完形填空（共20小题，每小题1.5分满分30分）

阅读下面短文，掌握其大意，然后从36—55题各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。

Mostpeoplemaketreehousesusingapileofwoodahammerandsomenails.MitchellJoachimanarchitectfromtheMassachusettsInstituteofTechnologyhasa(n)_36_vision.Hepicturesadaywhenhomeswillbecreatedfrom__37__.

Joachim'svision___38__anideacalledpleaching(编织)wheretreebranchesaregrownsothatthey__39__weavetogether.Sincethegrowthpatternsoftreesare _40_bywindandsunlightitmaybe__41_tocontrolthewayatreedevelops.

TheseFabricatedTreeHouseHabitatswouldusetreesgrownintoshapesashousing.Oneofthe__42_ofthesedesignsisthattreeswouldnothavetobecutdown__43_.

"A100percenttreehousewouldtake_44_tocreate"Joachimsaid．__45_theclimateahousecouldtakeanywherefrom5to30yearstogrow.Fortunatelythere'sawayto__46_theprocess.Joachimsuggestsincluding__47_materialssuchassod(草皮)grassesandlivingbranchesinthehousingdesigns."Thismaterialwouldbeabletomove__48_thehousegrows"Joachimsaid．

Ahomewouldbecomeanactualecosystemacommunityofplantsanimalsandbacteriaworkingtogether.Thetreeswouldalsogiveoffwatervaporthatwouldassistin_49__thehomes.Solarpanelsandwindwouldhelpprovide _50__.Thetreehomesmightevenhavesoilpockets__51_plantscouldgrowfromthestructureitself.

Workhasalready__52_onJoachim'sfirstdesign—ahousemadefrom50percentrecycledand50percentlivingthings.Joachimisconfidentaboutthe__53__ofhisworkasheusesnaturalproducts_54_nature.

"Theenvironmentanditsstudyareveryimportant.Weneedtorespectnaturedon’t_55_"hesaid．

36．A．similar B．excellentC．strange D．different

37．A．livingtrees B．smalltrees C．livingthings D．wildplants.

38．A．agreeswith B．isconsideredas C．isbasedon D．comesupwith

39．A．luckily B．naturally C．partly D．separately

40．A．effected B．affected C．attempted D．intended

41．A．possible B．impossible C．important D．necessary

42．A．designers B．