Unit10Theworldaroundus(1)Ⅰ.TeachingGoals:1.Talkaboutwaystoprotecttheenvironment.2.Talkaboutwildlifeendangerment.3.ReviewDirectandIndirectSpeech.4.Writeaboutcausesandeffects.Ⅱ.TeachingTime:FourperiodsⅢ.BackgroundInformationⅠ.AnimalsandTheirLanguagesAnimals,includinginsects,donothavealanguagelikeours.Theydonottalkwitheachotherinwordsandsentences.Butifwewatchthem,wecanseethattheydohavewaysofcommunicating(交流)witheachother.Canyouseetherabbit’stail?Whenrabbitsseethiswhitetailmovingupanddown,theyrun.Theyknowthatthereisdanger.Therabbithastoldthemsomethingwithoutmakingasound.Ithasgiventhemasignal.Manyotheranimalsusethiskindoflanguage.Whenacobra(眼镜蛇)isangry,itraisesitshood(颈部皮褶)andmakesitselflookfierce(凶猛).Thiswarnsotheranimals.Whenabeehasfoundsomefood,itgoesbacktoitshome.Itcan’ttellotherbeeswherethefoodisbyspeakingtothem,butitdoesalittledanceintheair.Thistellsthebeeswherethefoodis.Someanimalssaythingsbymakingsounds.Adogbarks,forexample,whenastrangercomesnear.Acatpurrswhenpleased.Somebirdsmakeseveraldifferentsounds,eachwithitsownmeaning.Sometimeswehumanbeingsspeakinthesameway.Wemakesoundslike“Oh”or“Ah”whenwearefrightenedorpleasedorwhenwedropsomethingonourtoes.Butwehavesomethingthatnootheranimalshave—alargenumberofwordswhichhavethemeaningsofthings,actions,feelingsorideas.Weareabletogiveeachotherallkindsofdifferentinformationinwordsandsentences,whichnootheranimalscando.Nootheranimalshavesowonderfulalanguageaswehave.Ⅱ.ConservationofNatureIsNecessary1970was“WorldConservationYear”.TheUNwantedeveryonetoknowthattheworldisindanger.Theyhopedthatgovernmentswouldactquicklyinordertoconserve(保护)nature.Hereisoneexampleoftheproblem.Atonetimetherewere1300differentplants,treesandflowersinHolland,butnowonly860remain.Theothershavebeendestroyedbymodernmanandhistechnology.Wearechangingtheearth,theairandwater,andeverythingthatgrowsandliveshere.Wecan’tlivewithoutthesethings.Ifitcontinueslikethis,weshalldestroyourselves.Whatwillhappeninthefuture?Perhapsitismoreimportanttoask“Whatmustwedonow?”Thepeoplewhowillbelivingintheworldoftomorrowaretheyoungoftoday.Alotofthemknowthatconservationisnecessary.Manyarehelpingtosaveourworld.Theyplanttrees,buildbridgesacrossriversinforests,andsoon.InasmalltownintheUnitedStatesalargegroupofgirlscleanedthebanksofelevenkilometresoftheirriver.YoungpeoplemayhearaboutconservationthrougharecordcalledNOONE’SGOINGTOCHANGEOURWORLD.ItwasmadebytheBeatles,CliffRichardandothersingers.Themoneyfromitwillhelptoconservewildanimals.用心爱心专心115号编辑Ⅲ.MiluDeerThemiludeerisakindofdeer,whichisarareandunusualspecies.IthasanotherChinesenamesibuxiang,alittleoffouranimals,becauseithasantlersofadeer,theneckofacamel,thehoovesofacowandthetailofadonkey.Itisthebiggestofallkindsofdeer.Theyareanextraordinaryspeciesbecausetheyhaven’tbeeninthewildfortwothousandyears.Alongtimeago,theywerelivinginthemarshlandhuntedofourcountryandwerethemainanimalshuntedbyourancestors.Latertheydisappearedinthewildbecauseofthevicissitudesofnatureandhuntingtoomuch.FormanydynatiestheyexistedonlyintheimperialhuntingparkontheoutskirtsofBeijing.Theyareunusualinotherways.Theyaretheonlydeerthathavethegaitofahorse.Theywalk,trot,canterandgallopwhichnootherdeerdoes.In1894thewallsoftheImperialHuntingParkinChinawerewashedawayintheGreatFloods.Thedeerescapedintothecountryside.FouryearslaterduringtheBox...