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1、GlobalWarmingThreatensPenguinsRisingtemperaturesandmeltingicehaveaffectedthehabitatsoffivespeciesoftheswimmingbirds.TheEmperorPenguin(帝企鹅)TheEmperor，thelargestandmostrecognizableofthepenguinspecies，isthoughttobethemostvulnerable1ofalllifeinAntarctica.AccordingtotheWorldWildlifeFederation，theoverallr
2、iseintemperaturesismeltingseaiceandreducingthepenguinshabitat.AdliePenguin(阿德利企鹅)Inthelast25years，theAdliepopulationhasdropped65%becauseofalossofseaiceandincreasedcompetitionforfoodamongotherpenguinspecies.AdliePenguinsrequiredrylandforbreedinggrounds2andstonepebbles3forcreatingnests，buttheirgreater
3、survivaldependsonthepresenceofseaice.KingPenguin(王企鹅)Atpresent，thereare2millionpairsofbreedingKingPenguinsontheislandsnorthofAntarctica.Researchsuggeststhatthepopulationisdecreasingasseatemperatureswarmandthebirdsareforcedtotravellongerdistancestofindfood.ChinstrapPenguin(帽带企鹅)Thewarmingtemperatures
4、havebeenbeneficialforChinstrappenguinsforthepresent，whichbreedandnestonlandwithnoiceorsnow.ThewarmertemperatureshaveforcedtheChinstrapsfurthersouth，whichisputtingthemincompetitionwithEmperorsandAdliesforfood.GentooPenguin(巴布亚企鹅)MuchliketheChinstrap，theGentoobirdsprotecttheireggsbyturnsandprefersligh
5、tlywarmertemperatures.Inthelastfewdecades，theirnumbershavebeenonthedecrease.Thedecreaseinpopulationislikelyduetoreducedfoodavailabilityasaresultofoverfishingandclimatechange.Withtheirfoodsourceunderthreatandtheirhabitatevaporating4，Emperor，Adelie，King，ChinstrapandGentooPenguinsallshareAntarcticasunc
6、ertainfuture.1vulnerableadj.脆弱的2breedingground繁殖地3pebblen卵石4evaporatev蒸发Fillintheblanksaccordingtothepassage.TheEmperorPenguinthe1._andmostrecognizableofthepenguinspeciesAdliePenguinrequiringdrylandforbreedinggroundsandstonepebblesforcreating2._KingPenguinbeingforcedtotravellonger3._tofindfoodChinst
7、rapPenguinThewarmertemperatureshaveforcedthemfurther4._GentooPenguinprotectingtheir5._byturns答案1.largest2.nests3.distances4.south5.eggsPeriodOneWarmup&Lesson1GlobalWarming.单词自测1trapvt.使困住trapn圈套；陷阱2consultantn顾问consultvt.咨询；请教3reserven保护区；储备reservev保留；储备；预订；保护reservationn保留地；疑惑；预订4principlen原则，道德准则5
8、conservationn保护conservativeadj.保守的；守旧的6referv指，意即7coincidencen巧合coincidev巧合的是；恰好相合；一致8condemnvt.迫使(某人)陷于不幸的境地9sacrificevt.，vi.牺牲；献出sacrificen牺牲(品)；祭品10advocatevt.主张，提倡advocaten提倡者；拥护者11recyclevt.回收利用12substituten代替品，代用品；v.用代替；代替13threatenvt.威胁threatn威胁.短语自测1be_harmful_to对有害2at_risk处于危险中3a_number_of一
9、些4in_the_last_few_decades在过去的几十年里5beyond_ones_control不受的控制6pump_into注入7speed_up加快速度8look_ahead展望未来9refer_to提及，参考10in_turn依次，轮流11lead_to引起，导致12take_action采取行动13switch_off关掉14add_up把加起来15ahead_of在前面1Thewaterlevelhasrisenso_high_in_several_places_thatmanyhomesareatriskfromflooding.几个地方的水位上涨得那么高，以至于许多房子
10、处在被淹的危险中。2Withoutthesenaturallyoccurringgases，thesunsrayswouldbouncebackintospaceleaving_the_Earth_cold_and_impossible_to_live_on.没有这些自然产生的气体，太阳光将会被反射回太空中，那么地球将处于寒冷中而不适合生存。3Theamountofcarbondioxideintheatmospherehasrisenbymorethan30%inthelast250yearswith_half_of_this_increase_occurringsince1960.在过去的
11、250年里，大气中的二氧化碳含量已经增加了30%以上，而其中一半是在1960年以后增加的。4Given_this_data，itseemsthatthelinkbetweenhumanactivitiesandrisingglobaltemperaturesisnotmerelyacoincidence.鉴于这些数据，好像人类活动与正在升高的地球温度之间的联系并不仅仅是巧合。.FastreadingReadthetextandanswerthefollowingquestions.1.Whatsthemainpurposeofthefirstparagraph?_.答案Tointroducet
12、hetopicofglobalwarmingtothereaders.2Themainideaofthelastparagraphisthat_.答案everyoneshouldtrytheirbesttosaveenergyandreducegreenhousegases3Whatdoesthepassagemainlytellus?_.答案Thecausesofglobalwarmingandthemeasuresweshouldtaketodealwithit.Carefulreading1Whichisoneofthebiggestenvironmentalproblemsinthe2
13、1stcentury?ARaisingsealevel.BTheglobalwarming.CMoreandmorefactories.DFloodsanddroughts.答案B2Scientistsfoundthatthetemperatureiscontrolledby_.Athesunshine BthegasfromtheEarthCthecarbondioxide DtheEarthsclimate答案C3Whatresultsintheincreaseoftheglobalaveragetemperature?AHumanactivities. BBurningfuels.CPl
14、antingtrees. DBushfires.答案A4Whichistheproperorderofthefollowingdisasters?AGlobalwarmingfloodingislandsandcitiesraisingsealevelspolaricemelting.BRaisingsealevelsglobalwarmingpolaricemeltingfloodingislandsandcities.CRaisingsealevelsglobalwarmingpolaricemeltingfloodingislandsandcities.DGlobalwarmingpolaricemeltingraisingsealevelsfloodingislandsandcities.答案D5Whatisthemainideaofthelastparagraph?ATheUSAshouldplayanimportantpartinreducingcarbondioxide.BEveryoneshouldtryhisbesttosaveenergyandreducecarbondioxide.CWemuststudyhardandof
