference Understanding ideas课件-2023-2024学年高中英语外研版（2019）必修第三册

Unit 2 Making a difference Understanding ideas by Ada Understanding ideas 1 Watch the video to learn about Africa. Think about what is the biggest environmental problem African people face now? Drought. Droughts leads to water shortage. Leading in Now tick the solutions that you think are most effective to supply Africa with fresh water. 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 2 Look at the map and talk about water problems in Africa. Understanding ideas Leading in 收集和净化雨水 资助水利工程 建造水井和水泵 回收利用废水 安装净水设施 开发节水新技术 Ryan raised $2,000 to build a well near a primary school in Uganda, and later set up a foundation to attract more support to provide clean, safe water for people in Africa. 1 Read the passage and find out what Ryan did to help solve the problem of water shortage in Africa. Understanding ideas The Well that Changed the World 2 Choose the best explanation of the title and give your reasons. 1 The well built by Ryan solved the problem of worldwide water shortage. 2 The more wells you dig, the better the world will be. 3 The well built by Ryan encouraged more people to help make the world a better place. Understanding ideas The Well that Changed the World 3 Complete Ryan’s story with expressions from the passage. Understanding ideas The Well that Changed the World 1 Ryan could get clean drinking water within ten steps, but some African children had to1 . So Ryan decided to help. 2 Ryan cleaned windows and did gardening, and reached2 . But when he3 , he was told it cost $2,000 to build a well. walk ten kilometres to get water every day his first target of $70 gave the money to a charity 2 Look at the pictures of the three people and read the quotations. Understanding ideas 3 R