Unit3+Grammar+and+usage+课件+【知识专讲精研】牛津版高中英语选择性必修第二册

Unit3

FitforlifeGrammarandusagePresentperfectcontinuoustenseLead-inReadthepersonalaccountgivenbyagirlwhoisequippedwitharobotichandandfillinthefollowingtable.Page34beequippedwithwithdrawintooneselfleadanormallifegetdressedholdontomoreamazinglybecapableofdoingsth.begratefulfor...openupnewpossibilitiesUsefulExpressions装备有，配备有离群索居过正常的生活抓住不放；握住；控制更加令人惊异的是有能力做某事因而感激开启新的可能性穿上衣服Readandcompletethetable.Beforehavingthenewrobotichand•Thegirlbeganto1.______________________afterlosingherrighthandinacaraccidenttwoyearsago.•Theoldartificialhandcouldnothelphermuchbecause2.__________________________withdrawintoherselfitdidn'tfeellikepartofher闭门不出Readandcompletethetable.Withthenewrobotichand•Thegirlcan4.______________________________andholdontosmallthings.•Thenewrobotichandiscapableof5.____________________________________•Thenewrobotichandlooksverylifelikewith6._______________________________________moveherindividualfingersfeelingvaryingdegreesofpressurespecialrubberusedontheoutsideHowever,allthat3.

whenIwasgiventhechancetotestanewrobotichand.changedchangesWhatarethesechangesbasedon?Scientistshavebeenmakinggreatprogressinrobotictechnologyinrecentyears,andtheirworkonroboticlimbshasreallychangedmylife.Readandcompletethetable.Overthepastthreemonths•Thegirl7.

ofwhatshecandowithhernewhand.Thegirlhasrediscoveredoldhobbies.Forexample,she8.

forherfamilysinceshegothernewhand.•Thegirlhasbecomemore9.__________________________confidentandoutgoinghasbeentestingoutlimitshasbeencookingFindthesentencesusingthepresentperfectcontinuoustense.1.Scientists

havebeenmakinggreatprogressinrobotictechnologyinrecentyears,

...

2.OverthepastthreemonthsI

havebeentestingoutthelimitsofwhatIcandowithmynewhand,...

3....,IhavebeencookingformyfamilyagainsinceIgotmynewhand.A Exploringtherules注意时间标志•Weusethepresentperfectcontinuoustensetotalkaboutanactionthatstartedinthepastandisstillcontinuingnow,oranactionthathasjustfinishedbutisstillconnectedwith(1)_______________(thepast/thepresent/thefuture)insomeway.•Theverbformofthepresentperfectcontinuoustenseis

“(2)______________________

”.thepresenthas/havebeendoingWorkingouttherules现在完成进行时Gothroughthegrammarnotesonpage99.Workingouttherulespresent现在future未来past过去现在完成进行时“一直”Fillintheblankswithproperandcorrectformsoftheverbs.1.Sincelastmonth,Mike,alongwithsomeofhisformerclassmates,_________________(desire)tohavea20-yeargatheringduringthissummerholiday.2.Arecentstudyhasfoundthatthenumberofsmokers__________________(increase)sharplyoverthepastfiveyears.3.We________________(try)tomakeourenvironmentmorebeautifulsincethetimehumankindstartedgardening.hasbeendesiringhasbeenincreasinghavebeentryingPractice1.I__________________(reflect)onthearticleIreadaboutancientmedicineallday.

2.I_________________(wait)fortwohourstoseethedoctorbutitisstillnotmyturnyet.3.Mymother________________(write)areportonthenewtreatmentallmorning.Shehopestofinishittoday.havebeenreflectinghavebeenwaitinghasbeenwriting我整天都在思考我读到的那篇关于古代医学的文章。我一直等了两个小时看医生了，但还没有轮到我。我妈妈整个上午都在写一份关于新疗法的报告。她希望今天完成它4.Thecompany________________(make)herbalmedicinesformorethan100years.5.Scientists________________(do)researchonthediseasesinceitwasfirstdiscoveredintheearly20thcentury.该公司生产草药已有100多年的历史。自20世纪初首次发现这种疾病以来，科学家们一直在对其进行研究。hasbeenmakinghavebeendoingApplyingtherulesB2Belowisanarticleaboutroboticlimbs.Circlethecorrectexpressionstocompleteit.

ApplyingtherulesIt(1)isbeingestimated/hasbeenestimatedthatover30millionpeopleworldwidehavelostarmsorlegs,andmanyofthemfailtogetthehelpthattheyneed.Forsometime,they(2)arehopingfor/havebeenhopingforbetter-qualityartificiallimbs.Fortunately,oneexcitingnewadvancecouldhelpthese

physicallydisabledpeopleleadanormallife

again:roboticlimbs.Overthelastfewyears,scientists(3)havebeendeveloping/willbedevelopingnewkindsofartificiallimbstohelppeopleovercometheirdisabilities.Roboticlimbscandomuchmorethanconventionalartificiallimbs.Someoftheearliestartificiallimbsweremadeofwoodandleather,anduntilrecently,artificiallimbs(4)haveonlyserved/haveonlybeenservingbasicfunctions.DavidJonesisoneofateamofscientistsdevotedtomakingevenbetterroboticlimbs.“We(5)havedone/havebeendoingeverythingwecantoadvancethistechnologyandwewillnottakeoutapatentonit,”saidDavid.“Hopefully,moreandmorepeopleinneedofroboticlimbswillbeequippedwiththemandenjoyahigherqualityoflife.”Withtheadvancementinrobotictechnology,articficiallimbscannowperformmuchmorecomplextasksandcomeclosertorealhumanlimbs.Notonlycantheymakeamuchwiderrangeofmovements,buttheycanalsobecontrolleddirectlybythebrainandfeedsensoryinformationbackintoit.Whatcanroboticlimbsdo?ApplyingtherulesWriteashortsummaryofthearticleinB2usingthepresentperfectcontinuoustense.ApplyingtherulesOverthelastfewyears,scientistshavebeendeveloping

newkindsofartificiallimbstoreplacethetraditionalones,someofwhichonlyservedbasicfunctions.Peoplewhohavebeenhopingforbetter-qualityartificiallimbswillhopefullybeequippedwithroboticlimbswhichcanperformmuchmorecomplextasksandcomeclosertorealhumanlimbs.Besides,oneofthescientistswhohavebeendoingeverythingtoadvancethetechnologyofroboticlimbssaidtheywouldnottakeoutapatentonit,hopingmorepeopleinneedofthemwillenjoyahigherqualityoflife.TopictalkingB3AstudentisinterviewingDavidJonesabouttheresearchhisteamhasbeendoing.Inpairs,role-playtheinterviewusingthepresentperfectcontinuoustense.Thebeginninghasbeengiven.Student:Whathaveyoubeendoing,DrJones?DavidJones:Wehavebeendeveloping...Student:Whathaveyoubeendoing,DrJones?DavidJones:Wehavebeendeveloping

evenbetterroboticlimbsthanthoseavailableatthemoment.Student:

Isitdifficulttodevelopthenewrobotictechnology?DavidJones:

Yes.Ourteamofscientistshavebeendevotingmostoftheirtimetotheprojectandwehavebeendoingeverythingwecantoadvancethistechnology.Student:

That’sgreat!Whyisthistechnologyimportanttoyourpersonally?DavidJones:

Becausemygoalistoequipasmanypeopleaspossiblewhoneedroboticlimbs,andhelpth