2024-2025学年高中英语Unit4Breakingboundaries教学知识细解码教师用书外研版选择性必修第二册

PAGEUnit4Breakingboundaries1．assistv．帮助，帮助→assistancen．帮助；帮助→assistantn．助手；助理2．specialadj.特殊的；特殊的→specialistn．专家3．infectv．感染→infectionn．感染，传染→infectiousadj.传染性的→disinfectvt.给……杀菌；为……消毒4．devotevt.献身于→devotionn．奉献→devotedadj.献身的；酷爱的5．twinadj.双胞胎的→twinsn．双胞胎devotionn．挚爱；关爱；关照；奉献；忠诚；用心；热心①Hisdevotiontohiswifeandfamilyistouching. 挚爱，关爱②Herdevotiontothejobleftherwithverylittlefreetime.忠诚；用心③Asasoldier，heshowedselflessdevotiontoduty. 奉献WordsandPhraseseq\a\vs4\al(学问要点1)assistvt.&vi.帮助，帮助(教材P38)Itassistspeoplebasedonneed,regardlessofwhichcountrytheyarefrom.它依据须要帮助人们，不管他们来自哪个国家。[例1]We'lldoallwecantoassistyou.我们要尽量帮助你。[例2]Anyonewillingtoassistcancontactthisnumber.凡愿帮助者可拨此号码联系。[造句]我们正找寻情愿帮助该团体工作的人。Wearelookingforpeoplewhowouldbewillingtoassistinthegroup'swork.[学问拓展](1)assist(sb.)in(doing)sth. 帮助(某人)(做)某事assistsb.withsth. 帮助某人做某事assistsb.todosth. 帮助某人做某事(2)assistantadj. 副的；助理的n. 助手；店员assistancen. 帮助，救济[即学即练]单句语法填空①Twomenareassistingthepolicein/withtheirenquiries.②Wewillassistyouinfinding(find)somewheretolive.③BillassistedhisfriendMiketoestablish(establish)anewcompany.④Chinawillcontinuetoincreaseitsassistance(assist)toAfricainbothquantityandquality.[小片段填空]Theshopassistantrushedoutoftheshoptoassisttheoldladywithherluggage.Withhisassistance,theoldladycrossedtheroad.(assist)eq\a\vs4\al(学问要点2)vitaladj.极其重要的，必不行少的(教材P38)Butitisvitalnottotakeanychances.但重要的是不要冒险。[例1]Goodfinancialaccountsarevitaltothesuccessofanyenterprise.妥当的财务账目对任何公司的胜利都是极其重要的。[例2]Thepoliceplayavitalroleinoursociety.警察在我们的社会中起着极其重要的作用。[造句]现在，我们接着往下探讨今日的重要事宜。Nowwemoveonanddiscussthevitalbusinessoftheday.[学问拓展]bevitalto/for 对……极其重要；必不行少Itisvitalthat... ……极其重要(that从句中谓语用 shoulddo形式)ofvitalimportance 至关重要[即学即练]单句语法填空①Thequickrecognitionofdiseaseisvitalforeffectivetreatment.②Itisvitalthatweshouldbekept(keep)informedofalldevelopments.③Itiswithoutdoubtthatthedevelopmentofscienceandtechnologyisofvitalimportance(important)tohumanadvancement.eq\a\vs4\al(学问要点3)atrisk处在危急中(教材P38)IknewIwasputtingmylifeatrisk...我知道我在冒生命危急……[例1]Thecrisiscouldwellplacetherelationshipatrisk.这场危机可能会使这一关系有裂开的危急。[例2]Iftheyhavethevirustheyareputtingpatientsatrisk.假如他们有这种病毒，就会将病人置于危急境地。[造句]当一种新型流感感染了一个人，那么全部人都有危急。Whenanewfluinfectsonehumanbeing,allareatrisk.[学问拓展](1)riskdoing... 冒险做……riskone'shealth/life 以健康做赌注/冒着生命危急(2)attheriskof(doing)... 可能导致(不快等)，冒(做)……的危急atallrisks 无论如何run/takearisk/risks 冒险run/taketheriskof(doing)... 冒(做)……的危急[即学即练]单句语法填空①Whichteamismorewillingtotakerisks(risk)?②Hegotwell­preparedforthejobinterview,forhecouldn'trisklosing(lose)suchagoodchance.