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简介：重点词汇1.tourn.&v.旅行;旅游MybrotherhasjustleftSydneyforatouroftheworld.我哥哥刚离开悉尼去周游世界。Wetourbycareverysummer.每年夏天我们都驾车出外旅行。拓展touristn.旅行者;观光者2.protectv.保护;防护protect...from/against...保护……免遭……Apurpleheadscarfprotectedherfrom/againstthewind.一条紫色头巾为她挡风。拓展(1)protectionn.保护;保卫(2)protectiveadj.保护的;防护的

简介：TheexcitingsourceoftheactivesourcerepeatedmonitoringislocatedintheXiliushuiReservoirinZhangye,GansuProvince.ThesystembeganoperatingnormallyonJuly9,2015,andwehadcompletedaperiodof40daysofcontinuousexcitationexperimentbeforeNovember10,2015.Ourresultsrevealthattheairgunsourcehasgoodconsistencyandrepeatability,andthedetectivesystemofactivesourcecanrecordsignalclearly.Theconstructionofactivesourcerepeatedexplorationprojectshasachievedsomeresults,whichcanprovidevaluableexperiencefortheresearchofactivesourcerepeatedexploration.TheobservationdataweobtainedmakesitpossibletofollowthetemporalandspatialvariationsofthedeepstructureoftheQilianMountainareas.

简介：教材：人教版英语八年级（下）单元：Unit7What’sthehighestmountainintheworld？课文：sectionB一、设计思路（一）教学指导思想及设计理念美国学者爱德华·霍尔的互动理论认为：无论是口头语言还是书面语言,都存在着互动,人与人要进行交际,就必须以互动的形式互相作用,互相影响,因为＂互动是生活在集体中的一种功能＂（胡凤菊2006）。课堂互助教学有助于培养学生的创新思维能力、阅读素质和学生学习的自信心。

简介：Assessmentofregionalforestcarbonstocksandunderlyingcontrolsiscriticalforguidingforestmanagementinthecontextofcarbonsequestration.Weinvestigatedthevariationsintreebiomasscarbonstocksrelatingtoforesttypes,andestimatedthetotaltreebiomasscarbonstocksandprojectedgainsthroughnaturalstanddevelopmentby2020and2050intheDaqingMountainNatureReservebasedonCategoryIIdataoftheForestInventoryofInnerMongoliafortheperiodending2008.Overatotalareaof388,577ha,thisnaturereservecurrentlystoresanestimated2221GgCintreeabovegroundbiomassalone,withpotentialtogrowbymorethan30%toreach2938GgCby2020andnearlydoubleto4092GgCby2050throughnaturaldevelopmentoftheexistingforeststands.Thetreebiomasscarbondensityandpotentialgainintreebiomasscarbonstocksvarymarkedlyamongforesttypesandwithstanddevelopment.Thevariationsinthepotentialchangeoftreebiomasscarbondensityfortheperiods2008–2020and2008–2050amongforesttypespartlyreflectthevaryingrelationshipsoftreebiomasscarbondensitywithstandagefordifferenttreespecies,andpartlyareattributabletovariationsinthestandagestructureamongdifferentforesttypes.Ofthemajorforesttypes,therankingofprojectedchangesintreebiomasscarbondensityarenotconsistentwithvariationsintherelationshipbetweentreebiomasscarbondensityandstandage,neitheraretheyexplainablebyvariationsinstandagestructures,implyingtheinteractiveeffectbetweenforesttypeandstanddynamicsontemporalchangesintreebiomasscarbondensity.Birchrankhighestforfuturebiomasscarbonsequestrationbecauseofitsdominanceincoverareaandbetteragestructureforpotentialgainintreebiomasscarbonstocks.Poplarandlarchwereout-performerscomparedtootherforesttypesgiventheirgreatercontributiontototaltreebiomasscarbonstocksrelativetotheirdistributionalareas.Findingsinthisstudyillustrateth