长江作业高中英语 第四单元 PeriodⅠ单元预习课课件 新人教版必修1.ppt

导读 话题美文 感悟 教材原文 预学 语言知识 periodi单元预习课震是一种可怕的自然现象 地震是如何发生的 它又有哪些危害呢 earthquakeseveryyeartherearehundredsofearthquakesindifferentpartsoftheworld china japan russiaandtheusahavethehighestoccurrence 发生 ofearthquakesintheworld theearth scrust 地壳 ismadeupoflayersofrockcalledplates astheseplatesmove theysometimescrashagainsteachother causingthecrusttoquake earthquakescanalsobreakupgasandoilpipes thiscancausefirestobreakout whichcandoasmuchdamageastheearthquakeitself anothereffectofearthquakesistsunamis 海啸 thesearehugewavescreatedbyearthquakesbeneaththesea theycanbemanymetershighandcausegreatdamagetocoastaltownsandcities onmay12th 2008 astrongearthquakestrucksichuanprovince china itkillednearly80 000lives injuredabout370 000andcausedalotofdamage wemeasureanearthquake sstrengthontherichterscale 里氏震级 therichterscalewasintroducedin1935insoutherncaliforniaintheusa itmeasuresearthquakesonascaleofonetoten anyearthquakemeasuringfiveormoreisusuallyserious 1 strikevt 袭击2 bemadeupof由 构成3 breakup打碎 粉碎4 breakout爆发 发生 1 whichareasoftheworldhavefrequentearthquakes nomorethan8words 2 whatdoesparagraphtwowanttotellus nomorethan10words 3 whatisthecauseoftsunamis nomorethan2words 答案 1 china japan russiaandtheusa 2 howanearthquakeismeasured 3 anearthquake earthquakes 第1步识记 核心单词 根据所给词性和汉语提示写出下列单词1 n 地震2 n 井3 n 管 导管4 n 百万5 n 民族 国家 国民 earthquake well pipe million nation 6 n 运河 水道7 n 蒸汽 水汽8 n 污垢 泥土9 n 苦难 痛苦10 adj 极度的11 vt 损害 伤害12 vt 破坏 毁坏 消灭13 n 轨道 足迹 canal canal dirt suffering extreme injure destroy track 14 vt vi 使 震惊 震动n 休克 打击 震惊15 n 电 电流 电学16 n 矿 矿山 矿井17 n 矿工18 n 掩蔽 掩蔽处 避身处19 n 标题 头衔20 n 记者 shock electricity mine miner shelter title reporter 将单词和所给英语释义连线1 bursta somethingthathasabadeffect2 eventb theplantocatchsomething3 ruinc toputsomethingundertheground4 uselessd seriousdamageordestruction 破坏 5 rescuee animportantthingthathappens6 trapf tobreakopenorinpiecessuddenly7 disasterg tosavefromdangerorharm8 buryh notuseful 答案 1 8fedhgbac 第2步掌握 高频短语 根据所给汉语提示写出下列短语1 立刻 马上2 和往常一样3 仿佛 好像4 结束 终结5 严重受损 破败不堪6 掘出 发现7 许多 大量的 rightaway asusual asif atanend inruins digout agreatnumberof 用以上短语的适当形式填空1 twoyearslaterthewarwasfinally 2 manybuildingswere becauseofthebigflood 3 hurryup itlooks itisgoingtorain 4 houseswereburntdowninthebigfire 5 heisill youshouldcallinthedoctor 6 they anancienttombbyaccident 7 tomisalwayslate thismorninghecametoschoollate 答案 1 atanend2 inruins3 asif4 agreatnumberof5 rightaway6 dugout7 asusual 第3步背诵 重点句型 背诵下列教材中出现的句型 体会黑体部分的用法1 inthefarmyard thechickensandeventhepigsweretoonervoustoeat 农家大院里的鸡 甚至猪都因过于惶恐而不想进食 2 itseemedasiftheworldwasatanend 似乎世界末日来临了 3 thousandsoffamilieswerekilledandmanychildrenwereleftwithoutparents 成千上万个家庭遇难 许多孩子变成了孤儿 4 allhopewasnotlost 不是所有的希望都破灭了 从四个选项中选择最佳答案1 allthefollowingunusualthingshappenedbeforethequakeexceptthat a thewaterinthevillagewellsroseandfellb thechickensandeventhepigsweretoonervoustoeatc tensofthousandsofcowswouldnevergivemilkagaind fishjumpedoutoftheirbowlsandponds 2 whatisthenumberofpeoplewhowerekilledorinjuredduringtheearthquake a 400 000 b 150 000 c 10 000 d 50 000 3 whatwastheresultoftheearthquake a luckily thecity shospitalssurvived b allofthecity sfactoriesweregone c mostofthecity shomesweregone d thewindcouldblowthebricksonthegroundaway 4 thetitle anighttheearthdidn tsleep means a theearthwasawakeallnightlongb peopleontheearthcouldn tfallasleepthatnightc theearthshooklikecrazythatnightd animalsontheearthwouldnotsleepthatnight 5 whatcanweinferfromthetext a itwasthegreatestearthquakeofthe20thcentury b boththecountrysideandthecitywerebadlydestroyedbytheearthquake c thecityoftangshanwasshaken