泛读Unit4-migratory-birds-and-coffee市公开课一等奖省赛课微课金奖PP

Unit4MigratoryBirdsandCoffee1/30Migratorybirds:候鸟2/30Doyouknowthenamesofthesebirds?Redstart

Woodcreeper

Black-throatedgreenwarblerParrot3/30CoffeePlantationAreaMexico墨西哥CostaRica哥斯达黎加Colombia哥伦比亚theCaribbean加勒比地域4/305/30bake3.Differentmethodstoproducecoffee6/307/30grind8/304.Fourtermstodescribecoffee’squality风味(Flavor)

醇度(Body)

酸度(Acidity)

香气(Aroma)

Good,high-qualitycoffeeiswellbalanced,thatis,ithastherightamountofacidity,definedbody,aricharomaandanenjoyableflavor9/30I.Skimming

Gothroughthepassagequicklyanddecidethemainidea.

Page54ExerciseA(6minutes)10/30II.Scanning

Trytochoosetherightanswertoeachquestiononpage54andlocatetheevidenceofyourchoiceinyourtextbook.8minutes11/30MainideaofeachparagraphPara.1:

Coffeeplantationsupportgoodpopulationsofmigratorybirdsandotherspeciesthatpreferorarerestrictedtoforesthabitats.Para.2:

shadecoffeeplantationisathreatenedhabitatbecauseofrecentchangesincoffeeproductionandmarketing.Para.3:

thedangercausedbyconversionfromshadecoffeeplantationtosuncoffeeplantationtomigratorybirds.para.4:

shadecoffeeplantationisbeneficialtothesubsistenceofmigratorybirds.12/30Para.5:

assertionbyJ.T.“coffeeandcacaomakegoodmigranthabitat.”Para.6:

constitutionofatraditionally-managedcoffeeplantationPara.7:

functionsofshadetrees

Para.8:

traditionalcoffeeplantationscanbethoughtasmodifiedforesthabitats.Para.9:

largecoverageofcoffeeplantationoftheareathatareheavilyusedbymigratorybirds.Para.10:

otherindicatorsoftheimportanceofcoffeeplantations.Para.11:

functionsofshadetreesinL.AandC.13/30Para.12:

maincoffeeproducingandconsumingareas.Para.13:

theeconomicalvalueofcoffee.Para.14-15:

requirementsanddisadvantagesofsuncoffeeplantation.Para.16:

producingcoffeeinatraditionalwaycanbringawin-winsituation.Para.17:

crisisincoffeeproductioninsomeareas.Para.18:

conclusion:restatethemaintenanceofmigratorybirdsrelynotonlyontheconservationhabitatsbutalsothequalityofhuman-managedhabitats.14/30III.DiscussionWhatarethetwodifferentwaysofcoffeecultivationmentionedinthetext?What’stherelationshipbetweenmigratorybirdsandtheshadegrowncoffee?Whataretheadvantagesofshadecoffeecultivation?15/30Whydopeoplebegintoadoptsuncoffeeproduction?Whataretheconsequencesofadoptingsuncoffeeplantation?Questions:16/30Therearetwokindsofcoffeeplantations:ShadecoffeeplantationVS.suncoffeeplantationSuncoffeeplantationShadecoffeeplantation17/30IV.Languagepoints18/301.InbothNorthandLatinAmerica,migratorybirdshavefoundasanctuaryintheforest-likeenvironmentoftraditionalcoffeeplantations.

sanctuaryabird[ananimal]sanctuary逃跑囚犯在寺院里取得了呵护。

Theescapedprisonerfoundsanctuaryinthetemple.refugeInthestormwetookrefugeunderabigtree.一个小窑洞是抵抗严寒唯一藏身之处。Asmallcavewastheonlyrefugefromthecold.19/302.Whilethismannerofcultivationproducessubstantiallyincreasedyields,thesecannotbesustainedformanyyearswithoutintensivemanagement(additionsofchemicalfertilizersandarangeofinsecticides,herbicidesandfungicides).yieldn.v.Hisbusinessyieldsbigprofits.

Thesoldiershadtoyield.

Thesetreesgaveahighyieldoffruitthisyear.

20/303.Thefewstudiesthathavebeenconductedhavefoundthatthediversityofmigratorybirdsplummetswhencoffeeisconvertedfromshadetosun.

convert—conversion

1.convert…to/into…Theyconvertedthegarageintoatheater.

2.convert…from/to…ThepriestconvertedmanynativesintoChristianity.21/304.Someagriculturalpracticesarecompatiblewiththemaintenanceofhighpopulationsofmigrants.Thenewoperatingsystemshouldbecompatiblewithexistinghardware.5.Birdsareonlyoneindicatoroftherolethatcoffeeplaysinprotectingbiologicaldiversity.鸟类只是咖啡在保护生物多样化方面所起作用中一个标志而已。22/306.Shadecoffeepresentsatremendousopportunityforbothconservationandeconomicgain,inthatsucharelativelybenignformofagriculturehasbeenandcontinuestobesosignificantaneconomicenginefortheLatinAmericanandCaribbeanregion.

遮荫咖啡为自然保护和经济利益均提供了巨大机会，因为这么相对宜人农业形式在拉丁美洲和加勒比地域一直而且继续充当非常主要经济引擎。23/307.Indollarvalue,coffeeissecondonlytopetroleumasthemostimportantlegalexportcommodityintheworld

按美元价值计算，咖啡仅次于石油，是世界上最主要正当出口商品

24/308.Whiletechnifiedcoffeemaysignifybenefitstoproducersintermsoftotalcropoutput—aconditionwhichmaynotholdtrueoverthelongrun,andalreadyprovenfalseinsomeareaswheresuncoffeeisbeinggrown—therelentlesspushofagribusinesstoproducemorecoffeeperunitareamayhaveseriousenvironmentalandsocialconsequences.

经过技术改造咖啡对生产者来说意味着总产量方面收益——这从久远看并不能连续，在种植日照咖啡一些地域已被证实是错误——为使单位面积生产更多咖啡而不顾一切地推进农业企业，这会带来严重环境和社会后果。

25/309.Traditionalcoffeefarmingreducesthefarmer'sdependenceonexpensivechemicalapplications,safeguardinggrowersandtheirfamiliesfromthepossibleharmfuleffectsofcontactwithpesticides.

safeguardTheBillofRightssafeguardsourindividualliberties.

Wemakecopiesofourcomputerdisksasasafeguardagainstaccidents.26/3010.Thisformof