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1Unit5Thepowerofnature单元要览本单元的中心话题是火山、飓风、地震和洪水等自然灾害，听说读写等语言知识和语言技能主要围绕“自然灾害”及如何预防和利用自然灾害这一主题进行。本单元引导学生讨论这些问题，目的在于帮助学生掌握与“自然灾害”这一主题有关的词汇知识，让他们了解自然界的威力，认识到人类只有保护自然，才能有效地预防自然灾害并改造和利用自然，同时也培养了他们热爱大自然的情操。本单元的主要教学内容如下表所示：类别课程标准要求掌握的内容[来源:学*科*网]话题volcanoes；craterlakes；cyclones；floods[来源:Z,xx,k.Com][来源:学科网][来源:学科网ZXXK]词汇appointv.任命；委派ashn.灰；灰末wavevi.波动；挥手n．波涛hurricanen.飓风；风暴suitv.适合；使适宜n．套装questionnairen.问卷；调查表shootv.射中；射伤equipmentn.设备；装备panicv.惊慌n．恐慌databasen.数据库；资料库guaranteev.保证；担保helmetn.头盔potentialn.潜在性；潜能adj.可能的bootn.靴子anxietyn.担心；焦虑；渴望candidaten.候选人；候补者absoluteadj.绝对的；完全的bungalown.平房；小屋actualadj.实在的；实际的typhoonn.台风anxiousadj.焦虑的；不安的thunderstormn.雷暴alongsideadv.在旁边；沿着边prep.在……旁边；沿着……的边novelistn.小说家absolutelyadv.绝对地；完全地fogn.雾eruptvi.(指火山)爆发；突然发生documentn.文件；证件evaluatev.评估；评价；估计rainbown.彩虹fountainv.泉水般地喷出或涌出n．喷泉；源泉balconyn.阳台tremblevi.摇晃；摇动；颤抖shotn.射击；枪炮声sweatvi.出汗n．汗appreciationn.欣赏；感激；感谢bathevi.洗澡；游泳preciousadj.贵重的；珍贵的diagramn.图解；图表；示意图uncomfortableadj.不舒服的；不舒适的volcanon.火山unconsciousadj.失去知觉的；未察觉的eruptionn.火山爆发；(战争等)爆发diverseadj.多种多样的；2不同的makeone'sway前往burntotheground全部焚毁glancethrough匆匆看一遍attach...to...把……附在……上varyfrom...to...由……到……不等compare...with...把……和……做比较alivevolcano一座活火山beabouttodo即将；马上；正要做partof部分runoutof跑出去；用光；耗尽outoftheway不挡道；不碍事；躲开lookdowninto向下看becoveredwith被……所覆盖，遮掩take...bysurprise使……吃惊agreatdiversityof多种多样的behometo是……的栖息地；原产地inthedistance在远处；在远方pickup拾起；捡起onearth在地球上；究竟；到底；根本protectsb./sth.against/fromsth.保护……不受……的伤害句型1.Having_collected_and_evaluated_the_information，Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.(the－ingform)2.Iwas_about_togobacktosleepwhensuddenlymybedroombecameasbrightasday.(sb.beabouttodosth.when...)3.Theothertwoclimbeddownintothecratertocollectsomelavaforlaterstudy，butthis_being_my_first_experience，Istayedatthetopandwatchedthem.(the－ingform)4.Having_studied_volcanoes_now_for_many_years，Iamstillamazedattheirbeautyaswellastheirpotentialtocausegreatdamage.(the－ingform)5.Myjobiscollecting_information_for_a_database_about_Mount_Kilauea...(the－ingform)6.Iwasappointedasavolcanologistworking_for_the_Hawaiian_Volcano_Observatory(HVO)_twenty_years_ago.(the－ingform)功能情感：喜悦、恐惧、焦虑、惊奇(Emotions：joy，fear，anxiety，surprise)Ibecamesoexcitedthat...I'mlookingforwardto...Perfect!Youdidagoodjob.I'mfrightened.Iwastrembling.Iwassoanxious...Ifeltverynervous.Oh，mygoodness.Oh，no!Ihadneverfeltsohappyas...Doesn'tthatlooklovely?Ican'twait...Iwasneversofrightened...What'shappening?What'shappened?What'sthatnoise?Where'sthe...？语法复习－ing形式(Revisethe－ingform)IwasappointedasavolcanologistworkingfortheHawaiianVolcanoObservatory(HVO)twentyyearsago.Myjobiscollecting_information_for_a_database_about_Mount_Kilauea...Having_worked_hard_all_day，Iwenttobedearly.Having_experienced_quite_a_few_earthquakes_in_Hawaii_already，Ididn'ttake3muchnotice.教学重点1.Getstudentstoknowaboutdisastersthatarecausedbynaturalforces.2．Havestudentslearnsomeusefulnewwordsandexpressionsaboutnaturaldisastersandletthemlearneffectivewaystomasterthem.3．Enablestudentstoexpresstheiremotionssuchasjoy，fear，anxietyandsurprise.4．Letstudentsgetabetterunderstandingofthegrammaritem：the－ingform.5．Developstudents'listening，speaking，readingandwritingability.教学难点1.Enablestudentstomastertheusagesofthe－ingform.2．Letstudentslearntowritealetterexpressingemotions.3．Developstudents'integrativeskills.课时安排Periodsneeded：6Period1WarmingUp，Pre－reading，ReadingandComprehendingPeriod2LanguageStudyPeriod3Grammar—the－ingFormPeriod4ListeningandSpeakingPeriod5ReadingandWritingPeriod6SummingUp，LearningTipandAssessmentPeriod1WarmingUp，Pre－reading，ReadingandComprehending整体设计教学内容分析Thisisthefirstteachingperiodofthisunit.ThecentralpartofthisperiodisthereadingpassagewiththenameofAnExcitingJobshowingthestudentsthepowerofnature.WarmingUpgivestwotopicsforstudentstodiscuss，lettingstudentsgetsomemoreknowledgeaboutthepowerofnature.Pre－readingprovidessomequestionsandaquestionnairetohelpstudentsfocusonthetopicofthereadingpassageandleadthestudentstothinkaboutanypersonalexperiencesofworkingoutside，suchasthingsaboutclimbingintoalivevolcano，doingdangerouswork，travelling，takingrisks，adventure，studyingrocksandsoon.Readingisafirst－personaccountofavolcanologist'sexperiences.Heloveshisjobverymuchbecausehecanhelpprotectordinarypeoplefromoneofthemostpowerfulforcesonearth.HisjobiscollectinginformationforadatabaseaboutMountKilaueaandhelpingotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.Once，hewatchedaneruptionandthencollectedsomelavaforlaterstudy.Aftermanyyears，heisstillenthusiasticabouthisjob.Readingcontainsapicturethatisanabsolutelyfantasticsight.Afteraglanceatthetitleofthetextandtheheadlineswithinitweknowthatitisanaccount，inwhichtherearemanyemotionexpressions.Thenwecanunderstandthetopicofthetextandhowtheinformationisorganized.Comprehendingconsistsofthreewrittenororalexercisesforthestudentstodosoastohelpthestudentstogetabetterunderstandingofthetext，thatistosay，tohelptheteachertocheck4howmuchthestudentshaveunderstoodthetext.三维目标设计Knowledgeandskills1．Toknowthem