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1、人教版地理八年级下教案西双版纳1《第二节西南边陲的特色旅游区??西双版纳》学案山东省高青县实验中学郑宝田一、出示目标1.记住西双版纳的资源，理解其形成原因。2.分析该地旅游业迅速崛起的原因及旅游业对经济的带动作用。3.认识该地区保持可持续发展的途径和建立设立自然保护区的重要意义。二、自学文本1.自学教材P66,69页，完成P70页活动题，西双版纳丰富的旅游资源主要有______。(1)地处边境可发展____旅游和____旅游。(2)雨林特有的景观:____，___，____，_____，雨林动物:___，
2、___，___，___，被称为“___”。3)傣族的民族风情有:傣家的__楼，____舞，_____饭。(2.描述评价西双版纳的地理位置。(1)位于北回归线以___，五带中的___带，属于____气候，水热_____，利于植物生长。雨林良好的_____场所和充足的_____为动物提供了有利的生存条件。shouldbetightened,noloose,TerminalBoardwiringshouldbeoneoneachside,nomorethantwo.J,shieldedwire,sparewir
3、ebindingorder,reliablegrounding.7.7qualitystandard7.7.lcablesthroughthecableembeddedtubemakinguseofgalvanizedsteelpipe,tubeendswithoutburrs,smooth.7.7.2pipedoesnotallowbending,bendingthebendradiusshouldbe?4timestimestheouterdiameterofthetubein.7.7.3ellipt
4、icityofabenttube,pipediameter?60mm,not>8%,diameter>760mm,not>6%.7.7.4makingcablesburiedpipingapplicationrootproduction,growingwhereinterfaceisrequired,onlystraightpipe,onlythewireportconnections,weldedconnectionsarenotallowed.7.7.5servicesleeveshouldhavea
5、goodgrounding.7.7.6cabletraysinstallation,burrsanddirtandcorrosiontreatmentshouldbecarriedout,installthebridge...7.8.1.7pipingandpiping,equipmentandequipmentorpipingandotherequipmentshallhavesufficientexpansiongapinhotsituations.7.8.1.8metaltemperatureoft
6、heinsulatinglayer(hot)=shell-walltemperatureofenvironmenttemperature?40?c.7.8.2paint7.8.2.lpaintofequipmentandpipelinesshouldhaveatleastaprimer(redpaint)andfinish.7.8.2.2paintappearancecoloruniform,withoutpaint,rust,flaking,wrinkles,flowmarks,scum,paintpa
7、rticlesandvisiblebrushmarks.7.8.2.3interlayershouldbetightandwithoutstratification.7.8.2.4pipelinesasphalt,fiberglassfabriccorrosion,externalappearanceshouldnevershowsurroundedbyglassfiberclothuniform,dense,paintedpitchinspectionshouldbenodelamination,cav
8、itation,homogeneityofasphaltcoating,brushingeachlayerthicknessinaccordancewithdesignrequirements.Standard7.97.9structureplacementprocess.1fair-facedconcreteisaconcretesurfacewithoutanydecoration,structureappearanceq
