泛读Unit4 migratory birds and coffee

Unit4MigratoryBirdsandCoffeeMigratorybirds:候鸟Doyouknowthenamesofthesebirds?RedstartWoodcreeperBlack-throatedgreenwarblerParrotCoffeePlantationAreaMexico墨西哥CostaRica哥斯达黎加Colombia哥伦比亚theCaribbean加勒比地区bake3.Differentmethodstoproducecoffeegrind4.Fourtermstodescribecoffee’squality风味(Flavor)醇度(Body)酸度(Acidity)香气(Aroma)Good,high-qualitycoffeeiswellbalanced,thatis,ithastherightamountofacidity,definedbody,aricharomaandanenjoyableflavorI.SkimmingGothroughthepassagequicklyanddecidethemainidea.Page54ExerciseA(6minutes)II.ScanningTrytochoosetherightanswertoeachquestiononpage54andlocatetheevidenceofyourchoiceinyourtextbook.8minutesMainideaofeachparagraphPara.1:Coffeeplantationsupportgoodpopulationsofmigratorybirdsandotherspeciesthatpreferorarerestrictedtoforesthabitats.Para.2:shadecoffeeplantationisathreatenedhabitatbecauseofrecentchangesincoffeeproductionandmarketing.Para.3:thedangercausedbyconversionfromshadecoffeeplantationtosuncoffeeplantationtomigratorybirds.para.4:shadecoffeeplantationisbeneficialtothesubsistenceofmigratorybirds.Para.5:assertionbyJ.T.“coffeeandcacaomakegoodmigranthabitat.”Para.6:constitutionofatraditionally-managedcoffeeplantationPara.7:functionsofshadetreesPara.8:traditionalcoffeeplantationscanbethoughtasmodifiedforesthabitats.Para.9:largecoverageofcoffeeplantationoftheareathatareheavilyusedbymigratorybirds.Para.10:otherindicatorsoftheimportanceofcoffeeplantations.Para.11:functionsofshadetreesinL.AandC.Para.12:maincoffeeproducingandconsumingareas.Para.13:theeconomicalvalueofcoffee.Para.14-15:requirementsanddisadvantagesofsuncoffeeplantation.Para.16:producingcoffeeinatraditionalwaycanbringawin-winsituation.Para.17:crisisincoffeeproductioninsomeareas.Para.18:conclusion:restatethemaintenanceofmigratorybirdsrelynotonlyontheconservationhabitatsbutalsothequalityofhuman-managedhabitats.III.DiscussionWhatarethetwodifferentwaysofcoffeecultivationmentionedinthetext?What’stherelationshipbetweenmigratorybirdsandtheshadegrowncoffee?Whataretheadvantagesofshadecoffeecultivation?Whydopeoplebegintoadoptsuncoffeeproduction?Whataretheconsequencesofadoptingsuncoffeeplantation?Questions:Therearetwokindsofcoffeeplantations:ShadecoffeeplantationVS.suncoffeeplantationSuncoffeeplantationShadecoffeeplantationIV.Languagepoints1.InbothNorthandLatinAmerica,migratorybirdshavefoundasanctuaryintheforest-likeenvironmentoftraditionalcoffeeplantations.sanctuaryabird[ananimal]sanctuary逃跑的囚犯在寺院里获得了庇护。Theescapedprisonerfoundsanctuaryinthetemple.refugeInthestormwetookrefugeunderabigtree.一个小窑洞是抵御寒冷的唯一藏身之处。Asmallcavewastheonlyrefugefromthecold.2.Whilethismannerofcultivationproducessubstantiallyincreasedyields,thesecannotbesustainedformanyyearswithoutintensivemanagement(additionsofchemicalfertilizersandarangeofinsecticides,herbicidesandfungicides).yieldn.v.Hisbusinessyieldsbigprofits.Thesoldiershadtoyield.Thesetreesgaveahighyieldoffruitthisyear.3.Thefewstudiesthathavebeenconductedhavefoundthatthediversityofmigratorybirdsplummetswhencoffeeisconvertedfromshadetosun.convert—conversion1.convert…to/into…Theyconvertedthegarageintoatheater.2.convert…from/to…ThepriestconvertedmanynativesintoChristianity.4.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的一个标志而已。6.Shadecoffeepresentsatremendousopportunityforbothconservationandeconomicgain,inthatsucharelativelybenignformofagriculturehasbeenandcontinuestobesosignificantaneconomicenginefortheLatinAmericanandCaribbeanregion.遮荫咖啡为自然保护和经济利益均提供了巨大的机会，因为这样相对宜人的农业形式在拉丁美洲和加勒比地区一直并且继续充当非常重要的经济引擎。7.Indollarvalue,coffeeissecondonlytopetroleumasthemostimportantlegalexportcommodityintheworld按美元价值计算，咖啡仅次于石油，是世界上最重要的合法出口商品8.Whiletechnifiedcoffeemaysignifybenefitstoproducersintermsoftotalcropoutput—aconditionwhichmaynotholdtrueoverthelongrun,andalreadyprovenfalseinsomeareaswheresuncoffeeisbeinggrown—therelentlesspushofagribusinesstoproducemorecoffeeperunitareamayhaveseriousenvironmentalandsocialconsequences.经过技术改造的咖啡对生产者来说意味着总产量方面的收益——这从长远看并不能持续，在种植日照咖啡的一些地区已被证明是错误的——为使单位面积生产更多的咖啡而不顾一切地推动农业企业，这会带来严重的环境和社会后果。9.Traditionalcoffeefarmingreducesthefarmer'sdependenceonexpensivechemicalapplications,safeguardinggrowersandtheirfamiliesfromthepossibleharmfuleffectsofcontactwithpesticides.safeguardTheBillofRightssafeguardsourindividualliberties.Wemakecopiesofourcomputerdisksasasafeguardagainstaccidents.10.Thisformoflandusemayitselfbeonthewaytobecominganendangeredspecies.这种土地使用形式自身也许正成为一个濒危的物种。Thisrarebirdhasbecomeanendangered______.Iprefertoseeanimalsintheirnatural______,ratherthaninzoos.Thisprojectisnot______withthecompany’slong-termplans.Vocabulary:specieshabitatcompatibleThattree______plentyoffruit.Thechildren’sages______from5to15.Coalcanbe______togas.Vocabulary:yieldsrangesconvertedReadingSkills:UnderstandingtheTopicAtopicisthegeneralsubjectofthesentencesinaparagraphorthatoftheparagraphsinatext.