[简答]  二、完型填空（每空10分）。操作提示：通过题目中的下拉选项框选择恰当的词语补全填空。 　　Joachim'svision isbasedon anideacalledpleaching(编织),wheretreebranchesaregrownsothatthey naturally weavetogether.Sincethegrowthpatternsoftreesarebywindandsunlight,itmaybe possible tocontrolthewayatreedevelops.　　TheseFabricatedTreeHouseHabitatswouldusetreesgrownintoshapesashousing.Oneofthe  ofthesedesignsisthattreeswouldnothavetobecutdownforlumber.　　“A100percenttreehousewouldtake years tocreate,“Joachimsaid． theclimate,ahousecouldtakeanywherefrom5to30yearstogrow.Fortunately,there'sawayto speeduptheprocess.Joachimsuggestsincluding ecological materialssuchassod(草皮),grassesandlivingbranchesinthehousingdesigns.“Thismaterialwouldbeabletomove as thehousegrows,“Joachimsaid．　　Ahomewouldbecomeanactualecosystem,acommunityofplants,animals,andbacteriaworkingtogether.Thetreeswouldalsogiveoffwatervaporthatwouldassistin thehomes.Solarpanelsandwindwouldhelpprovide energy.Thetreehomesmightevenhavesoilpockets, whereplantscouldgrowfromthestructureitself.　　Workhasalreadybegun onJoachim'sfirstdesign—ahousemadefrom50percentrecycledand50percentlivingthings.Joachimisconfidentaboutthe  ofhiswork,asheusesnaturalproducts withoutdestroyingnature.　　“Theenvironmentanditsstudyareveryimportant.Weneedtorespectnature,don'ttakeitforgranted,“hesaid．