Unit8ConqueringDisasterI.教学目标1.教会学生表达各种形式的灾难，并教会学生使用准确的词汇表达如何征服灾难；2.帮助学生很好的理解两篇课文并正确地完成相关课后练习。通过指导学生对课文的学习，提高学生的综合阅读能力；3．引导学生提高四级写作技能，帮助学生注意到议论文与说明文的差异，使之能针对不同的主题选择合适的文体写作；4.帮助学生复习英语语法使之综合正确使用所学英语内容。II.教学内容词汇1.Sheandhertravellingcompanion,RondaRosenthal,returnedtotheircabinaftertheshipgavea“shudder”,butwerereassuredbytheircabinstewardtheshipwasexperiencinga“small”technicaldifficulty”.Shuddern.atremor震动，颤动e.g.“Itwasnotthat,”saidNell,glancingaroundwithaslightshudder.“并不是那么回事”,内尔说着，微颤的四下回顾。Aninvoluntaryshudderpassedoverbothofthem.他们两人都禁不住的打了个寒颤。c.f.shake,tremble,quiver,vibrateshake:informaluncontrollabletrembling,asinapersonwhoiscold,frightened,feverish,orill.最普通用词，含义广。指人或物不自主的颤动，摇摆，常侧重剧烈和无规律。tremble:toshakeinvoluntarily,asfromexcitementoranger;quake指由于寒冷，虚弱，愤怒或恐惧而发抖，战栗。quiver:toshakewithaslight,rapid,tremulousmovement.多用于指事物。物体像乐器的弦一般的轻微而急促的颤动。vibrate:tomovebackandforthortoandfro,especiallyrhythmicallyandrapidly.指急速的连续震动，也指钟摆等的来回摆动。2.However,itbecameclearthatsomethingwasamissaboardthe1500-cabinluxuryvessel,afterthetwoheardannouncementsregardinglifeboatsandmusterstations.amiss:a.wrong,incorrect,orfaulty有错误的，出差错的e.g.Whenheissilent,however,wehavereasontobelievethatsomethingisamiss.但当他保持沉默时，我们有理由相信出了什么错。muster:v.tocausetocometogether;gather召集（士兵）等，使集合e.g.Bringallthevolunteersyoucanmuster.把你能召集的所有志愿者都带来。musterin:应召入伍e.g.Hemusteredinattheageof18.她十八岁时应招入伍。3.Theydressed,grabbedtheirlifejacketsandwenttoinvestigate,cominguponachaoticscene.comeupon:tofindormeetsomeoneorsomething,esp.unexpectedly偶然遇到；突然产生e.g.Wecameuponafarmersettingafiretoclearoffdeadgrassfromthepasture.我们碰到一个农民正在放火把农场边上的杂草烧光。4.Wepeekedaroundthecornertokindofseewhatpeopleweredoing…andmygosh,peoplewereactuallygettinginalifeboat.kindof:tosomedegree,sortof有点儿e.g.Ikindofforgettothankherforallshedoesforme.我有点忘记感谢她为我做的事情了。5.Severalothersremainedunaccountedfor.unaccounted:meansmissinge.g.Asmanyas100peopleareunaccountedfor.6.Hesaidhisfamilyhungbackbecause“wedidn’