高一英语Unit19 Modern Agriculture 新课标人教版课件-豆柴文库

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Unit19ModernAgricultureWhat’stheunitabout?Canyouguess?Agriculturecottonchickens1.Whichfarmproductgrewmostduringthefirstfiveyearsofthe1990s?Step2Lookatthegraphonpage43&answerthefollowingquestions.Period2Newwords:
1.goagainst违背
2.resultin导致…结果
3.floodanddrought洪涝和旱灾
4.recognizesomeoldtruths
认清了一些真理
5.chemicals化学药品
6.method方法
7.dike堤防8.fishpond鱼塘ListeningTask2:listening3Listentothetape&completethesentencesbyusingyourownwords.SpeakingSpeakingFromthegraphweseethattheeatinghabitsinChinahaveimprovedgreatlysincethe1990s.Peoplehavemanymoretochooseasfoodandtheycanalmosteatwhatevertheywant.Theconsumption(消费)offruit,fishandmeatncreasesharplywhilegraintheleastbecausemoreandmorepeopleeatlessgrain.Theyareturningtheireyestomeat,fishandfruit.ThisshowsChina’seconomyisincreasinganditspeopleareecoming
moreandmorerich.Asaresult,peopleareayingmoreandmoreattentiontotheirhealth.Agricultureproducehaschangedoverthe
past10years.Chinanowproduceabout
80%morefishandfruitthantenyearsago.
Theproductionofmeatisupabout60%
overthesameperiod.Oilandsugarhaverisen
by30%each.Thepast10yearshasalsoseen
anincreaseby10%ingrainproductionand
by15%incottonproduction.
Reason:1.Peoplewanttobuydifferentproducts,sofarmersneedtogrowdifferentthings.(changesindemand)
2.Farmerswanttomakemoremoney.Whentheycangrowextracrops,theywill,eg,plantfruittrees.Intheend,theywillbringmorefruittothemarket.(changesinsupply)
3.Somecropsbringinmoremoneythanothercrops,sosomefarmerschangetheirproducefromgrowinggraintofishfarmingorgrowingfruit.Intheend,theywillbringmorefishorfruittothemarket.(changesinsupply)
Withthechangesinpeople’seatinghabits,nature
aswellasagriculturewillhavetochange,too.
Peopleareeatingmoremeatandfruit.Tofeedthe
animalslikepigsandfish,weneedmoregrain.
toprovidemorefruit,weneedtoplantmore
fruittrees.Asaresult,morelandwillbeused,
whichislikelytocauseharmtoenvironmentand
nature.Luckily,modernscienceandtechnology
hasmadeitpossibleforlandtoproducemore.
Lessandlesslandwillbeneeded.Thatis,noharm
willbedonewiththedevelopment