③Hewasdeterminedtodoitevenattheriskofbeinglaughed(laugh)at.eq\a\vs4\al(学问要点4)(教材P38)MymissionwastorelieveEmma,aCanadianspecialistininfectiousdiseasesattheendofherposting.我的任务是在加拿大传染病专家艾玛任职结束后接替她。(1)specialistn．专家，专业工作者[例1]Peckham,himselfacancerspecialist,iswellawareofthewidevariationsinmedicalpractice.佩卡姆本人就是个癌症专家，特别清晰医疗实践中的广泛差异。[例2]Wehadbettercallinaspecialistatthiscriticalmoment.在这个关键时刻我们最好请一位专家来。[造句]农夫们把他看作专家。Thepeasantslookeduponhimasaspecialist.[学问拓展]specialadj. 特殊的，特地的specializevi. 专攻，特地从事specializein... 专攻……specialization 专业化[即学即练]单句语法填空①Wespecializeincreatingbeautiful,delicious,andtrulyuniquecakes.②Ithinkwe'veenteredanageofspecialization(special)．(2)infectiousadj.传染性的[例1]Thesevirusesaffectchildrenandarehighlyinfectious.这些病毒会侵袭儿童，而且具有很强的传染性。[例2]Infectiousdiseasesarespreadingamongmanyofthefloodvictims.传染病正在遭遇洪灾的许多灾民中扩散。[造句]苍蝇和蚊子是传染病的传播者。Fliesandmosquitoesarecarriersofinfectiousdiseases.[学问拓展]infectvt. 传染；使感染disinfectvt. 为……消毒；给……杀菌infectionn. 传染；感染[即学即练]单句语法填空①WhenIneededdisinfect(infect)thenursingbottles,Iwouldcomeheretousethemicrowaveoven.②Earinfections(infect)arecommoninpreschoolchildren.eq\a\vs4\al(学问要点5)inone's50s在某人五十多岁时(教材P38)Alfonso,asoft­spokenArgentiniandoctorinhis50s,whohadpreviouslyworkedonEbolaoutbreaksinSierraLeoneandGuinea.阿方索是一位50多岁说话温柔的阿根廷医生，此前曾在塞拉利昂和几内亚探讨埃博拉疫情的爆发。[例1]Hediedwhenhewasinhis50s,mucholderthansomeoftheearlyteenagedancers.他是50多岁去世的，比那些青少年时就去世的舞蹈演员年纪大多了。[例2]Thespeakerwasinhis50s.Hewasinabluelonggownwhichwasfadedtopale.那说话人50来岁，一件青布长袍早洗得褪成了蓝灰色。[造句]不久前，我和50多岁的叔叔在伦敦喝咖啡。IwasrecentlyinLondonsharingacoffeewithmyuncle,who'sinhis50s.[学问拓展]inone'stwenties/thirties 在某人二十/三十多岁时inthe1930s 在二十世纪三十年头[即学即练]单句语法填空①WhenhemovedtoGermanyinthe1930s,hewasalreadyinhissixties(sixty)．②WhenJohnbegantorestorethehouseinthe1960s,nothinghadbeentouchedfor40years.eq\a\vs4\al(学问要点6)nottomention更不必说(教材P39)ItissoinspiringtohavecolleagueslikeWilton,MaisyandAlfonso,nottomentionalltheothersIhaveworkedwith.有哈桑、梅西、阿方索这样的同事，更不用说和我共事过的其他人了，真是太令人鼓舞了。[例1]Wecan'taffordacar,nottomentionthefactthatwehavenogarage.我们买不起汽车，没有车库的事就更不必说了。[例2]Theaudience，nottomentionthebewilderedcast，werenotamused.观众们并没有觉得好笑，更不用说那一头雾水的演员了。[造句]潮湿就令人不舒适，更不必说寒冷了。Thedampnessisuncomfortable，nottomentionthecold.[学问拓展]mentionv．&n. 提到；涉及mentionsth.tosb. 向某人提及某事mentiondoingsth. 提及做某事don'tmentionit 不用谢；别客气make(no)mentionof (没)提及[即学即练]单句语法填空①Nobodymentionedanythingtomeaboutit.②Thestatementmadenomentionofgovernmentcasualties.③Hedidn'tmentiontaking(take)sleepingpillsregularly.SentencePatternseq\a\vs4\al(重点句式1)不定式作表语(教材P38)MymissionwastorelieveEmma,aCanadianspecialistininfectiousdiseasesattheendofherposting.