人教版（2019）选择性必修第三册 Unit 3 Environmental Protection Listening and speaking-学习任务单

学习任务单
课程基本信息
学科 高中英语 年级 高二 学期 春季
课题 Unit 3 Using Language （1）Listening and speaking
学习目标
1. 学生通过听力前的讨论，掌握air pollution相关话题的词汇。 2. 学生通过正误判断题听力练习，训练学生准确获取细节信息的能力。 3. 学生通过听力技能训练，提高学生概括信息的能力。
课前学习任务
1.通过查阅资料，了解有关air pollution的知识及当前的现状。 2.通过词典查阅air pollution相关话题的词汇。
课上学习任务
【学习任务一】 Listen to an interview with an air pollution expert and decide whether the statements are true (T) or false (F). 1. The expression “smog” originated in Britain and means a combination of “smoke” and “fog”. 2. Smog became a severe problem in Britain because people at that time burnt lots of fossil fuels. 3. The worst smog in British history happened in London in 1942. 4. The Great Smog of London claimed 5,000 lives. 5. Later, the UK government ordered people not to burn wood in their homes. 【学习任务二】 Listen again and fill in the blanks. Hostess: Good morning, listeners. Air pollution is a serious problem, with urban populations particularly at risk from smog. Ben Drake is an expert on air pollution, and he is joining us today to talk about this issue. Ben, where does the word “smog" come from Ben Drake: “Smog” comes from a combination of the words “smoke” and “fog”. It originated in Britain________________ , when smog was a severe problem. Hostess:Why was it so bad then Ben Drake:Well, Britain was one of ________and factories and homes used lots of coal. When burnt, the coal produced harmful emissions which created lots of smog. In London, they also called the smog a “pea soup” because it was as thick as soup. Hostess:That sounds terrible! What problems did it cause Ben Drake: Smog caused many health issues and killed many people. The worst case happened in London in 1952. Over a few days when the smog was particularly bad, 4,000 deaths were recorded. It was necessary to_____. The UK government ordered people ___________ and forced factories to_____. Hostess:But smog is still an important issue in many places. What can be done about it Ben Drake: Smog is harmful to everyone, especially to children, old people, and those with heart or lung problems. We have to___________ and_________for everyone’s health and well being. We should _____________ and we need to use _______.We have the ______, but we must use and develop it. Hostess: Yes. Let's hope we can make some big changes. Thanks, Ben. Ben Drake:Thank you. 【学习任务三】 Listen again and take notes on what the expert said. Then summarize the information you got from the interview. Ben Drake, an expert on air pollution, is being interviewed on the radio. He said that smog was a severe problem _______________century in Britain. At that time, Britain was experiencing a boom in ___________. Factories and homes________________, which created smog. He also mentioned the heavy smog in London _______________________________________in 1952.Later the UK government restricted ______________in homes and forced factories to_________________________________ . As smog is harmful to everyone, the expert advised us to_________________________________, use ________________________ , and further develop _______________. 【学习任务四】 Work in groups. Discuss the following questions. 1.Have you experienced smog where you live or do you know any other cities that have suffered from smog (Outside London.) 2.What do you think are the major causes of smog in China 3.What measures have the government and citizens taken to help address the problem