Unit12CultureShock第一部分：语言知识及应用(共两节，满分45分)第一节：完形填空(共15小题；每小题2分，满分30分)阅读下面短文，掌握其大意，然后从1～15各题所给的A、B、C、D四个选项中，选出最佳选项。Yousometimesheartheargumentthathumansare“naturallyvegetarian”orthattheyevolvedasvegetarians.Thisissomewhat__1__topursueasthescientificevidenceallindicatesthatweareomnivores(杂食者)，i.e.，wecan__2__onawidevarietyofplantandanimalfoods.Italsousedtobe__3__thatthegreatapeswereallfruiteaters，butrecentresearchshowsthatchimpanzeesatleastwill__4__andkillsmallanimalsandwilleatcarrioniftheyfindit.Thechimpanzeeisthoughttobeourclosestanimal__5__.Theextremeoppositeconcept，however，thatofMantheGreatHunter，alsoseemstobe__6__.InhisbookTheRiseandFalloftheThirdChimpanzee，JaredDiamonddescribeshowhewasinvitedonahuntbyatribeinNewGuineawhohadretained(保留)StoneAgetechnologyand__7__ofthoughtinthe20thcentury.Theday'stotalbagwastwobabybirds，afewfrogs，andalotofmushrooms.Althoughthemenofthetribe__8__boastedofthelargeanimalstheyhadkilled，whenpressedfordetails，they__9__thatlargeanimalswerekilledonlyafewtimesinahunter'scareer.Thesepeople'sstonetoolswerefarmore__10__thanthestonetoolsfoundonprehistoricsites，soProfessorDiamondthinksit__11__thatprehistorichunterscouldhaveenjoyedamuchhighersuccessratethanpresent-dayhuntergatherertribes.Itseemsmorelikelythatearlyhumansatecarrion，smallpreylikebabybirds，andalotofplantfoods.Hecitesanotable__12__tothisrule.Thefirsthumanstocolonizeapreviouslyunoccupiedislandor__13__，e.g.，Madagascar，NewZealand，andAmerica，foundanimalsso__14__thattheydidn'trunawayfromhunters.Intheseinstances，somethinglike80percentofthelargebirdsandmammalspeciesofsuchanareawere__15__inarelativelyshorttime.【解题导语】本文讲的是远古的人究竟是靠什么而生存的。1．A.ridiculousB．dangerousC．terribleD．disgusting答案A[前文说到有人认为我们是自然素食者，而后文说有科学依据表明我们是杂食者，所以前面的说法是有点荒唐的，故选A。]2．A.eatB．workC．fightD．survive答案D[我们可以靠吃各种各样的植物和动物生存，故填D。]3．A.believedB．saidC．hopedD．suggested答案A[后面是人们过去错误的看法，故填A。]4．A.stealB．scratchC．attackD．rob答案C[后面是killsmallanimals因此应该先攻击后杀死小动物。]5．A.friendsB．ancestorsC．speciesD．relative答案D[“”根据前后语境，这里表示的是黑猩猩被认为是与我们关系最密切的动物，故选D。]6．A.untrueB．unbelievableC．unknownD．unconditional答案A[下面是作者要说明这种极端相反的看法是正确与否，故选A。]7．A.mannersB．habitsC．customsD．principles答案B[在这里应是思维习惯，故选B。]8．A.occasionallyB．suddenlyC．frequentlyD．shortly答案C[根据后面的语境是他们频繁地吹嘘自己杀死了多少很大的动物。]9．A.remarkedB．declaredC．thoughtD．admitted答案D[承认一个猎手生涯中只有几次能杀死大猎物的机会。与前面boasted形成对比，故选D。]10．A.advancedB．backwardC．matureD．gifted答案A[这里指的是前面提到那些打猎人的石器工具要比史前文明时期的石器工具先进的多，故填A。]11．A.illogicalB．impossibleC．unnecessaryD．abnormal答案B[根据前面的语境，ProfessorDiamond认为史前的打猎者要比现在的打猎者的打猎成功率高得多是不可能的，也与后面的morelikely产生对比，故选B。]12．A.expectationB．circumstanceC．exceptionD．condition答案C[下面是作者所列的这一规律一个例外。]13．A.countryB．territoryC．homelandD．continent答案D[Madagascar，NewZealand，America是岛屿或洲(指美洲)，故选D。]14．A.holdB．tameC．wildD．violent答案B[根据语境及theyd...
