Unit3EnvironmentalProtectionSectionCUsingLanguage（教学课件）-高中英语人教版（2019）选择性必修第三册

Unit 3 Environmental Protection MENU Leading-in While-class After-class Part.1 Leading-in Leading in Look at the picture. What place do you think it might be？ Do you think it is beautiful？How do you describe the picture？ Did you know the Li River had been once polluted？ Leading in Leading in Part.2 While-class While-class 1 What were some of the negative effects on the Li River as a result of the growth in tourism? Many of the tourists frequently threw garbage into the river. Kit Itches on board were using lots of oil, which was often thrown into the water. Water pollution levels increased, with more household and commercial waste ending up in the river. More chemicals were used to increase crop production, leading to severe water quality issues and causing a decrease in the number of fish species. While-class 2 What measures have been taken to improve the Li River's water quality? Construct waste water treatment facilities; improve the collection and transport of household waste; close or move dozens of polluting enterprises; set up strict regulations regarding further industrial development; introduce new rules regarding tour boat routes and garbage disposal methods; use the media to spread environmental awareness and encourage greater use of clean energy; carry out inspections regularly and fine tourist organisations for abuses... While-class 3 What is the "River Chief System"? "River Chief System" is an initiative that holds senior officials responsible for reducing water pollution. While-class Paragraph 1 Paragraph 2 Paragraph 3 Paragraph 4 Introducing the topic Describing the problem Presenting some measures Presenting further solutions Activity 3 While-class 阅读课文，圈出表示因果关系、问题和措施的词汇或表达 cause and effect: have negative effects on, suffer from, contribute to, in order to, lead to, cause… Problem and solution: Urgent steps should be taken to… A comprehensive initiative… with a number of measures that addressed… With these measures… With such campaigns in effect… Verbs: improve, close, set up, introduce, spread, carry out, fine, preserve, tackle, head towards Part.3 After-class Summary 本单元的写作有关环境问题和如何保护环境，要求学生能够就环境保护发 表自己的想法。这对应新课标中“人与环境”这一主题。在写作时，应注意以 下几个方面： 1.概述目前环境的状况； 2.列出环境问题以及导致问题的原因； 3.为解决这些问题而采取的计划或措施； 4.人称以第一、第三人称为主，时态以一般现在时为主。 Homework 作业布置： 假定你是李华，你们班级举行了一场关于空气污染与人类健康的讨论会。请你 根据下列提示，写一篇关于如何防止空气污染的英文短文。 内容要点如下：1.工厂减少污染气体的排放。2.人们采用环保的交通方式等。 注意:1.词数80左右；2.可适当增加细节，以使行文连贯。 Thank you!