選擇性必修二Unit4核心詞匯句式拓展及鞏固練習(xí)核心詞匯1assistv．協(xié)助，幫助單句語法填空(1)Asanassistant,heassiststheprofessorwiththeexperiment.Andhisassistancemakestheexperimenteasiertodo.(assist)(2)Youwillbeemployedtoassistin/withthedevelopmentofnewequipment.(3)Theguidemanagedtoassistthetouriststofind(find)acomfortablehoteltolivein.一句多譯在老師的幫助下，我逐漸適應(yīng)了學(xué)校生活。(4)Withtheassistanceofmyteacher,Igraduallyadjustedtotheschoollife.(介詞短語)(5)Assistedbymyteacher,Igraduallyadjustedtotheschoollife.(分詞作狀語)要點歸納(1)assistsbindoingsth/todosth幫助某人做某事assist(sb)with/insth幫助(某人)某事(2)assistancen.幫助；協(xié)助withtheassistanceof...在……的幫助下beofassistancetosb有助于某人turntosbforassistance向某人求助(3)assistantn.助手，助理；售貨員2vitaladj.極其重要的，必不可少的單句語法填空(1)(2019·天津卷)Understandinghistoryisvitaltounderstanding(understand)ourselvesasapeopleandasanation.(2)What'smore,somedrivers,cyclistsandpedestriansdonotthinkitvitaltoobey(obey)trafficrules.補全句子(3)Besides,it'svitalthatyou(should)mindyourtablemannersinChinawhenyouattendadinnerparty.此外，在中國，當(dāng)你參加晚宴時，注意餐桌禮儀是至關(guān)重要的。要點歸納(1)bevitalfor/tosth對……極為重要beofvitalimportanceto...對……至關(guān)重要(2)Itisvitalthatsb(should)dosth.……是極重要的。3relievev．給(某人)換班；解除；減輕，緩解(疼痛或不快的感覺)；調(diào)劑，使有趣單句語法填空(1)Yoursuggestionsarehelpfultomebecausetheyrelievemeofmypressurefromschoolwork.(2)Wewererelieved(relieve)tohearthatshewasoutofdanger.(3)Seeinghersonreturnhomesafely，shesmiledinrelief(relieve)．一句多譯令父母感到寬慰的是，孩子們安全地到家了。(4)Totheparents'relief,theirchildrenarrivedathomesafely.(5)Tothereliefoftheparents,theirchildrenarrivedathomesafely.要點歸納(1)relievesbof...解除某人的(負擔(dān)、職務(wù)等)(2)reliefn.減輕，緩解；寬慰，輕松toone'srelief＝tothereliefofsb令某人感到欣慰的是inrelief如釋重負；松了口氣Itisarelieftodosth.做某事很放心/舒心。(3)relievedadj.感到寬慰的，放心的4compensatev．彌補，補償單句語法填空(1)Theinsurancecompanywillcompensateyouforyourlossinthedisaster.(2)Hereceivedalargesumofmoneyascompensation(compensate)forhislossinthefire.補全句子(3)Nothingcancompensateforthelossoftime.沒有什么能彌補失去的時間。要點歸納(1)compensatefor賠償，補償compensatesbforsth因為某事補償某人(2)compensationn.補償，賠償；賠償金，補償金5collaboratev．合作，協(xié)作單句語法填空(1)Wehavecollaboratedcloselywiththeuniversityonmanyprojectsforovertenyears.(2)Thetwocompaniesareworkinginclosecollaboration(collaborate)witheachother.補全句子(3)Weattachgreatimportancetotheclosecollaborationwithyourcompany.我們非常重視與貴公司的密切合作。要點歸納(1)collaboratewithsbonsth和某人在某事上合作collaboratewithsbindoingsth和某人合作做某事(2)collaborationn.合作，協(xié)作incollaborationwith與……合作6rewardingadj.值得做的；有益的；有意義的；有報酬的單句語法填空(1)(2020·浙江卷)FromBellevue'ssuccess,wecanlearnitisrewarding(reward)totrynewthings.(2)(2021·全國乙卷)Tomanypeople,savinglivesispartofthejobbutstylinghairisanextraandshouldberewarded(reward)．翻譯句子(3)我很樂意帶你游玩北京，以報答你的慷慨相助。I'mmorethanwillingtoshowyouaroundBeijinginrewardfor/asarewardforyourgeneroushelp.要點歸納rewardv.酬謝；獎勵，獎賞n.獎金；回報；報酬rewardsbfor(doing)sth因(做)某事而獎賞/酬謝某人rewardsbwithsth用某物獎賞/回報某人inrewardfor為獎賞……；為報答……asarewardfor作為對……的獎賞/回報7dedicatev．致力于，獻身于單句語法填空(1)ZhongNanshanfeltthatmedicinewasthemostimportantcausethathecoulddedicatehimselfto.(2)Chinawillcontinuetobededicatedtopromoting(promote)internationalcooperationinthisarea.