12014年全国硕士研究生入学考试英语模拟试题（第二套）SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,C,orDonANSWERSHEET1.(10points)Atthebeginningofthecentury,medicalscientistsmadeasurprisingdiscovery:thatweare1notjustoffleshandbloodbutalsooftime.Theywereableto2thatweallhaveaninternal“bodyclock”which3theriseandfallofourbodyenergies,makingusdifferentfromonedaytothe4.Theseforcesbecameknownasbiorhythms;theycreatethe5inoureverydaylife.The6ofaninternal“bodyclock”shouldnotbetoosurprising,7thelivesofmostlivingthingsaredominatedbythe24hournightanddaycycle.Themostobvious8ofthiscycleisthe9wefeeltiredandfallasleepatnightandbecomeawakeand10duringtheday.11the24hourrhythmisinterrupted,mostpeopleexperienceunpleasantsideeffects.12,internationalaeroplanetravelersoftenexperience“jetlag”whentravelingacrosstime13.Peoplewhoarenotusedto14workcanfindthatlackofsleepaffectstheirworkperformance.15thedailyrhythmofsleepingandwaking,wealsohaveotherrhythmswhich16longerthanonedayandwhichinfluencewideareasofourlives.Mostofuswouldagreethatwefeelgoodon17daysandnotsogoodonothers.Sometimesweare18fingersandthumbsbutonotherdayswehaveexcellentcoordination.Therearetimeswhenweappeartobeaccidentprone,orwhenourtemperseemstobeonashortfuse.Isn’titalsostrange19ideasseemtoflowonsomedaysbutatothertimesare20nonexistent?Musicians,paintersandwritersoftentalkabout“dryspells”.1.［A］built［B］shaped［C］molded［D］grown2.［A］demonstrate［B］illustrate［C］present［D］propose3.［A］designates［B］fluctuates［C］calculates［D］regulates4.［A］second［B］latter［C］other［D］next5.［A］“upsanddowns”［B］“goodsandbads”［C］“prosandcons”［D］“highsandlows”6.［A］name［B］idea［C］expression［D］image7.［A］unless［B］when［C］since［D］although8.［A］nature［B］character［C］feature［D］fact9.［A］mode［B］way［C］form［D］fashion10.［A］watchful［B］ready［C］alert［D］attentive11.［A］As［B］Because［C］Though［D］If考试点www.kaoshidian.com212.［A］...
