高三英语一轮复习外研版（2019）必修第三册Unit 3 反馈案

必修三Unit3Theworldofscience反馈案（20mins）1.Learningaims(教学目标)1.Summarizetheusageofbasicwordsandphrases.2.Reviewthegrammar:tense（完成时态）2.Teachingimportantpoints(重点)Memorizethevarietyofthekeywords.(desirebeyondsignificantattachintermsof强调句型)3.Teachingdifficultpoints(难点)动词的时态与被动语态Grammar[归纳用法]一、现在完成时被动语态的构成现在完成时被动语态的结构为has/havebeendone，使用hasbeendone时主语为单数，使用havebeendone时主语为复数。二、现在完成时被动语态的概念现在完成时被动语态强调一个发生在过去的被动性动作，它有两层意思：(1)动作已经完成，强调对现在造成的影响或结果：(2)主语与谓语动词之间为被动关系。如：Ourclassroomhasbeencleaned，youneedn'tcleanitnow.我们的教室已经被打扫过，你现在没必要再打扫了。Theseflowershavebeenwatered，youcangohome.这些花已经被浇水了，你可以回家了。[即时训练]把下列句子改成被动句。1．Wehavecleanedourclassroom.→______________________________.2．Hehassoldoutallhisbikesintheshop.→_____________________________________3．Hehasn'tfinishedhishomework.→__________________________________________4．Grandmahastakencareofthechildalltheseyears.→_______________________________________________5．Hehasrepairedthemachinefortwohours.→__________________________________________________巩固训练Ⅰ.单句语法填空1.Papermoney___________(use)foroverathousandyears.2.Greatchanges_____________(take)placeinmyhometownandalotoffactories_______________(set)up.3.Thisbook___________(translate)intomanylanguagesuptonow.4.Thefire______(get)tothefifthfloor.Iwonderwhetherallthepeople___________(save)．5.—Wewanttositatthetablenearthewindow.—I'msorry，butit___________(take)already.6.Someofthechapters(章)___________(read)bymanystudents.7.Whydon'tyougotothebookstoretobuysomebooks？Manynewbooks___________(bring)there.8.Thismonthtillnow，threefilms___________(show)inthatsmallvillage.9.Doyouknowthethief___________(catch)bythepolice?10.Mysisterisworkinginthepowerplantthat________________(use)forjustoneyear.11.Itisthefirsttimethathe(praise)byhiscoach.12.Recentlythefloorofthehall(mop)wellbutthewindowisstilldirty.13.Sofar,manypartsoftheGreatWall(repair).14.Uptonowmorethanfivecities(strike)bythetyphoon.15.Allthemeasures(take),sowecandonothingbutwait.16.Muchattention__________________(pay)byTomtohishandwritingsincetheteacherwarnedhimofit.总结：现在完成时态标志：II.语法填空1.Mr.Blackisaspecialistinchemistry.__________addition,heisafamouswriter.2.Onreturninghome,shefoundanote_____________(attach)tothedoor,reading"Callinlater”.3.Lucywasdeepinthought,tryingtocomeup_________aplantoreducecostsofproduction.4.Actually,allofusdesire___________(achieve)success,butsometimesouractionsdon'tcorrespondwithwhatwedesire.5.Themeetingyouattendedlastmonthwasofgreat_______________(significant)foryourfuture.6.Caringforelderlyparentscantakegreateffortsemotionallyandphysically,andthefinancialchallengescansometimesseem____________ourability.7.Manyofthescientistsandengineersarejudged________termsofhowgreattheirachievementsare.8.Butsoldierswhodonothavemedicaltrainingmaynotknowhowtohelptheir__________(injure)friends,9.Weshouldhelpthosewhoare___________(capable)oftakingcareoftheirpersonalaffairs.10.Thanks_____theinventionofthemobilephone,peoplecannowkeepintouchwitheachotherquiteeasily.III.句式升级1.当谈到发展我们的经济时，我们必须考虑环保。(accouno)Whenitcomestodevelopingoureconomy,wemust___________________________________________我们的政府现在非常重视教育，这使许多人能够受到良好的教育。(attach)Ourgovernment________________________educationnow,which______________________________吉姆脸上滿意的微笑表明他已经得到了那份工作。(suggest)ThesatisfiedsmileonJim'sface__________________________________________________________4.Heconcentratedhismindonhisworkanddidn'tnoticemyappearance./