Topic 3 The world has changed for the better. Section C Unit 1 The Changing World • Review some useful expressions and key words .• Learn about the causes and effects of homelessness. Listen to Ia and list the reasons for the homelessness. 1._______________________________2._______________________________3._______________________________4._______________________________They do not earn enough money .They do not have a job. They have a problem with drugs .They have a mental illness. 1b Read 1a and choose the best title.A. A Serious Problem—HomelessnessB. The Causes and Effects of HomelessnessC. A Home is a Safe Place √√ 1c Read 1a again and complete the table. Cause of short-time homelessnessCause of homelessness Effect of homelessness1)_________ 2)_________1)__________2)__________3)__________4)__________1)__________2)__________3)__________moving from one place to another not able to find a homenot earn enough moneynot have a job a problem with drugsa mental illnesswork very hard to live can not raise their childrenmust steal food just to eat 1d Listen to 1a again and answer the questions. 1. What does the phrase “on purpose” mean according to the context? 2. What does the word “support” mean according to the context?3. Have governments done enough to help the homeless people? What else can we do to help them? 故意，有意地支持 , 养活No, the government needs to do more.
