II.完形填空：（每題1.5分，共30分）Youeitherhaveit,oryoudon'——asenseof16,thatis.But17isitthatsomepeoplecouldfindtheirwayacrosstheSaharawithoutamap,whileotherscan18themselvesinthenextstreet?Scientistssayw'eall19withasenseofdirection,20itisnotproperlyunderstoodhowitworks.Onetheory（論）isthatpeoplewithagoodsenseofdirectionhaveworkedhardat21it.Researchbeing_22outatLiverpoolUniversity23thisideaandsuggeststhatifwedo'useit,weloseif.Childrenasyoungassevenhavetheability!力）tofindtheirway24，”saysJimMartland,ResearchDirectoroftheproject.However,25theyarenotallowedoutaloneoraretakeneverywherebycar,theywill26developtheskills”JimMartlandalsoemphasizes重申）thatyoungpeopleshouldbetaughtcertain27toimprovetheirsenseofdirection.Hemakesthefollowingsuggestions:Ifyouareusinga28,turnitsoit29tothewayyouarefacing.Ifyouleaveyourbikeinastrangeplace,putitnear30likeabigstoneoratree.Notelandmarks（路標(biāo)）ontheroute（路線）asyougoawayfromyourbike.Whenyoureturn,gobackalong31route.*Simplify（簡化）thewayoffindingyourdirectionbyusinglinessuchasstreetsinatown,streams,orwallsinthecountrysideto32you.33yoursteps34youknowhowfaryouhavegoneandnoteanylandmarkssuchastowerblocksorhillswhichcanhelptofindoutwhereyouare.Nowyouwillnevergetlost35!16.A.smellB.touchC.directionD.sight17.A.whatB.whyC.whenD.where18.A.loseB.desertC.findD.miss19.A.popularB.familiarC.bornD.please20.A.howeverB.asC.butD.so21.A.B.C.discoveringD.discussingdevelopingC.workeddisplaying22.A.carriedB.checkedD.ruled23.A.agreesB.supportsC.ignoresD.24.A.awayB.acrossC.nearbycelebratesD.around25.A.becauseB.sinceC.ifD.unless26.A.almostB.alwaysC.possiblyD.never27.A.programsB.skillsC.reasonsD.advices28.A.bookB.torchC.mapD.radio29.A.relatesB.comesC.getsD.leads30.A.anythingB.everythingC.nothingD.31.A.thetB.thesameC.theothersomethingD.theextradifficultB.pleaseC.testD.inform32.A.guide33.A.CountB.WatchC.MindD.Find34.A.thoughB.onceC.sotha