2018届高考英语一轮复习教案：选修7 Unit 20 New Frontiers

1[话题素材]好词1．solvev.解决2．absorbv.吸收3．observev.观察；遵守；庆祝4．knowledgen.知识5．explorevt.探索；探险→explorationn.探测；探究6．seriousadj.严重的7．comfortableadj.舒适的8．withthedevelopmentof随着……的发展9．scienceandtechnology科技10．makeadifference起作用11．inthemeantime同时12．growingrapidly迅速发展佳句1．IwassoangrythatIrushedout,leavinghimsittingtherewithpaleface.我非常生气，冲了出去，留下他坐在那儿，脸色发白。2．Neitherwill_he_gohomenorwillhegotoschool.他既不愿回家，也不愿去上学。[精美语篇]Wearenowlivinginaninformationage,inwhichTV,cellsandtheWebarewidelyused.Itseemsthatmanypeoplecan'tenjoythemselveswithoutthem.However,ifIhadtogiveuponeofthem,IwouldturnofftheTVratherthanswitchoffmycellorcutofftheInternet.IcoulddowithoutTVbecausefewshowstakemyfancyandthere'retoomanycommercials.Besides,mostprogramsonTVarealsoavailableelsewhere.AsforcellsandtheWeb,theyaremorenecessarytomebecauseacellcanmakemekeepintouchwithmyfriendsandfamilywhiletheInternetcanprovidemewithalmostallinformation.高频单词1．assist(vt.)帮助；协助→assistance(n.)帮助；协助→assistant(n.)助手；助理2．technical(adj.)技术上的→technique(n.)技术23．latter(n.)后者→former(n.)前者4．shortly(adv.)不久；很快5．update(vt.)更新6．worn(adj.)磨损的→wear(vt.)穿；佩戴；磨损；留；蓄7．starvation(n.)饥饿→starve(v.)挨饿8．conflict(n.)争执；冲突(v.)冲突；抵触9．equality(n.)平等→equal(adj.)平等的(v.)等于10．assess(vt.)评价；评估→assessment(n.)评价；评估11．electronic(adj.)电子的→electric(adj.)电的；用电的→electrical(adj.)电的；电气科学的12．specialist(n.)专家→special(adj.)专门的；特殊的13．rescue(vt.)拯救；救援→rescuer(n.)救援者14．instructor(n.)指导者；教练→instruct(v.)指导；教导15．donate(vt.)捐赠；赠送→donation(n.)捐赠；赠送→donator(n.)捐赠者16．meanwhile(adv.)同时17．cure(vt.)治愈18．exploration(n.)探测，探险→explore(vt.)探测，探险19．permanent(adj.)长久的，永久的20．permit(vt.)允许；准许；许可→permit(n.)许可证→permission(n.)允许；准许21．declare(vt.)宣告；宣布→declaration(n.)宣布22．poisonous(adj.)有毒的→poison(n.)毒物；毒药重点短语1．in_advance　　　　　　　　　提前，预先2．be_based_on以……为基础3．make_up_for弥补4．donate...to...捐……给……5．shortly_after不久后6．give_away泄露(秘密)7．take_over接收，接管8．figure_out计算出；解决出9．wrestle_with_something努力解决难以处理的事物10．participate_in参加11．nottomention更不用说12．comeintoconflict发生冲突13．dropoff下降；减少14．bededicatedto致力于；献身于15．dueto因为16．ratherthan而不是热点句型31．“by＋时间点”常与完成时连用Bytheyear2015,theclothingindustrywill_have_producednewtypesofmaterialthatwillremainstainlessnomatterwhatyouspillonthem.(教材P20)到2015年，服装业将生产出各种新型布料，无论你将什么东西洒在上面都不会留下污迹。2．bedoing...when...“正在……这时……”Inthesummerof1905,thisoutspokenyoungmanwas_rockinghisone­year­oldbabywhenhewassuddenlyinspired.(教材P24)1905年夏天，这位率直的年轻人正摇晃他一岁的婴儿时，他突然有了灵感。3．There'snodoubtabout/that...“毫无疑问……”There's_no_doubt_aboutit.(教材P25)对此应该深信不疑。4．