我的任务是在加拿大传染病专家艾玛任职结束后接替她。句式分析：本句中torelieveEmma是不定式短语，在句中作表语。[例1]Tohim，thefirstimportantthingwastosavelives.对他来说，最重要的事情就是挽救生命。[例2]Hiswishistobecomeascientist.他的愿望是当一名科学家。[造句]我们想从实践中学习。Whatwewantistolearnfrompractice.[学问拓展](1)在用不定式作表语的句子中，系动词除be外，还有seem，happen，appear，get，pretend等。(2)句中假如主语部分有实义动词do的各种形式，作表语的不定式事实上是do的引申，即表示do所做的内容，这时不定式可省略to。[即学即练]单句语法填空①TheonlythingIcandonowis(to)go(go)onbymyself.②Heappearstohavecaught(catch)cold.eq\a\vs4\al(重点句式2)Itisthefirst/secondtime＋从句(教材P40)ItisnotthefirsttimetheauthorhasworkedwithMSF.这不是作者第一次与无国界医生合作。句式分析：本句中itisthefirsttime后面跟从句，从句谓语用现在完成时；假如前面换为was，从句谓语用过去完成时。[例1]ItisthefirsttimethatIhavethecouragetowritesomethinginEnglishinmyblog.这是我第一次有志气在博客上用英文写点东西。[例2]ItisthefirsttimethatIhaveeverseenamansoyoungandsowise.我是第一次看到这么年轻而又聪慧的人。[造句]这是她一生中第一次住在城市里。Itisthefirsttimethatshehaseverlivedinacityinherentirelife.[学问拓展](1)it'stimetodosth.是做某事的时候了。(2)it's(high)timethat...是做某事的时候了(从句谓语用shoulddo或一般过去式)[即学即练]单句语法填空①Youhavenowfinishedyourfirstsprint,soit'stimetostart(start)onthenextone.②It'stimethatweshouldtake/took(take)actionanddoourbitsfortheAIDSpatients.教材高考1.Butitisvitalnottotakeanychances.(2024·天津卷)Understandinghistoryisvitaltounderstandingourselvesasapeopleandasanation.2.IknewIwasputtingmylifeatrisk...(2024·江苏卷)Thereportfoundthatyoungstersfelttheirfriendshipscouldbeatriskiftheydidnotrespondtosocialmediapostsquickly,andaroundtheclock.3.Itassistspeoplebasedonneed,regardlessofwhichcountrytheyarefrom.(2024·全国卷Ⅰ)Heassistsherincookingmatters.Ⅰ.单句语法填空1．Hecalledandcalledbutnoonecametohisassistance(assist)．2．Yourofferistempting,butIcan'trisklosing(lose)myjobtodoit.3．Hedoesnotseemtobeanoldmaninhiseighties(eighty),consideringhisappearance.4．Heisdevotedtoeducating(educate)theyoungergeneration,andcontenttobe,sotospeak,arungofthehumanladder.5．Ourfirsttaskwastocreate(create)anewadministrativesystem.6．ThisisthefirsttimethatIhavefelt(feel)reallyrelaxedformonths.7．Didshemakeanymentionofhavingseen(see)me?8．Peoplecatchallkindsofinfections(infection)inwinter.9．Intheuniversityyoucanspecializeinthehumanitiesorthenaturalsciences.10．Asaparent,itisvitalthatyoushouldteach(teach)yourchildthevalueofmoney.Ⅱ.短语填空atrisk；nottomention；inhis50s；assist...with；devotionto1．Thesetoolscanthenassistyouwithproblemresolution.2．Theirlackoftrainingcouldputmembersofthepublicatrisk．3．WhenMarxwasalreadyinhis50s,hefounditimportanttostudythesituationinRussia.4．Nevertheless,heshowedgreataffectionanddevotiontohismaster.5．Hehastwobighousesinthiscountry，nottomentionhisvillainFrance.Ⅲ.课文语法填空W