1、高二人教版选择性必修三英语第三单元Environmental ProtectionLesson 5 Reading and WritingLearning objectivesYou are expected to1.Learn the causes and effects of water pollution in the Li River and solutions to it;2.Learn to determine the organization of a report and cause-effect relationship;3.Learn some language featu
2、res of a report.Warming upGuess:What is it?What do you know about it?Impression on the Li RiverPredictionWhat message can the title reveal about the passage?Confirm your prediction1.What are the most important sentences in a typical expository essay?The last sentence in Paragraph 1 and the first sen
3、tences of the rest paragraphs.2.What is the basic structure of a problem-solution essay?Confirm your prediction2.What is the basic structure of a problem-solution essay?The first part addresses the problem/issue and its importance or seriousness.The second part addresses the causes of the problem/is
4、sue.The third part addresses solutions to the problem/issue,how it will work,and the practicality of the solution.Problem：Cause&Effect:Solution:Li Rivers reputation has led to water pollution.Due to the booming tourism,garbage and cooking oil polluted the water.More people and enterprises brought mo
5、re waste.Problem：Cause&Effect:Solution:1.Waste water treatment,household waste collection and transport facilities have been improved.2.Polluting businesses were closed.3.New rules were introduced.4.Media spread environmental awareness.Analysis of the organizationPara 1:How is the topic sentence led
6、 to?Para 2:How many direct causes are listed and what are the indirect causes?Para 3:Are the measures properly aimed at the causes?Para 4:How are the initiatives mentioned in Paragraph 4 different from those in Paragraph 3?Para 1:How is the topic sentence led to?Para 2:How many direct causes are lis
7、ted and what are the indirect causes?Analysis of the organizationLi River PollutionA top destinationNegative effectsTourists throwing rubbish in waterTour boats throwing cooking oil in waterMore waste ending up in the riverMore chemicals going into waterIncreasing number of touristsRise in the numbe
8、r of commercial and industrial enterprisesThe growth of local population The growth in tourismMore chemicals were used to increase crop productionTourists throwing rubbish in waterTour boats throwing cooking oil in waterMore waste ending up in the riverMore chemicals going into waterRise in the numb
9、er of commercial and industrial enterprisesMore chemicals were used to increase crop productionPara 4:How are the initiatives mentioned in Paragraph 4 different from those in Paragraph 3?Study of the language featuresPara 1:Paraphrase the topic sentence if you write for a school magazine.Para 2:Iden
10、tify sentences showing opinions and circle expressions showing cause and effect.Para 3:Comment on the verbs and their forms and circle expressions showing problem and solution.Para 4:Compare the last paragraph with a students writing:With our joint effort,water conservation in China can surely have
11、a bright future.Study of the language featuresPara 1:Paraphrase the topic sentence if you write for a school magazine.This report looks at the problem of water pollution and some actions that have been taken to deal with it.Compare:The water pollution in the Li River is really disturbing and we shou
12、ld take some immediate measures.Para 2:Identify sentences showing opinions and circle expressions showing cause and effect.Study of the language featuresExpressions showing cause and effect:have negative effects onsuffer fromcontribute toin order tolead tocausePara 3:Comment on the verbs and their f
13、orms and circle expressions showing problem and solution.Study of the language featuresExpressions showing 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,se
14、t up,introduce,spread,carry out,fine,preserve,tackle,head towardsPara 4:Compare the last paragraph with a students writing:With our joint effort,water conservation in China can surely have a bright future.With such campaigns in effect,Chinas waterways are heading towards a clean and sustainable futu
15、re.Concrete:clearer,more objective,and more accurateStudy of the language featuresSummary:What nouns can be used to sum up the language features of a report?objectivityclarityaccuracyconcisenessrelevanceThe magazine in your school Campus English has a special column“Lets Go Green”.Please write a rep
16、ort on an environmental issue and contribute it to the magazine.Context of WritingWhat is the environmental issue that disturbs you the most on campus or in your community?What questions should be considered when researching the issue on the Internet?Preparation for writingPage 331.Write a report on the environmental issue that disturbs you the most on campus or in your community.2.Exchange drafts with a partner and underline all the expressions which you think are objective,clear,accurate,relevant or concise.HomeworkThank you!
