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1、考试中心模拟题之(7)SectionIUseofEnglishDirections:Readthefollowingtext.Choosethebestword(s)foreachnumberedblankandmarkA,B,CorDonANSWERSHEET1.(10points)BlackdeaththatdroveNewtonfromhiscollegeandintoamomentousdiscovery,1Englandin1665.Astronomicalrecordsofthetimes
2、howthat2wasayearofintensesunspotactivity,andstudiesofannualtree3,whicharewiderwhenthesunisdisturbed,4thattheterribleplagueof1348was5accompaniedbyanactivesun.Thissoundsincredible,6wenowhaveevidencethatthesunhasadirecteffectonsomeofourbody7.Over120000test
3、sweremadeonpeopleinaBlackSea8tomeasurethenumberoflymphocytesintheirblood.Thesesmallcellsnormally9between20and25percentofman'swhitebloodcells,butinyearsofgreatsolaractivitythis10decreases.Therewasabigdropduringthesunspotyearsof1986and1987,andnumberofpeop
4、le11fromdiseasescausedbyalymphocytedeficiency12doubledduringthetremendoussolarexplosionofFebruary1986.Manyofthebody's13seemtobeinfluencedbysun-inducedchangesintheearth'smagnetic14.Ifthisisso,one15tofindthatthenervoussystem,whichdependsonelectricalstimul
5、i,wouldbethemost16.Astudyof5580coal-mineaccidents17theRuhrrivershowsthatmostoccurredonthedayfollowingsolaractivity.StudiesoftrafficaccidentsinRussiaandinGermanyshowthattheseincrease,byasmuchasfour18theaverage,ondaysafterthe19ofasolarflare.Thissuggeststh
6、ataccidentsmaybe20adisturbancedeeperthanasimpledecreaseinreactiontime.Theseresultsmakeitclearthatmanin,amongotherthings,aremarkablysensitivelivingsundial.1.[A]blanketed[B]swept[C]covered[D]spread2.[A]this[B]such[C]so[D]either3.[A]rings[B]cycles[C]circle
7、s[D]rounds4.[A]survey[B]reveal[C]predict[D]release5.[A]still[B]even[C]then[D]also6.[A]but[B]because[C]unless[D]when7.[A]chemistry[B]construction[C]physiology[D]constitution8.[A]retreat[B]reserve[C]resort[D]refuge9.[A]putin[B]takeover[C]makeup[D]setoff10
8、.[A]number[B]figure[C]share[D]proportion11.[A]suffered[B]suffer[C]suffering[D]tosuffer12.[A]unexpectedly[B]actually[C]disappointedly[D]practically13.[A]performances[B]operations[C]functions[D]workings14.[A]environment[B]field[C]l
