第一节完形HYPERLINK"http://www.5ykj.com/shti/"\h填空(共15小题；每小题2分，满分30分)HYPERLINK"http://www.5ykj.com/shti/"\h阅读下面短文，掌握其大意，然后从各题所给的A、B、C和D项中，选出最佳选项。Isyourmindcompletelyfilledwiththoughtsofsomething?That’scalledobsession(痴迷).Whenwethinkofobsession,wetendtothinkofthe__1__aspectsofextremebehavior.Itcanbeunhealthyordangerous.However,actually，“productiveobsessing”canbenotonlya__2__forboredomandpassivity,butalsotherecipefora__3__life.Havingaproductiveobsessionappearsto__4__peopletodothis,evenifthingsgettough.Incontrast,thosewithoutpassion(激情)mayenduplettingchallengesanddifficulties__5__them.Butthereisafinebutimportant__6__betweenobsessionandpassion.Sohowdoyou__7__apassion,andavoidthenegativeaspectsofobsession?Whatevertheprojectis,itshould__8__loveandinterest.People,whohaveanunexploredinterestinsomething,butalwaysputitoff,shouldbeginby__9__themselvestoitforamonth.Whenpeopledocommitthemselvesonsomething,evenforamonth,theirbrainsbecomeretrained.It__10__hesitatingandworryingandexploresitsownpotential.Havingaproductiveobsessionleadstovariousmental__11__:pleasurewhenthingsaregoingverywell;__12__whenyouareoffended.Thekeyisbeingpreparedforthesestatesandknowinghowtohandlethem.Beingobsessedwitha(n)__13__planforyearswithoutputtingitintopracticeisnotproductive.Goingaftersomethingwith__14__maynotmakeyououtstanding,butyoudon’tknowwhereitwillleaduntilyougiveitatry.Attheveryleast,itcouldbethe__15__toasatisfyingandmeaningfullife.【文章大意】我们行事往往最忌痴迷，但是对任何事都毫无热情、有梦想不去实践或者做事半途而废更不可取，因此适度的积极性迷恋是成事的关键。1.A．scientificB．negativeC．variousD．psychological解析：选B。根据下文“Itcanbeunhealthyordangerous.”可知，谈到痴迷，人们往往会想到极端行为的消极方面。2.A．causeB．cureC．stageD．company解析：选B。根据“However”一词可知，作者认为能动性的痴迷是有积极作用的。再根据下文“...butalsotherecipefora____3____life.”可知，“productiveobsessing”是治疗厌倦和被动的良方。3.A．balancedB．simpleC．healthyD．fulfilling解析：D。根据最后一段“asatisfyingandmeaningfullife”可知，这种“痴迷”也是让人过上有满足感的生活的诀窍。4.A．orderB．inviteC．driveD．ask解析：选C。根据下文“...evenifthingsgettough.”可知，为了能够有所成就而对某事产生的痴迷，即便事情会变得困难而棘手，它仍会让人觉得有动力