托福写作套句魔板-出自TPO阅读

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1、一、因果、导致1…isanimportantconsideration.2ThereductionofAresultsinthelossofB’sabilityto…3…havebeenidentifiedasmajorcontributorsto…4Desertificationisaccomplishedprimarilythroughthelossofstabilizingnaturalvegetationandthesubsequentacceleratederosionofthesoilbyw

2、indandwater.5Thepressureonthelandisoftenfarinexcessofitsdiminishedcapacity,anddesertificationresults.6Theconsequencesofanexcessivenumberoflivestockgrazinginanareaarethereductionofthevegetationcoverandthetramplingandpulverizationofthesoil.7…appearstobethe

3、dominantfactorin…8…leadstoreductionsintensionandalowerlikelihoodoffuture.9.Withthelossof…alsocamethelossof…10.Cheaptransportationnetworks,theriseofcities,andtheavailabilityofcapitalallstimulatedtheshifttofactoryproduction.11.Commerceandeconomicdevelopmen

4、twere(themain)agentsofcivilization.12.Therearetwoprincipalinfluencesthatshapetheterrain.13.beseenas(achief)motivationfor…被视作..的动力14.Anotherconditionthatcontributestothedevelopmentof…istheemergenceof...15.Variousenvironmentalfactorsmayplayarole.16.…maybea

5、nothercontributingfactor.17.growoutofhumanneedsandaspirations.18.canbetracedto…19.Thecauseof…istheconsequenceof…20.Aworseningoftheplightofdeerwastobeexpectedassettlersencroachedontheland.21.Steamalsopromisedtoeliminateatransportationproblemsnotfullysolve

6、dbyeithercanalboatsorturnpikes.22.Thekeyto…lies(lay)in…23.FromthisarousetheRomangeniusformilitaryorganizationandorderlygovernment.24.Amongthemainfactorsare…最主要的原因是25.WildmanandNilesidentifythreeprinciplesthatfacilitatereflectivepracticeinateachingsituati

7、on.26.Byforceofsheernumbers,however,themossesandfernsreachedHawaii,survivedandmultiplied.27.Therapidexpansionininternationaltradealsobenefittedfromaninfusionofcapital,stemminglargelyfromgoldandsilverbroughtbySpanishvessels.28.Ourhumannessarisesoutofthese

8、relationshipsinthecourseofsocialinteraction.29.Anumberofconditionsenhancethelikelihoodthatprimarygroupswillarise.30.Primarygroupsarefundamentalbecausetheyserveaspowerfulinstrumentsforsocialcontrol.Primarygroups,then,serveb