湖南大学《大学英语第二册》课件-第8章.pdf

Protecting Our EnvironmentUnit 8Hunan University Ouyang huiSetting goalsIn this unit,you will learn how to:preview comprehension questionget and support the main ideaidentify and use different resources and technologiesidentify your learning goals before you begin a new lessonContents Reading strategy Preview comprehension Questions;Structure of text A;Language points;Writing strategy;AssignmentReading strategy Preview comprehension questions before you begin reading a text.This will help you create a purpose for reading.In many textbooks,reading passages are followedby comprehension questions.The questions are often related to information from the passage,but they may also ask you to compare the text to other texts you know or connected the text to your own experiences.Reading strategy In any case,look at the questions first-then you will know what information to look for and what to think about while you are reading.Creating purpose for reading will help you understand more.Apply the strategy Read the questions that follow“A Fable for Tomorrow”.What information are the questions asking for?What are the questions asking you to think about?Keep these questions in mind as you read text A.As you read,you may want to put check marks in the margins or circle the key words of the text,underlinewords,or even make other marks that help you to answer the questions.Preview comprehension questions 1.What does“fable”mean?2.Where does the author place her imagined town?3.Could you name some of the wild life that inhabited this town in the old days?4.What has happened now?5.Who is responsible for all these changes?Preview comprehension questions Why does the author write an imagined town?Though imagined,the tragedy may well become a realityAnd the author tells about her purpose in writing the book.A Fable for tomorrowA Fable for tomorrow Rachel CarsonBackground InformationEnvironmental Protection OrganizationsEarth DayRachel CarsonA brief introduction to Rachel CarsonRachel Carson Born:May 27,1907 Birthplace:Springdale,Pennsylvania Occupation:marine biologist,writer Nationality:American Writing Period:19371964 Genres:nature writing Subjects:marine biology,ecology,pesticides Notable work(s):Silent Spring Died:April 14,1964(aged 56)Silver Spring,MarylandRachel Carson Rachel Louise Carson(19071964)was an American marine biologist and nature writer whose writings are credited with advancing the global environmental movement.In the late 1950s,Carson turned her attention to conservation and the environmental problems caused by synthetic pesticides.The result was Silent Spring(1962),which brought environmental concerns to an unprecedented portion of the American public.Silent Spring spurred a reversal in national pesticideleading to a nationwide ban on DDT and other pesticides and the grassroots environmental movement the book inspired led to the creation of the Environmental Protection Agency.Carson was posthumously awarded the Presidential Medal of Freedom by Jimmy Carter.About the Book Silent SpringEnvironmental protectionEnvironmental Protection Organizations1.The United Nations Environment Programme (UNEP)2.Green Peace3.The Environmental Protection AgencyEnvironmental Protection AgencyPresidential Medal of FreedomEarth Day Earth Day is a day designed to inspire awareness and appreciation for the Earths environment.It is on 22 April.It was founded by U.S.Senator Gaylord Nelson(D-Wisconsin)as an environmental teach-in in 1970 and is celebrated in many countries every year.The first Earth Day was in 1970.Earth Day is similar to World Environment Day.Part 2Part 1Part 3Part 4Paras.1-2Paras.3-6Paras.7-8Paras.9-10A town in the heart of America,whereAll life lived in harmony with its Surroundings.The description of the same town which was now stricken with all kinds of Maladies.The cause of the maladies.Though imagined,the tragedy may well become a reality and the author tells about her purpose in writing the book.The structure of text A Make sentencesRead this part and make sentences with the same meaning as the text.Try to use the words or phrases given below.in harmony with prosperous farm clouds of bloom foxes deer delighted the travelers eye in winter flood of migrantsLanguage pointsQuestions and Answers1.What should spring be like?What does“a silent spring”mean?Spring should be throbbing with life,full of birdsong.“A silent spring”means a lifeless spring.2.What do the roadsides look like now?The roadsides are now lined with withered vegetation as though swept by fire.3.The author mentioned a white granular powder that falls like snow.What do you guess it is?Probably it is the remains of pesticides or other deadly chemicals.2.The white granular powder was spread by people themselves.True or False1.White granular powder had fallen upon the roofs and the lawns,the fields and streams some weeks before.FThey were not the persons who spread the powder,but the ones who should be responsible for this consequence.T()()3.Actually,the