否定词＋比较级表示最高级的含义Atthistimeofyear,thereisnowhere_better_thantheunspoiltcountrysideofSouthShropshire.(教材P29)在每年这个时节，没有哪里比自然淳朴的南什罗浦乡下更好了。教材复现在空白处填入适当的内容(1个单词)或括号内单词的正确形式。1．Overthecenturies,peoplehavealways________(wonder)aboutthefuture.答案：wondered2．Someliketoreadfantasystoriesandimaginewhattheworldwillbelike________10,50oreven1,000year'stime.答案：in3．Manypeoplewillattendtheseminarwithdreamsofstartingnewenterprises________(base)onthepredictionstheywillhearthisweekend.答案：based4．Bytheyear2025,noonewilldieof________(starve)becausetherewillbefoodforeveryone.答案：starvation5．________themiddleofthecentury,computersthataremillionsoftimessmarterthanuswillhavebeendeveloped.答案：By6．________(amaze)discoveriesweremadeinmedicine,communicationsandtransport,nottomentionourknowledgeoftheworld.答案：Amazing7．Although________isimpossibletochoosethemostimportantdiscovery,itispossibletosingleoutafewpioneersofthe20thcentury.答案：it8．Einsteinhadalreadybecomeworld­famouswhenayoungex­lawyer,________(return)fromtheFirstWorldWar,startedworkinCalifornia.4答案：returning9．In1929,anotherfar­reaching________(find)wasmadebythesonofaScottishshepherd.答案：finding10．Thesepioneersofthe20thcenturywereall________(dedicate)toimprovingthequalityofhumanlifeonearth.答案：dedicated1　　assist　vt.帮助；协助Thenewinternationalcrewareplanningtotakeoverfromtheexistingoneandassistwith...(P19)新的国际机组全体人员正计划要接管现有的一架飞机并协助……Error!帮助某人做某事(2)assistancen.帮助go/cometoone'sassistance帮助某人withtheassistanceof在……帮助下(3)assistantn.助手，助理，助教；店员①[2013·天津高考]Foryears,Flagstaff,Arizona,hasenforcedlightingregulationsinitscityinordertoassistastronomersattheLowellObservatory.多年来，为了帮助在洛厄尔天文台的宇航员，亚利桑那州的佛莱斯达在它的城市实行照明条例。②[牛津词典]Theheadteacher'sdeputyassists_withmanyofhisduties.副校长帮助校长做了很多工作。③IswamtoDadquicklyandassistedhimin_climbing/to_climbontotheboat.我迅速游向父亲，并协助他爬到船上。④[译林⑧－3]With_the_assistance_ofhisbrother,hesoldonepainting.在弟弟的帮助下，他卖掉了一幅画。2　　latter　n.后者　adj.后期的；末期的Inthe18thand19thcenturies,especiallythelatter,themostcommonthemeinsciencefictionnovelswasthefuture.(P20)在18和19世纪，特别是19世纪，科幻小说最常见的主题是未来。(1)theformer...，thelatter...前者……，后者……5(2)thelatter_part后部分thelatter_point后一点thelatter_year晚年①[2013·福建高考]JackandBillaretwins,butthe_formeristallerthanthe_latter.杰克和比尔是孪生兄弟，但前者比后者高。②[人教⑦－1]ListentothelatterpartofBarry'sstory.听巴里讲述故事的后半部分。易混辨析late指比预料的或正常的时间晚，意思是“迟的，晚的(地)”lately副词，意思是“近来，最近”，相当于recently，常与完成时态连用latest是形容词表示“最近的，最新的”later为副词，多用于时间上，指与过去某一时间点相比，“更后地，更晚地；后来；以后”latter表示两事物之间的顺序，意为“后一个/后者”，与former(前者)相对，常用于“theformer...,thelatter...”结构中续表[一言辨异]ThoughIhaven'theardmuchmorelatestnewsabouthim,Iknowfromhisteacherth