高一英语课件Unit 19 Modern agriculture

Unit19ModernAgricultureWelcometomyclass!1.overprep.KeypointsinUnit192.doyouthink4.Itis/was…that…3.possibleadj.5.as...aspossible6.wherepossible7.bringin8.dependon…9.aswellas…

10.protectfrom...11.avarietyof12.discoveredby13.beforesowing14.happenvi.15.effectn.16.timesn.pl.17.movearound/about18.too...to...19.damage&destroy20.makeadecision21.suchasforexample22.

electricadj.23.makeuseof24.beharmfulto...25.standfor26.inotherwords27.goagainst28.nearly&almostLet'shaveatalkoveracupoftea.1.overprep.WillyoubeathomeoverChristmas?Overtheyearshe'sbecomelazierandlazier.Ourfarmhasconsistentlygatheredingoodharvestsoverthepastfewyears.*Thegirlssangovertheirwork.Tomwassotiredthathewenttosleepoverhiswork.KeypointsinUnit19

Whatisit,doyouthink?2.doyouthinke.g.WheredoyouthinkourEnglishteachercomesfrom?Whodoyouthinktheoldladyis?doyouthink/believe/consider/suppose/imagine/guess/say/suggestbeafraid/sure/glad/certain/surprised/pleasedWhoareyousurewillgetthefirstplaceintheexamination?

e.g.Whatcanyouguessmadeussoworried?Wheredidtheysuggestweshouldgoduringthesummerholidays?Whodoyouthinkwillwininthegame?Whattimedoesthelettersayhewillstart?Whatwasheafraidwouldcausehisfailure?*---Ihaven'theardfromHerryforalongtime.---Whatdoyousuppose_____tohim?A.washappeningB.tohappenC.hashappenedD.hadhappened---Whatdoyouthinktheoceanbottomismadeupof?---Ithinkitismadeupofirregularplains.or:Itismadeupofirregularplains,Ithink.C3.possibleadj.e.g.Hearrivedattheworstpossibletime.moMoneyorlife?robberywitnessVictimpolicedogThepossiblebeginning:Victim:Thankstogod,you’vecomeatlast!Policeman:Let’sgetdowntothepoint.Youreportedthatyouwererobbed,didn’tyou?wheredidithappen?Victim:Righthere.Policeman:here?atthebankgate?Victim:yes,yes,Itwasatthegateofthebankthat

Iwasrobbed.

…Jia

SixiewroteabookcalledQimin

Yaoshuaround540AD.Itwas

Jia

SixiewhowroteabookcalledQimin

Yaoshuaround540AD.ItwasabookcalledQimin

Yaoshu

that

Jia

Sixiewrotearound540AD.Itwasaround540ADthat

Jia

SixiewroteabookcalledQimin

Yaoshu.4.Itis/was…that…Wasitintheearly1990s(that)thishappened?

that=who/whomItwasthevillageleaderwhodecidedwhattogrowonthefarmland.Itisthepeople,notthingsthataredecisive.Itisfromtheearly1990sthat

scientistestartedtodevelopnewtechniques.强调句型重点练习：1）Itwasnotuntilallthefishintheriverdied_____thevillagersrealizedhowseriousthepollutionwas.A.whenB.beforeC.thatD.whereCThevillagersdidn’trealizehowseriousthepollutionwasuntilallthefishintheriverdied.Notuntilallthefishintheriverdieddidthevillagersrealizehowseriousthepollutionwas.评讲练习：Wedidn’tbeginourchemistryexperimentuntilourteachercame.Notuntilourteachercamedidwebeginourchemistryexperiment.评讲练习：2)Itwas____ourteachercamethatwe____ourchemistryexperiment.A.until;didn'tbeginB.notuntil;beganC.until;beganD.notuntil;didn'tbeginBHoldyourbreathforaslongaspossible.5.as...aspossibleThisnewmethodwasbroughtinfromtheWesterncountriesinthe1990s.6.wherepossible=whereitispossibleFillinthewordsintheblankswherenecessary.Cometoseeherwhenpossible.7.bringin=tousetheskillsofaparticulargrouporperson.Weneedtosendtheletteroffassoonaspossible.Useanumbrellatoprotectyourselffromtherain.8.dependon…Thecountrydependsheavilyonforeignaid.9.aswellas…

BillcanspeakEnglishaswellasFrench.Tomiscleveraswellashealthy.notonly...butalso...BillcanspeaknotonlyFrench,butalsoEtectfrom...Heworeapairofsunglassestoprotecthiseyesfromthesun.Italldepends.=Afterfinishingyourhomework,youcanhelpmewiththefarmwork.11.avarietyof=various,allkindsofTheshophasavarietyoftoys.Sheshowedavarietyofflowers.

