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1、我带领班子成员及全体职工，积极参加县委、政府和农牧局组织的政治理论学习，同时认真学习业务知识，全面提高了自身素质，增强职工工作积极性，杜绝了纪律松散Unit4GlobalwarmingⅠ.阅读理解Woulditsurpriseyoutolearnthat,likeanimals,treescommunicatewitheachotherandpassontheirwealthtothenextgeneration?UBCProfessorSimardexplainshowtreesaremuchmorecomplexthanmostofuseverimagined.AlthoughCharl
2、esDarwinthoughtthattreesarecompetingforsurvivalofthefittest,Simardshowsjusthowwronghewas.Infact,theoppositeistrue:treessurvivethroughtheirco-operationandsupport,passingaroundnecessarynutrition“dependingonwhoneedsit”.Nitrogen(氮)andcarbonaresharedthroughmilesofundergroundfungi(真菌)networks,makingsuret
3、hatalltreesintheforestecologicalsystemgiveandreceivejusttherightamounttokeepthemallhealthy.Thishiddensystemworksinaverysimilarwaytothenetworksofneurons(神经元)inourbrains,andwhenonetreeisdestroyed,itaffectsall.Simardtalksabout“mothertrees”,usuallythelargestandoldestplantsonwhichallothertreesdepend.She
4、explainshowdyingtreespassonthewealthtothenextgeneration,transportingimportantmineralstoyoungtreessotheymaycontinuetogrow.Whenhumanscutdown“mothertrees”withnoawarenessofthesehighlycomplex“treesocieties”orthenetworksonwhichtheyfeed,wearereducingthechancesofsurvivalfortheentireforest.“Wedidn’ttakeanyn
5、oticeofit,”Simardsayssadly.“Dyingtreesmovenutritionintotheyoungtreesbeforedying,butwenevergivethemachance.”Ifwecouldputacrossthemessagetotheforestryindustry,wecouldmakeahugedifferencetowardsourenvironmentalprotectioneffortsforthefuture.【语篇导读】本文是一篇说明文,主要介绍了树和树之间不是你死我活的竞争关系,而是相互依赖的互助关系。快要死的树会将自己的营养传给
6、小树让它们更好地成长。如果人们知道这些现象,就可以更好地保护这些树。1.Whatwouldbethebesttitleforthepassage? A.OldTreesCommunicateLikeHumansB.YoungTreesAreInNeedOfProtectionC.TreesAreMoreComplexThanYouThinkD.TreesContributeToOurSociety答案C解析标题概括题。结合全文内容可知,文章介绍了树和树之间不是你死我活的竞争关系,而是相互依赖的互助关系。快要死的树会将自己的营养传给小树让它们更好地成长,所以树木比我们想象的
7、更复杂。C项适合做标题。故选C项。经过专家组及技术指导员的共同努力，科技入户工作取得了很大的成绩，促进了小麦产量的大幅提升，农民种粮收益明显提高，得到了广大群众的一致赞许和社会各界的广泛好评。我带领班子成员及全体职工，积极参加县委、政府和农牧局组织的政治理论学习，同时认真学习业务知识，全面提高了自身素质，增强职工工作积极性，杜绝了纪律松散2.InSimard’sopinion,trees . A.depe
