Unit2核心词汇转换与讲解学案-高中英语人教版必修第二册.docxVIP

必修二Unit2WildlifeProtection核心词汇及词形转换collectsort:K.L.

Period1（pl4-17）adaptv.适应一adaptationn.适应reservevt.保留；预订；预留n.（动植物）保护区；储藏（量）-?reservationn.保留；预约；预订raten.速度；（比）率vt.划分等级-ratingn.等级；级别beautyn.美；美人；美好的东西―beautifuladj.美丽的—beautifyv.美化threatn.威胁Threatenv.威胁；恐吓一threateningadj.威胁的；恐吓的—threatenedadj.受到威胁的existvi.存在;生存—existencen.存在harmonyn.和谐；?harmoniousadj.^n^^；和睦的

measuren.措施；方法vt.测量；度量；估量—measurementn.尺寸；度量observevt.观察（到）；注视；遵守—observationn.观察；观察力attackn.v.攻击；抨击removevt.去除；移开；脱去—removaln.移动；搬迁；除去alarmvl.使惊恐；使害怕；使担心n.恐慌；警报；警报器-alarmingadj.惊人的；使人惊恐的extinctadj.已灭绝的—extinctionn.灭绝illegaladj.不合法的；非法的—legaladj.合法的—iHegallyadv.不合法地；非法地endangervt.使遭受危险；危害-dangern.危险—dangerousadj.危险的

concernvt.涉及；让担忧n.（尤指许多人共同的）担心，忧虑；关爱，关心—concerned

adj.担心的；关切的askedtoputpolarbearsontheUSendangeredspecieslist.

Polarbearsdependonfloatingseaiceasaplatformforhuntingseals,whicharetheirmainfood.Withoutenoughice,polarbearswouldbeforcedtogoontotheland,wheretheyarepoorlyskilledhunters,andwouldbeunlikelytoadapttothelifeonthelandintime.Expertssayfewlittlebearswouldsurviveandthestresscouldmakemanyfemalesunabletogetpregnant.

TheteamofAmericanandCanadianscientistsspentsixmonthsstudyingbears,ontheground,fromspotterplanesandinthelab,usingputermodels.Someteammembersfeartheresultisevenworseforthebearsthanwhattheirreportsays.TheysaytheArcticiswarmingfasterthananywhereintheworldandmuchfasterthantheirputerhadbeenforecasting.Satel1iteobservationshaveshowedthattheicehasdecreasedtoanall-timelow.

However,noteveryoneinthescientificmunitybelievesthatglobalwarmingishappeningonsuchanalarmingscale.Anotherinvestigationhasfoundthatpolarbearsarestillbeinghuntedbywealthy“sportsmenwhowanttheirskinsandheads.Atleastteninternationalpaniesofferbear-huntingtrips.

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