=Sheshowedvariousflowers.12.discoveredby...=whichwasdiscoveredby...13.beforesowingorplantingcrops,prep.=beforeyousoworplantcrops,conj.Afteryoufinishyourhomework,youcanhelpmewiththefarmwork.*happenvi.takeplacebreakoutoccurvi14.happenvi.Strangethingsarehappening.Thingsofthatsortarehappeningallovertheworldeveryday.Howdidtheaccidenthappen?Itissaidthatthetrafficaccidentoccurredatmidnight.e.g.Ifanythinghappenedtohim,letmeknow.Thecontesttookplaceyesterday.Afirebrokeoutduringthenight.*happenon/hestreet*sb.+happens+todosth.It(so)happens+that-clauseIhappenedtobetherewhenthefirestarted.Ihappenedtobeatthestationwhenhearrived.Doyouhappentoknowhisaddress?Itsohappenedthatthefamousactorwasherbrother.=Thefamousactorhappenedtobeherbrother.*Theconferencehadbeenheldtodiscusstheeffectsoftourism___thewildlifeinthearea.A.inB.onC.atD.with15.effectn.C/Uhaveaneffectonsb./sth.haveagood/badeffectonsb./sth.e.g.Itwillhavemucheffect.Scoldingsometimesbringaboutanadverseeffectonachild.Themedicinehadagoodeffectonme.Thechildrenweresufferingfromtheeffectsofthehotweather.BinShakespeare'stimeinQueenVictoria'stimethefeelingsofthetime16.timesn.pl.Timeshavechanged,andweshouldn'tfallbehindthem.Whatwonderfultimeswelivein!Wehadterribletimesduringthewar.*timen.sing.Theymovedaboutwhentheylivedinthecountryside.17.movearound/aboutIcanhearsomebodymovingaroundupstairs.Sheismovingaroundinthedressingroom.Heisagreattravellerandhasmovedaboutallovertheworld.Theyseemedtobetoonervousandweretooanxioustoleave.18.too...to...1)too+adj./adv.+todosth.Youaretooyoungtounderstandsuchthings.Theproblemistoodifficultformetoworkout.I'vebeentoobusytofindtimetoanswerthatletter.2)too+adj.+todosth.表心情的adj：ready,glad,pleased,surprised,delighted,happy,easy,easy,eager,thankful,anxious,willing,etc.描述性的adj：good,kind,true,etc.HewastoosurprisedtoseehowangryMarywas.Shewillbeonlytoopleasedtohelpyou.3)only/but/all/simply/just+too...to...Theyarealltoosatisfiedtotaketheopinionsofothers.Englishisnottoodifficulttolearn.4)not/never+too...to...too...notto...Sheistoocarefulnottohavenoticeit.Itisnevertoolatetolearn.=Youcanneverbetoocarefultorideinthestreet.

*5)---Iwasridingalongthestreetandallofasudden,acarcutinandknockedmedown.---Youcanneverbe____carefulinthestreet.A.muchB.veryC.soD.tooDcannever+v.+too+adj.+todosth.（干某事）越...越好Theyhopetodestroyusonebyone;theyshallfail.19.damagevi.&vt.损害；毁掉Smokingcandamageyourhealth.Thislockisdamaged.Thisdoorwillneveropen.Chinadamageseasily.n.CdamagetoFrostcausedheavydamagetothecrops.Hiscarelessremarkdiddamagetohisreputation.What'sthedamage?=cost*destroyvt.Manylivesweredestroyedbytheearthquake.Anexplosiondestroyedthebuilding.makemoney/makegoodmoneymakewar20.makeadecision=arriveat/cometo/reach/takeadecision*makeanattemptmakeachangemakeademandmakeaneffortmakeaface/facesmakeafiremakeaguessmakeamealmakeamistakemakeanoisemakeprogressmakearequestmakeastatementManygreatmenhaverisenfrompoverty---Lincoln,forexample.

21.suchasforexampleIvisitedseveralcitiessuchasNewYork,ChicagoandBoston.Heknowsseverallanguages,suchasEnglish,FrenchandGerman.Ihavethreefriends,thatis/namely,John,JackandTom.Somestudents,forexample,Johnlivesintheneighbourhood.anelectricalfaultinthesystem22.

electricadj.

电的；导电的；能发电的；充电的；用电的；电动的。1）可发电的东西；2）直接靠电力操作或由电力产生的东西，尤指那些也靠其他动力操作的东西。anelectricgenerator/clock/light/wire/shaver/torch/vehicle/bikeAsaboyEdisonwasalwaysmakingthings,andmostofthemwereelectric.*electricaladj.1)=electric2)电器科学的；与（用）电有关的；指人及其工作，或指与电力有间接联系的事物。anelectricalengineeroutofusefindausefor23.makeuseofmakefull/good/thebestuseofYoushouldmakethebestuseofthischance.HemadeuseofhisfreetimetolearnFrench.Youshouldmakefulluseoftime.Hedoesnotdowellbecausehedoesn'tmakethemost/bestofhisability.beinusebeofgreatuseput...tousecomeintousegetuseofhavenouseforwithuse*be+adj.friendly,next,good,polite,kind,cruel,rude,known,married,close,near,similar,due+to24.beharmfulto...Yoursmokingcanbeharmfultothehealthofyourchildren.Muchofthiswasteisharmfultotheenvironment.*do...harm=doharmto...Thetyphoondidgreatharmtothericecrop.Hedidn'twanttodoheranyharm.Westandfirmlyforpeaceagainstwar.25.standfor1)代表，象征Inthissecretcodeeachnumberstandsforaletterofthealphabet.2)容忍、容许（常用于否定句中）Iwillnotstandforbehaviourofthatkindinmyhouse.3）拥护，为......而斗争26.inotherwordsInotherwords,shemustgiveupsinging.I'mnotusedtothewayyouspeaktome.Inotherwords,Idon'twanttocontinueourconversations.Beethovenwrotemanyworld-famousmusicalcompositions.

Inotherwords,hewasagreatmusician.*inword在口头上，句末，句中inwords用语言（来表达），句末ina/oneword简言之，总之，句首，句中 Idon'twantyoutotellmeonlyinwordthatyouwillstudyhard.*Yourperformanceinthedrivingtestdidn'treachtherequiredstandard---_____,youfailed.A.intheendB.afterallC.inotherwordsD.atthesametime

CYoudon'tknowhowwonderfulitis.Itcan'tbedescribedinwords.Inaword,wemustdoourbesttodothework.Thegameisgo