2024-2025学年新教材高中英语Unit3TheworldofscienceSectionⅡUsinglanguage学案外研版必修第三册

PAGEUnit3TheworldofscienceSectionⅡUsinglanguage【学习目标】1．语言学问：injure,accurate,cure现在完成时的被动语态。2．语言技能：能恰当运用现在完成时的被动语态描述事务；能够讲解并描述一项独创背后的故事，学会运用感叹句。►第一版块：重点词汇诠释1.injurev．使受伤，弄伤(教材原句)Anditisnotjusthumanswhoarebenefiting—inBrazil,peoplehavegivenanew3D­printedshelltoaturtleinjuredinaforestfire!而且不仅仅是人类受益——在巴西，人们给了一只在森林大火中受伤的乌龟一个新的3D打印的龟壳！联想拓展：1．与injure意义相近的词：harmvt.损害；损害hurtv．使受伤woundv．损害2．与injure意义相反的词：curevt.治愈healv．治愈[即学即练]单句语法填空(1)Hesufferedsevere________(injure)totheheadandarms.(2)Itisreportedthatthe________(injure)havebeentransferredtolocalhospitalsfortreatment.

2.accurateadj.精确的；精确的；逼真的(教材原句)HealsodevelopedacalendarwhichisasaccurateastheGregoriancalendar.他还研制了一种和公历一样精确的历法。[经典例句]①Hearsaydefinitelycan'tberegardedasaccurateinformation.道听途说的决然不能算作精确的信息。②Herreportofwhathappenedwasaccurateineverydetailofthefacts.她对发生的状况的报道在事实的每项细微环节方面都精确无误。③HecanspeakEnglishfluentlyandaccurately.他能精确流畅地说英语。[即学即练]完成句子(1)精确地说，有205名记者参会了。________________，205reportersattendedthemeeting.(2)我们希望在预料地震方面变得更加精确。Wehopetobecome________predictingtheearthquakes.(3)须要核实这些数据的精确性。Thereisaneedtocheckthe________ofthesefigures.联想拓展：与accurate意义相近的词：correctadj正确的exactadj.精确的rightadj.正确的好句助记：Itisverydifficulttomakeanaccurateprognosis.很难对疾病作出精确的预料。3.curevt.治愈；治好，n.疗法，治疗(教材原句)Currently,there'snocureforAlzheimer's,butscientistsareresearchingwaystoimprovethequalityoflifeforpeoplelivingwiththedisease.目前，还没有治愈阿尔茨海默病的方法，但是科学家们正在探讨改善患有这种疾病的人的生活质量的方法。(1)curesb.ofsth.治好某人的病；矫正某人的不良行为(2)acureforsth.某疾病的治疗方法takeacure接受治疗seekacure寻求治疗[经典例句]①Tomysatisfaction,thismedicinecuredmeofmycold.让我感到满足的是，这种药治好了我的感冒。②Parentstrytocuretheirchildrenofbadhabits.父母努力订正孩子的不良习惯。③Thegovernmentistryingtoseekagoodcureforunemployment.政府正在努力找寻解决失业的好方法。[即学即练]单句语法填空/完成句子(1)Althoughthismedicinecancureyou________yourillness，ithasabadeffectonyou.(2)Noonehasfoundacure________thecoldsofar.(3)Manybadhabitscanbeespecially________(难以订正)becausetheyarelikelytohavebeenformedataveryyoungage.选词填空(cure/treat/heal)(4)Hewassenttohospitalaftertheaccident.Fortunately,itdidn'ttakealongtimeforthewoundsto________.However,hestillsufferedfromheadache.Thedoctor________hisheadachewithanewdrugbutdidn't________him.联想拓展：①及物动词的用法：Youcuredmecompletely.你完全治愈了我。Habitcureshabit.以毒攻毒。②不及物动词的用法：Thewoundcureseasily.这种伤很简单痊愈。好句助记：Somepatientsarepeculiarlydifficulttocure.有些病人特殊难治愈。