(3)Theteacher'sdedication(dedicate)toteachinggainedtherespectofallhisstudents.一句多譯50多年來，樊錦詩一直致力于保護和研究莫高窟。(4)FanJinshihasdedicatedherselftoprotectingandresearchingtheMogaoCavesformorethan50years.(5)FanJinshihasbeendedicatedtoprotectingandresearchingtheMogaoCavesformorethan50years.要點歸納(1)dedicateoneselfto(doing)sth致力于(做)某事，獻身于(做)某事(2)dedicatedadj.獻身的；專心致志的；一心一意的bededicatedto(doing)sth致力于(做)某事，獻身于(做)某事(3)dedicationn.獻身，奉獻8invain白白地用in的相關(guān)短語填空(1)Everyoneisbuyingmoreclothesbutingeneralwearenotspendingmoremoneyonthem.(2)Shelovesthesonginparticular,becausehermotherusedtosingit.(3)Iknowyouhavemuchtime.Pleasetellusaboutthenewsindetail.補全句子(4)Alleffortswillbeinvainifwecan'tlearnEnglishbypractisingrepeatedly.如果我們不能通過反復(fù)練習(xí)來學(xué)習(xí)英語，所有的努力都將是徒勞的。要點歸納ingeneral總的來說；通常indetail詳細地indanger處于危險中inparticular特別地；尤其9influentialadj.有影響力的單句語法填空(1)Confuciusisconsideredtobeoneofthemostinfluential(influence)figuresinChinesehistory.(2)(2020·新高考Ⅰ卷)Totesttheeffectofsocialinfluenceon/uponeatinghabits,theresearchersconductedtwoexperiments.(3)Undertheinfluenceofahighschoolbiologyteacher,hetookupthestudyofmedicine.(4)Whatinfluencedyoutochoose(choose)acareerinnursing?補全句子(5)WatchingTVforalongtimehasagreatinfluenceon/uponchildren'shealth.長時間看電視對孩子的健康有很大的影響。要點歸納(1)beinfluentialin(doing)sth對(做)某事有影響(2)influencen.影響，作用v.影響，對……起作用haveaninfluenceon/upon對……有影響undertheinfluenceof...在……的影響下influencesbtodosth影響某人去做某事核心句式句型公式：Itis/hasbeen＋一段時間＋since...單句語法填空(1)IthasbeenthreeyearssinceIgraduated(graduate)fromcollege.(2)Itwillbesometimebeforeeveryoneaccepts(accept)hisidea.(3)ItwasalreadymidnightwhenIreturnedhomefrommyofficelastnight.(4)Itisusuallyat5：30pmthatthestudentsbegintohavesportsatschool.句型轉(zhuǎn)換(5)Ihavebeenlearningwoodcarvingforhalfayear.→Itis/hasbeenhalfayearsinceIbegantolearnwoodcarving.(6)Afterashorttime,we'lladapttothenewenvironment.→Itwillbeashorttimebeforeweadapttothenewenvironment.要點歸納(1)Itis/hasbeen＋時間段＋since...意為“自從……以來已有一段時間了”。since引導(dǎo)的時間狀語從句常用一般過去時。(2)Itwas＋時間段＋before...過了多久才……(3)Itwasnotlong＋before...沒過多久就……(4)Itwill(not)be＋時間段＋before...要過多久才……/不久就……(5)It＋is/was＋時間狀語＋that＋其他(6)Itis/was＋時間點＋when引導(dǎo)的定語從句或時間狀語從句(1)since引導(dǎo)的從句中的動詞常用非延續(xù)性動詞，翻譯時是肯定的，表示“自從……以來已有多久了”。It'sbeenamonthsinceIcametothisnewschool.自從我來到這所新學(xué)校已經(jīng)有一個月了。(2)since引導(dǎo)的從句中的動詞若為延續(xù)性動詞，則翻譯是否定的，即動作發(fā)生時間的起點應(yīng)從從句動作結(jié)束時算起，表示“自從某動作結(jié)束以來已有多久了”。It'salreadyayearsincehelivedhere.自從他不住在這兒以來已有一年了。鞏固練習(xí)一）用所給詞的適當(dāng)形式填空1．(2021·新高考Ⅰ卷)Totheirrelief(relieve),withtheguidanceofFather,theysuccessfullymadethebreakfast.2．(2020·新高考Ⅰ卷)Thetestsshowthatthesocialenvironmentisextremelyinfluential(influence)whenwe'remakingdecisions.3．(2019·天津卷)Itwouldhelpshapearealistic(realize)andseriousattitudetolife.4．So,itmaybeonlyaminority(minor)ofyoungpeoplewhoplayclassicalinstruments.5．Podelladmitsthatshewasdoubtfulatfirst,butnowshedescribestheprojectasmutually(mutual)beneficial.6．Toavoidsuchconflicts,weshouldbekindtooneanother,whichisessentialtoenjoyaharmonious(harmony)life.二）固定用法和搭配1．Enoughsleepisvitalfor/tothestudents'