09年专四完形填空真题及参考答案

PARTIIICLOZE[15 MIN]

Decidewhichofthechoicesgivenbelowwouldbestcompletethepassageifinsertedinthecorrespondingblanks. MarkthebestchoiceforeachblankonAnswerSheetTwo.

Scientistsaroundtheworldareracingtolearnhowtorapidlydiagnose, treatandstopthespreadofanew, deadlydisease. SARS-- SevereAcuteRespiratorySyndrome--- was(31) ____ forthefirsttimeinFebruary2003 inHanoi, (32) _____ sincethenhasinfectedmorethan1,600 peoplein15 countries, killing63. Atthis(33) _____, therearemorequestionsthananswerssurroundingthedisease.

Symptomsstart(34) _____ afeverover100.4 degreesF, chills, headacheorbody(35)____. Withinaweek, thepatienthasadrycough, whichmight(36) _____ toshortnessofbreath. In10% to20% ofcases, patientsrequire(37)_____ ventilationtobreathe. About3.5% diefromthedisease. Symptoms(38)____ beginintwotosevendays, butsomereportssuggestit(39) ____ takeaslongas10 days. Scientistsarecloseto(40) ____ alabtesttodiagnoseSARS. Inthemeantime, itisdiagnosedbyitssymptoms. Thereisnoevidence(41)____ antibioticsoranti-viralmedicineshelp, (42) _____ doctorscanofferonlysupportivecare. PatientswithSARSarekeptinisolationtoreducetheriskof(43) ____ Scientistsaren'tsureyet, butsomeresearchersthinkit'sa(44) ____ discoveredcoronavirus, thefamilyofvirusesthatcausesomecommoncolds.

Mostcasesappeartohavebeenpassed(45) ____ dropletsexpelledwheninfectedpatientscoughorsneeze. Familymembersofinfectedpeopleandmedicalworkerswhocare(46) ____ themhavebeenmostlikelyto(47) ____ theillness. ButrecentdevelopmentsinHongKongsuggestthatthe(48) ____ mightspreadthroughair, orthatthevirusmight(49) ____ fortwotothreehoursondoorknobsorother(50)____. Healthexpertssayitisunlikely, though, thatsharinganelevatorbrieflywithaninfectedpersonwouldbeenoughtopassthevirus.

(31) A. detectedB. caughtC. disclosedD. revealed
(32) A. butB. andC. orD. yet
(33) A. timeB. pointC. aspectD. instance
(34) A. fromB. overC. uponD. with
(35) A. hurtB. soreC. achesD. feelings
(36) A. processB. advanceC. progressD. convert
(37) A. automaticB. artificialC. mechanicalD. controlled
(38) A. regularlyB. ordinarilyC. traditionallyD. generally
(39) A. willB. mightC. shouldD. must
(40) A. cultivatingB. fosteringC. developingD. designing
(41) A. whichB. thatC. whetherD. what
(42) A. soB. butC. stillD. yet
(43) A. communicationB. transportationC. transformationD. transmission
(44) A. latelyB. newbornC. newlyD. renewed
(45) A. underB. throughC. beneathD. from
(46) A. forB. overC. afterD. about
(47) A. acquireB. receiveC. obtainD. contract
(48) A. ailmentB. ill-healthC. diseaseD. infection
(49) A. continueB. lingerC. delayD. persist
(50) A. exteriorsB. outsideC. surfacesD. coverings

答案：

31. Adetected32. Band33. Bpoint34. Dwith35. Caches

36. Aprogress37. Cmechanical38. Dgenerally39. Bmight40. Cdeveloping

41. Bthat42. Aso43. Dtransmission44. Cnewly45. Bthrough

46. Afor47. Dcontract48. Cdisease49. Blinger50. Csurfaces