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1、Unit 5The power of nature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；crater lakes；cyclones；floods来源:Z,xx,k.Com来源:学科网来源:学科网
2、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typ
3、hoonn.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preciou
4、sadj.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；不同的make ones way 前往burn to the ground全部焚毁glance through 匆匆看一遍attach.to.把附在上vary from.to.由到不等compare.with.把和做比较a live volcano 一座活火山be about to do 即将；马上；正要做part of 部分run
5、out of 跑出去；用光；耗尽out of the way不挡道；不碍事；躲开look down into向下看be covered with被所覆盖，遮掩take.by surprise使吃惊a great diversity of 多种多样的be home to 是的栖息地；原产地in the distance 在远处；在远方pick up 拾起；捡起on earth 在地球上；究竟；到底；根本protect sb./sth.against/from sth.保护不受的伤害句型1.Having_collected_and_evaluated_the_information，I help
6、other scientists to predict where lava from the volcano will flow next and how fast.(the ing form)2.I was_about_to go back to sleep when suddenly my bedroom became as bright as day.(sb.be about to do sth.when.)3.The other two climbed down into the crater to collect some lava for later study，but this
7、_being_my_first_experience，I stayed at the top and watched them.(the ing form)4.Having_studied_volcanoes_now_for_many_years，I am still amazed at their beauty as well as their potential to cause great damage.(the ing form)5.My job is collecting_information_for_a_database_about_Mount_Kilauea.(the ing
8、form)6.I was appointed as a volcanologist working_for_the_Hawaiian_Volcano_Observatory(HVO)_twenty_years_ago.(the ing form)功能情感：喜悦、恐惧、焦虑、惊奇(Emotions：joy，fear，anxiety，surprise)I became so excited that.Im looking forward to.Perfect! You did a good job.Im frightened. I was trembling.I was so anxious. I
9、 felt very nervous.Oh，my goodness. Oh，no!I had never felt so happy as. Doesnt that look lovely?I cant wait. I was never so frightened.Whats happening? Whats happened?Whats that noise? Wheres the.？语法复习ing形式(Revise the ing form)I was appointed as a volcanologist working for the Hawaiian Volcano Observ
10、atory(HVO) twenty years ago.My job is collecting_information_for_a_database_about_Mount_Kilauea.Having_worked_hard_all_day，I went to bed early.Having_experienced_quite_a_few_earthquakes_in_Hawaii_already，I didnt take much notice.教学重点1.Get students to know about disasters that are caused by natural f
11、orces.2Have students learn some useful new words and expressions about natural disasters and let them learn effective ways to master them.3Enable students to express their emotions such as joy，fear，anxiety and surprise.4Let students get a better understanding of the grammar item：the ing form.5Develo
12、p students listening，speaking，reading and writing ability.教学难点1.Enable students to master the usages of the ing form.2Let students learn to write a letter expressing emotions.3Develop students integrative skills.课时安排Periods needed：6Period 1Warming Up，Prereading，Reading and ComprehendingPeriod 2Langu
13、age StudyPeriod 3Grammarthe ing FormPeriod 4Listening and SpeakingPeriod 5Reading and WritingPeriod 6Summing Up，Learning Tip and AssessmentPeriod 1Warming Up，Prereading，Readingand Comprehending教学内容分析This is the first teaching period of this unit.The central part of this period is the reading passage
14、 with the name of An Exciting Job showing the students the power of nature.Warming Up gives two topics for students to discuss，letting students get some more knowledge about the power of nature.Prereading provides some questions and a questionnaire to help students focus on the topic of the reading passage and lead the students to think about any personal experiences of working outside，such as things about climbing into a live volcano，doing da
