Unit1Lifestyles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和D项中，选出最佳选项。Dinosaurswerewipedoutbyahugeasteroid(小行星)thathittheEarth65millionyearsagowiththeforceofabillionatomicbombs，scientistssaid，hopingto__1__anageolddebateto__2__onceandforall.The__3__comesfromaninternationalgroupofexpertswho__4__20years'__5__ofevidenceaboutwhatcausedtheCretaceous—Tertiary(KT)(——白垩纪第三纪)extinctionthatwipedoutmorethanhalfthe__6__ontheplanet.They__7__itwasahugeasteroid，measuringaround15kilometerswide，whichhitwhatistodayMexico.“TheasteroidisbelievedtohavehitEarthwithaforce1billiontimesmorepowerfulthantheatomicbombatHiroshima(日本广岛)”，theresearcherssaidinareportpublishedintheSciencemagazine.Thegroupof41scientistshopetheir__8__willputanendtoallthedebateaboutwhatcausedtheKTextinction.Somescientistshave__9__thatdinosaurswerewipedoutbyaseriesofvolcaniceruptionsinwhatisnowIndiathat__10__some1.5millionyears.ButtheevidencegatheredforthestudypublishedinScienceshowsthattheEarth'secosystemsweredestroyed__11__intheKTextinction.That__12__thescientiststoruleoutvolcanic__13__asthe__14__，becauseitseffectswouldhave__15__dinosaursandotherspeciesovertime.【解题导语】本文主要讲述科学家通过研究发现生活在白垩纪第三纪的恐龙的灭绝是由于当时地球受到了一颗能量巨大的小行星撞击。1．A．lieB．layC．laidD．lain答案：B[相当于put的意思。]2．A.restB．disappearC．continueD．stay答案：A[“”意为中止。]3．A.effectB．studyC．suggestionD．conclusion答案：D[由上文可知这个争论已有了结果。这里用conclusion有承上指代的作用。]4．A.reviewedB．experiencedC．soughtD．explored答案：A[“”意为重新考虑。]5．A.timeB．worthC．ageD．period答案：B[“”意为能用多长时间的东西。]6．A.animalsB．plantsC．humanbeingsD．species答案：D[小行星撞击地球使地球上的物种减少。]7．A.determinedB．debatedC．discoveredD．disagreed答案：A[“”意为断定。]8．A.findingsB．inventionsC．researchesD．guesses答案：A[“”意为发现。]9．A.advisedB．foundC．arguedD．considered答案：C[“”意为主张。]10．A.happenedB．spreadC．lastedD．ended答案：C[由下文some1.5millionyears可知，这一系列的火山持续喷发了好长一段时间。]11．A.firstlyB．slowlyC．rapidlyD．quickly答案：C[正是由于那个时期的生态系统被破坏的速度很快，科学家们才确定是小行星撞击了地球。]12．A.ledB．followedC．taughtD．told答案：A[句意：使科学家们相信恐龙的灭绝不是火山活动的结果。]13．A.smokeB．flameC．dustD．activity答案：D[火山活动。]14．A.resultB．causeC．eventD．explanation答案：B[起因。]15．A.changedB．affectedC．controlledD．directed答案：B[……给坏的影响，用affect。]第二节：语法填空(共10小题；每小题1.5分，满分15分)阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在标号为16～25的相应位置上。SHANGHAI—ChinaannouncedahugeeconomicstimulusplanonSundayaimed__16__bolstering(促进)its__17__(weak)economy，amove__18__couldalsohelpfighttheeffectsoftheglobalshowdown.Chinasaiditwouldspend__19__estimated$586billion—about7percentof__20__grossdomesticproduct(GDP)—overthenexttwoyearstoconstructnewrailways，subwaysandairportsand__21__(build)communitiesdestroyedbyanearthquakeinthesouthwestinMay.Theplan，announcedSundayeveningbytheStateCouncil，is__22__(large)economicefforteverundertakenbytheChinesegovernment.ItcamelessthanaweekbeforeP...
