Unit3 Reading and Thinking （ppt课件）-新人教版（2019）《高中英语》选择性必修第三册.pptx

1、Climate change has a great impact on our oceans,our_,our food sources and our _.Ice sheets are melting.Extreme weather is caused such as major storms,_,heavy _,and longer_.So growing crops becomes more difficult.Also,peoples health is directly affected for exposure to higher levels of smog.while the

2、 dramatic weather change is mainly caused by _,humans are also the ones who can combat it.weatherhealthfloodssnowfalldroughtshumansHow?ExpositionWhatHowWhyHowproblemcaseReading strategy You can find main ideas by first taking a quick look at the title,pictures,key words and phrases,and topic sentenc

3、es.Para 1¶2Main idea:A _ of climate change.Main idea:An exact _ of climate change.Para 3causesMain idea:The _ of the increase in the global temperature.Para 4Main idea:_of the rise in temperature.The consequencesPara 5Main idea:_ to reducing greenhouse gas emissions.solutionsPara1A _ of climate

4、change Para2An exact _ of the climate changePara3The _ of the increase in the global temperaturePara4The _ of the rise in global temperaturePart5The _ to reducing greenhouse gas emissionsproblemcausesconsequencessolutionsExpositioncaseA problem what?climates getting warmer and warmer a warming ocean

5、&atmospheremelting icerising sea levelsa dead polar bearevidencecasesWhy?climate changeled toClimate changes influence on the polar bears lifelow sea-ice levelssono seals had to greater distance during the process severe starvation at last dead body The causesThe greenhouse effecttypesthe“natural”on

6、ethe“man-made”onefunctioncause the earths surface to rise quicklykeep the earths climate warm and habitableresultsThe consequencesserious damage&deathmore extreme weather&natural disastersDrought in western US in 2021Volcanoe ruption inTonga in 2022Rainstorm in Rio de Janeiro，Brazilia in 2022climate

7、 scientists warning?Because it needs to be brought to everyones attention and it is essential that we take action.Who MeasuresGovernmentswe individualsmake policies&take measures to reduce greenhouse gas emissions reduce our “carbon footprint”So what will you do to help?Why?To urge readers to take i

8、mmediate measuresplease draw a diagram to review what weve learned.A problemThe causesThe consequencesThe solutionsA caseclimates getting warmer and warmera dead polar bearthe natural greenhouse effectthe man-made onenatural disasterextreme weatherindividualsgovernmentsWhat writing techniques does t

9、he author use?using a graphusing an exampleasking a questionmaking an explanationmaking a comparisonleaving a questionwriting techniques What is the authors purpose of writing this text?To inform us readers of the terrible consequences of climate change and urge us to do whatever we can to deal with

10、 the problem.Who is more likely to blame for climate?Any reasons?Sort the garbageAbate the use of plastic bagsValue our own role End wasting resources Encourage others to paticipate in it Alter our lifestyleRide a bike or walk to schoolTurn off all electric devices when not in useHelp inform those a

11、round the danger of global warming .As an individual,what can we do to deal with the climate change?Earth provides enough to satisfy every mans needs,but not every mans greed.-Mohandas K.GandhiA ConclusionTogether,lets return green to the earth !你校为应对全球变暖，保护地球家园，特向全体学生们发出“低碳减排，绿色生活”的倡议。假如你是学生会主席李华，请

12、你根据以下要点写一封英语倡议书，内容包括:1.发出倡议的目的;2.“低碳减排，绿色生活”的几点建议;3.呼吁大家采取行动。注意：1.词数80左右;2.可适当增加细节，使行文连贯。Dear friends,Nowadays,the weather is becoming warmer and warmer.Not only has it caused the increase of the extreme weather but also costed humans life.So its time for us to do our part to reduce our“carbon footp

13、rint“.I believe green travel can make a difference.Firstly，We should choose to walk or ride a bicycle if its a short distance travel.Secondly,whenever possible,its good to take public transportation rather than private cars so as to cut down gas emission.Whats more,sorting garbage is also of great help.Such measures can definitely make a marked improvement in drcreasing gas emission,so lets take action and live a low-carbon life from now.Students Union