Unit 1 The Changing WorldTopic 3 The world has changed for the betterSectionC（共22张PPT）

Topic 3 The world has changed for the better. Section C Unit 1 The Changing World homeless people 1.Have you ever seen any homeless people? Where? 2.What do you think of the homeless people? 3.What can we do to help them? 1b Read 1a and choose the best title. A Serious Problem—Homelessness The Causes and Effects of Homelessness A Home is a Safe Place √ ever who where when how what value v.重视，珍视 n.价值 valuable adj. 有价值的 Whatever pron.无论什么，不管什么 无论 什么 怎么样 什么时候 哪里 谁 New words on purpose 故意，有意地 1.The little boy read a book in front of the door on purpose. 2. The two girls helped the old woman do some cleaning on purpose . New words Read and answer the questions. 1.What is one of the most basic human needs ? 2.Do all the people have their homes around the world ? One of the most basic human needs is a home. No, while most people around the world value their homes , there are many people in every country who are homeless . adj.基本的，基础的 n.人 Some people are h