选修6-unit5知识点.

Unit5ThepowerofnatureLanguagepoints预习导学:Ⅰ重点单词:1.火山n.______________2.在旁边;沿着边adv.在……旁边;沿着··的边prep._____________3.波浪;波涛n.波动,起伏;挥手vi_____________4.潜在性,可能性;潜能n.可能的;潜在的adj______________5.射中;射伤Vt_______________6.惊慌vi&vt.惊慌;恐慌n._________________7.欣赏;感激;感谢n.___________________8.保证;担保vt.________________.9.(指火山爆发;突然发生vi___________________10.任命;委派vt______________-----约定;任命n._________________11.绝对的;完全的adj.________________-----绝对地;完全地_______________12.一套外衣;套装n.适合;使适宜vt._________---合适的;适宜的adj.____________13.实在的;实际的adj._____________---实际上adv._________________14.忧虑的;不安的adj.______________---不安地adv.________________担心;焦虑;渴望n.____________15.多种多样的;不同的adj.________________----多种多样,多样性n,______________Ⅱ重点短语:1.前往___________________2.匆匆看一遍________________3.由·到·不等______________________4.生产;产生______________5.与·相比______________________6.保护·免受··伤害_______________________7被委派为·__________________8.即将做某事;马上就要做某事_______________________学习目标:mastertheusageoftheimportantnewwordsandexpressions重点难点:consider,risk,Havingcollectedandevaluated…,burntotheground,makeone’sway,enthusiastic学习过程:1.Haveyoueverconsideredhowweakhumansarecomparedwithavolcano,hurricaneorearthquake?你是否想过,和火山,飓风或地震相比人类是何等脆弱。consider思考,主要用于:consider+名词/-ing形式:他正在考虑出国留学。_________________________________________consider+wh-:我们仔细考虑应该如何帮助他们。_______________________________consider+副词:要慎重考虑后再作决定。___________________________________2.Doyouenjoytakingrisks?riskn.风险,危险:Hewastakingariskbyovertakingonabend.他在转弯处超车是在冒风险。短语联想:atrisk在危险中:不系安全带真的会有危险。________________________________________attheriskof冒……危险尽管似乎无理,恐怕我还是必须拒绝你的要求。_______________________________________3.Havingcollectedandevaluatedtheinformation,Ihelpotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.[考点]Havingcollectedandevaluated是动词-ing形式的完成式,说明它表示的动作在主要谓语表示的动作之前发生。[考例1]Thestormleft,_____alotofdamagetothisarea.(2005全国卷IA.causedB.tohavecausedC.tocauseD.havingcaused[考例2]_____inthequeueforhalfanhour,Tomsuddenlyrealizedthathehadlefthiswalletathome.(北京2004A.TowaitB.HavewaitedC.HavingwaitedD.Tohavewaited4.Manyhouseshavebeencoveredwithlavaorburnedtotheground.许多房屋被熔岩覆盖或烧毁。burntotheground指楼等被烧毁他无处栖身因为他的房子被烧掉了。________________________________________________短语联想:burnaway烧掉burndown(建筑物烧毁:burnoff烧掉burnout烧坏burnup烧毁,燃得更亮/旺5.Havingearliercollectedspecialclothesfromtheobservatory,weputthemonbeforewewentanycloser.[考点]earlier是副词early的比较级,意为“早些……”。[考例]Thenewgroupofstudentsisbetter-behavedthantheothergroupwhostayedhere_____.(北京2007A.earlyB.earlierC.earliestD.theearliest6.Weslowlymadeourwaytotheedgeofthecrater….我们慢慢向走火山口的边缘。makeone’sway(向某地走(去她犹豫了一下,但向前走去。_________________________________________她迅速离开房间,朝她床边走去。____________________________________________7.Today,IamjustasenthusiasticaboutmyjobasthedayIfirststarted.如今,我和开始从事这项工作时一样满怀热情。enthusiastic(about感兴趣的,热心的Sheseemedenthusiasticabouttheidea.她好象对这个主意很感兴趣。Wegotanenthusiasticresponsefromourcustomers.我们得到了顾客们的热情反应。课堂小结I.根据下列各句句意及所给单词的首字母或汉语提示,写出各单词的正确形式。1.Youshouldbeabletoe______yourownwork.2.Itwasu_________thatLarrybrokehislegonthefirstdayoftheholiday.3.“You’rewrong,”shesaidwitha______certainty.4.Iamverysurprisedthatshehassomanyf_______dreams.5.Theparksofthiscityarefamousfortheirbeautiful________(喷泉.6.The________(潜在的sideeffectsofthedrugareunknown.II.用所给词的适当形式填空。1.Sheisespecially______(exciteatthenewsthatherdaughtergotthefirstinthecompetition.2.Hislongand______(borespeechmadeeveryonesleepy.3.Therichvarietyofanimallifewefoundwasvery__________(impress.4.____________(fortunate,threepeoplediedandalotofpeoplewereinjuredintheaccident.5.Weneedtocarryoutaproper_________(evaluateofthenewsystem.6.Hebelieves________(absolutethatamanwithpreparationwillsucceedsoonerorlater.7.The_______(eruptofavolcanomakesmanypeoplelosetheirlives.8.Dadalwaysfalls______(sleepinfrontoftheTVafterSundaylunch.III.用适当的介词或副词填空。1.___thedistance,hecouldseethetallchimneysofthefactory.2.Useanumbrellatoprotectyourself_____therain.3.Themountainwascovered_______snowalltheyearround.4.Enoughlavahaderupted_____thevolcanotoburythewholevillage.5.Busesweredestroyedandatouristhotelwasburned__theground,althoughnoholidaymakerswereinjured.6.Maryquicklymovedout__theway,andDonaldliftedaboxdown.7.Students____allovertheworldcometostudyatOxford.8.Itwasmyfirstsight__oldGreendancingwithagirlofsixteen.9.Hehadput__hisbestclothesforthismorningcall.10.Allthestaffareenthusiastic_____theproject.IV.下列各句均有一处错误,请指出并改正。1.Hewasabouttoleavetheroomwhilethetelephonerang.2.Helpisinthewaytothepeoplewhoarestruckbytheflood.3.Heworkedlateintothenight,preparedalongspeech.4.Thegirltoldusthewholethinginanexcitingvoice.5.Asthoughhe’s24now,he’sstilllikealittlechild.达标测试1.用所给短语的适当形式完成句子。burntotheground;haveacloserlookat;makeone’sway;fastasleep;feelalive;beaboutto;protect...from...;takenoticeof;beenthusiasticabout;beamazedat1.I_________________thecoatanddecideditwasn’tworth￡50.2.Afterthefire,hishouse_______________________.3.OnFriday,guys__________________talkingaboutwheretheyaregoingfortheweekend.4.Itwasthekindofmorningwhenyouwakeupand________.5.Thoughitwasdark,we________