资源描述
Unit19,ModernAgriculture,更多资源,Task1:Brainstorming,Whatwillyouthinkofwhenyouseetheword“agriculture”?,agriculture,Step1,water,farmer,tool,field,seed,machine,cotton,sugar,fish,%,%,Growthofmajorproducts1991-95comparedwith1986-90percentage,1.Whatisthegraphabout?,Itisaboutthegrowthofthemajorfarmproductsduringtheyear1991-95comparedwiththatof1986-90.,2.Whatisshownonthex-axisandy-axis?,Onthex-axis:themajorfarmproducts.Onthey-axis:thepercentagesofgrowth.,3.Whichfarmproductgrewmostduringthefirstfiveyearsofthe1990s?,Fruit.,4.Howmuchdiditgrowcomparedwiththatduringthelastfiveyearsofthe1980s?,90percent.,更多资源,5.Whichfarmproductgrewleast?,Grain.,6.Ifthreemillionpigs,sheepandcattlewereraisedduringtheyearsfrom1986to1990,howmanywereraisedfrom1991to1995?,4.9million.,3.FurtherdiscussionWhatconclusioncanyoudrawfromthegraph?,Peopleeatmoremeatbecauseof_,Peopleeatmorefishbecauseeatingfishdoesntmakethemas_aseatingmeat,Peoplehaveabetterknowledgeofhealthydietsotheyeatmore_.,Leadto,Thechangingeatinghabits,beingrich,fat,fruit,Thechangingeatinghabits,Haveeffectson,Agricultureandnature,Suchas,Needtoraisemore_,pigs,Needtogrowmore_,grain,Needmore_inwhichtoraisefish,fishponds,Growmorefruittreeswhichwillbearmorefruits,Cutdownforests,burngrass,usechemicals,Task4Pre-listening,Agriculturedependson?,Question:Ifwechangedthestructureofagriculture,whatdoyouthinkwillhappentothenature?,weather&climate,places,othernaturalresources,water,Floodsordroughts,soilerosion.,Listentothetape.Thepassageyouheartalksabout()historyoffarming()protectionofnature()environmentalproblems()farmersinAmerica()farmersinChina()trees()fishing()pigs()dikes,2Whichofthefollowingsentencesaretrue(T)andwhicharefalse(F)?1InearlytimesfarmersinChinamovedaroundandburntforests.()AllfarmersinSouthAmericaburnforeststocreatefarmland.()Floodsanddroughtsaredisastersthatfarmerscannotstop.()4SomeofthelandinChinaistoowettogrowcrops.()5Fishfarmersdamagenature.(),T,F,F,T,F,dontdamagenature.,Some,can,3Listentothetapeandcompletethesentencesbyusingyourownwords.Whenfarminggoesagainstnature,_problemsaretheresult.Theearliestfarmers_nature.Theirwayofagricultureledto_and_.Itisanoldtruththat_shouldnot_nature.ThelandthatTanandXiaoZaoboughtwastoo_andcouldnotbeusedfor_.insteadtheychangedthefieldsinto_.Ontheirfarmtheykept_andgrew_.,environmental,destroyed,floods,droughts,farming,goagainst,wet,farming/growingcrops,fishponds,fish/ducks/chickens,fruittrees,Listeningtext,Farmingandnatureareliketwoflowersonthesametree.Whenfarminggoesagainstnature,allkindsofenvironmentalproblemsaretheresult.Inancienttimes,whenpeoplebeganusingtheland,farmingwasnotasitistoday.Earlyfarmersmovedaroundthecountry.Theyburntapartofaforestandusedthislandforoneortwoyears.Whentheycouldnolongergrowcropsonthelandtheymovedonandrepeatedthissomewhereelse.Agricultureinthiswaydestroysnatureandresultsinfloodsanddroughts.SomepeopleinSouthAmericastillpractisethiskindoffarming.,Overthepasttwentytotwenty-fiveyears,farmershaverecognisedsomeoldtruths,alreadyknowntoancientChinesefarmers.Farmingshouldnotgoagainstnature.Ifthesoilistoopoor,chemicalscanhelpimproveitandgrowbettercrops,butthismaydamageordestroylandsurroundingthefarms.Instead,farmersshouldlookforothermethods.Intheearly16thcentury,brothersTanandXiaoZaoofJiangsuProvincecheaplyboughtfieldsalonglakesnobodywantedbecausetheyweretoowet.Theybuiltdikesaroundthefieldsturningthefieldsintofishpondsandtheybecamefishfarmers.Theyalsoplantedfruittreesonthedikesandkeptchickensandducks.Theywereverysuccessfulfarmers.,WorkbookPage107,1.WhatisHelensjob?2.Whatdoyouthinksheisgoingtodo?3.Whatwouldshebedoingeverydayinherjob?,Sheis(probably)afishwoman.,Ithinksheisgoingtoopentheboxesandfeedthefish.Or:Ithinksheisonherwaytothemarkettosellthefish.,1)gooutintheboatandseeifanythingiscaughtinthenets2)bringinthefishandthrowoutthenetsforthenextcatch3)thefishmustbebroughttoland.4)Thefishshouldbekeptinbigboxesfullofwater,sotheydontdie.,1.Wefeedthe_.2.We_thetanks(水箱).3.Weget_outofthebestofthe_.4.Whenthe_arebigenough,weputthemin_inthesea.5.Whenthe_havegrowntotherightsize,we_them,freezethemor_them.6.Wetakethembytrucktothenearest_.,fishtwiceaday,produceourownfishfromeggsin,theeggs,largefish,fish,cages,fish,harvest,smoke,market,Whydotheyhavetotiethecagestotherocksonthebottomofthesea?Whydotheysmokeorfreezeallthefish?3.Whydotheyburntheirownwood?4.Whydotheysmoketheirfishthemselves?,Thecageshavetobetiedtothebottomoftheseabecauseitiswindy.,Becausethefishfarmisalongwayfromthenearestmarket.,Becauseinthatwaytheygetagoodstrongsmoke.,Becausetheygethigherpricesforsmokedfish.,Listeningtext,Hello,mynamesHelenandIliveonthewestcoastofCanada.Iworkonafishfarm.RightnowImfeedingthefish,whicharekeptincagesinthesea.Thecagesaretiedtotherocksonthebottomofthesea.Itcangetverywindyhere.TwiceadayIputthefishfoodintheboatandgoouttothecages.Thefisharealwayshungry!Whenthefishhavegrowntotherightsize,wepullthecagesoutofthewater.Thefisharekilledandcleaned.Ourfishfarmisalongwayfromthenearestmarket.Soweeitherfreezethefishorsmokethem.Wedontsaltanyfishhere.Somefishfarmsdo,butwedont.,Threeofusworkhereandtheresalwaysalottodo.Insidethatbuildingovertherewehavetanksfortheyoungfish.Weproduceallourownfishfromeggs.Thefishstarttogrowinfreshwater.Then,whentheyarebiggertheygointothesea,whichissalty,ofcourse.Theresalwaysalotofworktodo:feedingthefish,cleaningthetanks,gettingeggsoutofthebestofthelargefish,harvestingthefish,cleaningthemandsmokingthem.Weburnourownwoodandthatwaywegetaverygoodstrongsmoke.Itsmorework,butwegethigherpricesforoursmokedfish.,Givingadviceandmakingdecisions:Inmyopinion,youshouldIthinkheisrightIfIwereyouWouldntitbebetterif?Wecantdoboth,soTheotherideasoundsbettertomeWehavetomakeachoice.AsfarasIcansee,thebestthingwouldbeto,
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