Unit 3 Reading and Thinking 学案-高中英语人教版（2019）选择性必修第三册

Unit3EnvironmentalProtectionReadingandThinkingTask1:整体理解Skimthepassageandfillintheblanks.Theproblem:Theearthisgetting__________.Theproblem:Theearthisgetting__________.Acase:Apolarbearwasstarvedto__________duetohuntingnoseals.Acase:Apolarbearwasstarvedto__________duetohuntingnoseals.Thereason:The“Thereason:The“__________________________”.requirestheworld’sattentionTheTheevidence:Moreextremeweatherandnatural______________worldwide.TheTheconclusion:Theglobalclimatechangerequiresthe_______________ofpeopleallovertheworld.Task2:细节探究Answerthefollowingquestions:1.Whathappenedtothepolarbearinthephoto?Whydidthewriterwriteaboutit?2.Whyisthe“natural”greenhouseeffectimportantandnecessary?3.Whataretheconsequencesofhighgreenhousegasemissions?4.Whydidtheauthormentiontheclimatescientists’warning?5.Whatistheauthor’spurposeofwritingthistext?Task3:Importantphrasesanalarmingcasehaveanimpactongreenhouseeffectrefertohugeamountsoffossilfuelbetrappedintakeappropriateactioneconomiclossesgreenhousegasemissionsresultinlong-lastingchangescarbonfootprintTask4:ImportantsentencesThereislittledoubtthatEarthisgettingwarmerandwarmer(seethegraph).There’slittle/nodoubtthat..._______________________Idoubtwhether/if________________There'ssomedoubtabout/whether__________________Idon’tdoubtthat...________________解析：doubt在肯定句中，其后通常接whether/if引导的宾语从句，在否定句或疑问句中通常接that从句。Ex:①毫无疑问，我能胜任这份工作。_________________________________________________②Thesceneissostrangethat_____________________(他怀疑...是否)there'ssomethingwrongwithhiseyes.Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.alongwith意为“连同；以及；和…一起”。连接前后两个主语时，谓语动词应和前面的主语保持一致。同样用法的还有：with,togetherwith,aswellas,except,besides,ratherthan等。①Thegirlaswellasboys_____(have)learnedtousecomputer.②Jim,alongwithhisclassmates,_______(have)seenthefilm.③John,ratherthanhisroommates,______(be)toblame.④Awomanwithtwochildren_______(have)come.The"natural"greenhouseeffectreferstothefactthatheatfromthesunenterstheatmosphereandwarmsEarth'ssurfaceasshort-waveradiation.Thereisstrongandcomprehensiveevidencethattheriseintemperaturehasledtoanincreaseinextremeweatherandnaturaldisastersworldwide...此两句中that均引导_______________从句，解释前面名词的_______。常跟在fact,idea,opinion,news,hope,belief等名词后面。①_________________________________________(得知消息你在英语演讲比赛中获得一等奖),I’mwritingtooffermysincerecongratulations.②Wearedelightedat__________________________________(他被重点大学录取的消息).③他坚信“有志者事竟成”。_________________________________________________________答案：Task1:warmerandwarmer;death;greenhouseeffect;disasters;attentionTask2:1.Thepolarbearinthephotodiedofstarvation.Thewriterwroteaboutitbecauseitshowedoneoftheeffectsofrisingtemperaturesduetoclimatechange.2.The“natural”greenhouseeffectisimportantandnecessarybecauseitwarmstheEarth’ssurfaceandkeepsithabitable.3.Highgreenhousegasemissionsleadtomoreheatenergybeingtrappedintheatmosphereandrisingtemperatures.4.Theauthormentionedtheclimatescientists’warningbecauseitisessentialthatwetakeactionandsoitneedstobebroughttoeveryone’sattention.5.Theauthor’spurposeistoinformthereaderandinspirethemtodowhatevertheycantodealwiththisproblem.Task3:1.令人惊恐的案例2.对...有影响3.温室效应4.指的是，涉及5.大量的6.化石燃料7.被困在8.采取适当的行动9.经济损失10.温室气体排放11.导致12.持久的变化13.碳足迹Task4:1.毫无疑问;我怀疑是否；对……有疑问；我确信ThereisnodoubtthatIamqualifiedfor/equalto/suitableforthejob.hedoubtswhether/if2.has;has;is;