Unit 3 Reading and Thinking 學(xué)案-高中英語人教版（2019）選擇性必修第三冊

Unit3EnvironmentalProtectionReadingandThinkingTask1:整體理解Skimthepassageandfillintheblanks.Theproblem:Theearthisgetting__________.Theproblem:Theearthisgetting__________.Acase:Apolarbearwasstarvedto__________duetohuntingnoseals.Acase:Apolarbearwasstarvedto__________duetohuntingnoseals.Thereason:The“Thereason:The“__________________________”.requirestheworld’sattentionTheTheevidence:Moreextremeweatherandnatural______________worldwide.TheTheconclusion:Theglobalclimatechangerequiresthe_______________ofpeopleallovertheworld.Task2:細(xì)節(jié)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引導(dǎo)的賓語從句，在否定句或疑問句中通常接that從句。Ex:①毫無疑問，我能勝任這份工作。_________________________________________________②Thesceneissostrangethat_____________________(他懷疑...是否)there'ssomethingwrongwithhiseyes.Awarmingoceanandatmospherealongwithmeltingiceandrisingsealevelsprovideevidenceofadramaticchangeintheglobalclimate.alongwith意為“連同；以及；和…一起”。連接前后兩個主語時(shí)，謂語動詞應(yīng)和前面的主語保持一致。同樣用法的還有：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...此兩句中that均引導(dǎo)_______________從句，解釋前面名詞的_______。常跟在fact,idea,opinion,news,hope,belief等名詞后面。①_________________________________________(得知消息你在英語演講比賽中獲得一等獎),I’mwritingtooffermysincerecongratulations.②Wearedelightedat__________________________________(他被重點(diǎn)大學(xué)錄取的消息).③他堅(jiān)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.令人驚恐的案例2.對...有影響3.溫室效應(yīng)4.指的是，涉及5.大量的6.化石燃料7.被困在8.采取適當(dāng)?shù)男袆?.經(jīng)濟(jì)損失10.溫室氣體排放11.導(dǎo)致12.持久的變化13.碳足跡Task4:1.毫無疑問;我懷疑是否；對……有疑問；我確信ThereisnodoubtthatIamqualifiedfor/equalto/suitableforthejob.hedoubtswhether/if2.has;has;is;