►其次版块：语法——现在完成时的被动语态一、结构确定式主语＋have/hasbeendone...否定式主语＋have/hasnotbeendone...一般疑问式Have/Has＋主语＋beendone...？特殊疑问式疑问词＋have/has＋主语＋beendone...？Theconstructionofthebridgehas_not_been_finished.桥的建设还没有完成。Hasthedateforthenextmeetingbeen_decided?下次会议的日期已确定了吗？Howlonghasthebatterynotbeen_changed?电池多久没有更换了？[即学即练](1)句型转换Thechildrenhavealreadybeentoldthegoodnews.①将上面的句子变为否定句。________________________________________________________________________________________________________________________________________________②将上面的句子变为一般疑问句。________________________________________________________________________________________________________________________________________________③将上面的句子对thechildren进行提问。________________________________________________________________________________________________________________________________________________(2)完成句子①很愧疚，这些信件还没有被打印出来。I'msorry,buttheletters____________________yet.②这项安排已被探讨了近两个小时了。Theplan____________________fornearlytwohours.③从那时候起，她就没来过信。She________________________sincethen.二、用法1．现在完成时的被动语态同它的主动语态一样，强调过去的动作对现在造成的影响或结果，通常与already,yet,just,never,recently等副词连用。Themachinehas_already_been_repaired.机器已经修好了。2．表示一个被动的动作或状态起先于过去，持续到现在，并可能持续下去，常与for或since引导的时间状语连用，或用于“Howlong...？”句型中。Financialproblemsofthecompanyhave_been_discussed_fornearlytwohours.公司的财务问题已被探讨了近两个小时了。Howlonghas_this_film_been_shown?这部电影已放映多长时间了？3．用在时间或条件状语从句中，表示将来某时已完成的动作，即用现在完成时的被动语态代替将来完成时的被动语态。Youshouldn'tleaveschoolbeforeyourhomeworkhas_been_finished.在你的作业没完成之前你不应当离开学校。名师点津常与现在完成时连用的时间状语：already已经yet已经recently/lately最近sincethen从那时起eversince自那以来ever曾经sofar迄今为止foralongtime很长一段时间bynow到现在为止inrecentyears在最近几年里in/during/overthepast/lastyears在过去的几年里[即学即练](1)用现在完成时的被动语态改写句子①Theyhavefoundagoodplacetobuildatempleinthevillage.→Agoodplace________________tobuildatempleinthevillage.②Wehaven'tyetdecidedhowtosolvethatdifficulttechnologicalproblem.→Howtosolvethatdifficulttechnologicalproblem________________________yet.(2)完成句子①当我的家庭作业完成时我就回家。Iwillgohomewhenmyhomework________________.②纸币已被运用了1000多年了。Papermoney____________________________________.三、留意事项1．只带有一个宾语的动词变为被动语态时，将主动语态的宾语变为被动语态的主语。Hisbosshasalreadypunishedhim.→He_hasalreadybeen_punished_(by_his_boss)．2．带有双宾语的动词，如give,send,bring,take,teach,show,tell,make,sing,write,read,sell,buy,pay,lend,pass,promise等，变为被动语态时，一般将间接宾语变为被动语态的主语，若将干脆宾语变为被动语态的主语时，间接宾语前面要用相应的介词。Thecompanyhasgivenhimachancetoworkabroadrecently.→He_has_been_givenachancetoworkabroadrecently(bythecompany)．→A_chancetoworkabroadhas_been_given_to_himrecently(bythecompany)．[即学即练]将下面句子变为被动语态(1)Ihaveaskedhertohelpyou.→________________________________________________________________________________________________________________________________________________(2)Wehaveplantedmanytreesonthehillinthelast5years.→________________________________________________________________________________________________________________________________________________(3)Hehassentmeane­mail.→________________________________________________________________________________________________________________________________________________→________________________________________________________________________________________________________________________________________________Ⅰ.单句语法填空1．Morethan100famousfilms________________(show)inthecitysinceJuly.2．Sinceyourwork________________(finish),youcanhavearestnow.3．Howmanycars________________(produce)inthefactorysince1990?4．Threenewschools________________(open)inourcityinthepastfiveyears.5．It'sthefirsttimethatthecomputer________________(check)sinceIboughtit.6．Greatchanges________(take)placeinmyhometowninthepasttenyears.7．—Wewanttositatthetablenearthewindow.—I'msorry,butit________________(take)already.8．It'ssaidthatthebridge________________(close)forrepairsformonths.9．Ourclassroom________________(clean),youneedn'tcleanitnow.10．Uptonow,I____________(finish)two­thirdsofthework.Ⅱ.将下列句子变为被动语态1．Jack'sbosshasalwayspraisedhimforhisdevotiontowork.→________________________________________________________________________________________________________________________________________________2．Theprogrammerhasprogrammedtherobotstoactjustlikehumanbeings.→________________________________________________________________________________________________________________________________________________3．Theyhaveputthecomputerintoarobot.→________________________________________________________________________________________________________________________________________________4．Wehavealreadyfinishedthework.→________________________________________________________________________________________________________________________________________________5．Hehasgiventhechildsomeinterestingbooks.→________________________________________________________________________________________________________________________________________________6．Havetheyreturnedthebookyet?→________________________________________________________________________________________________________________________________________________7．Thetyphoonhasdamagedthebridgesbecauseofitsstrongwind.→________________________________________________________________________________________________________________________________________________Ⅲ.完成句子1．他已被选择出来参与运动会。He________________totakepartinthesportsmeeting.2．桥的建立还没有完成。Theconstructionofthebridge____________________.3．问题还没有解决。Theproblem____________________yet.4．很愧疚，但这些信件还没有被打印出来。I'msorry,buttheletters____________________yet.5．这项安排已被探讨了近两个小时。Theplan____________________fornearlytwohours.6．去度带薪假的时间和地点尚未确定。Whenandwheretogofortheon­salaryholiday____________________yet.7．这些男孩们多次被告知不要在那个湖里游泳。Theboys________________manytimesnottoswiminthatlake.8．在你的作业没完成之前你不应当离开学校。Youshouldn'tleaveschoolbeforeyourhomework________________.9．在新技术的帮助下，在过去的几年里越来越多的新物质被发觉。Withthehelpofnewtechnology,moreandmorenewsubstances____________________inthepastyears.eq\x(温馨提示：请完成课时作业八)SectionⅡUsinglanguage核心突破·互动探究第一版块：重点词汇诠释1．(1)injuries(2)injured2．(1)Tobeaccurate(2)moreaccuratein/at(3)accuracy3．(1)of(2)for(3)difficulttocure(4)heal;treated;cure其次版块：语法——现在完成时的被动语态[即学即练]一、(1)①Thechildrenhaven'tbeentoldthegoodnews.②Havethechildrenbeentoldthegoodnewsyet?③Whohasbeentoldthegoodnewsyet?(2)①haven'tbeentyped②hasbeendiscussed③hasn'tbeenheardfrom二、(1)①hasbeenfound②hasn'tbeendecided(2)①hasbeenfinished②hasbeenusedforoveronethou