在职攻硕英语考试

【单选题】WhenColumbusreachedtheNewWorld,cornwasthemostwidelygrownplantintheAmericas.Thisplant‘srangeextendedfromwhatisnowsouthernCanadatolowerSouthAmerica.Atthattimesometribescultivateditatsealevel,othersatelevationofmorethan11,000feet.
"Columbushadnowayofknowingthatcornwasfarmorevaluablethanthespices(香料)andgoldhehadhopedtofind."saidFrancesB.King,aprofessoratauniversityofPittsburgh.Throughhumanintervention,thisplanthasdevelopedintoseveralhundredraces,orvarieties.Theirheightsvaryfrom2to12feet,andtheirmaturityrangesfromlittlemorethan2monthstoalmostayear.Theirearsvarynotonlyincolor,butalsoinsize.
Unlikeothercereals(谷类),cornbearslittleresemblancetoitswildancestors.Infact,itdiffersfromtheappearanceofitsimmediateancestorsmorethananyothercultivatedplantknown.Fromhumbleoriginsasalowlandgrass,corndevelopedintothewesternworld‘simportantgrain.Asitshighyieldsallowedcommunitiestogrowfarbeyondwhatearlyagriculturecouldfeed,mostscientistsviewedcornashavinglargelyfueledpre-Columbiangrowthandcivilization.
Now,newfindingsaregreatlyalteringresearchers‘notionsaboutthetimewhencornrevolutionoccurred.NewdatesforitsemergencefromMesoamenricadonotsupportthewidelyheldview.TheevidencenowsuggeststhatthesignsofcorninAmericascandateback5,500yearsatleast.
31.Thefirstparagraphstatesthatcorn（）.
A.wasmainlygrownatsealevel
B.wasnotgrownbelowtheelevationof11,000feet
C.waswidelygrowninCanadaonly
D.spreadthroughoutAmericas
32.Thesecondparagraphimpliesthat（）.
A.thepurposeofColumbus‘explorationwastodiscovercorn
B.cornwasoneofColumbus‘discoveries,butmorepreciousthananythingelse
C.ColumbusknewcornsowellthathebroughtbacktoEuropeatonce
D.cornwastheonlyColumbus‘discoverythatwasremembered
33.Accordingtothepassage,somevarietiesofcorncan（）.
A.ripenlittlemorethan2months
B.lastlittlemorethan2months
C.stayfreshforalmostayear
D.stayalivefrom2monthstoalmostayear
34.Cornhelpedtheearlycommunitiestogrowbecause（）.
A.itwaseasytodigestB.ithadalotofvarieties
C.itcouldproducehighyieldsD.itcouldlastlong
35.Thewidelyheldviewwaschallengedby（）.
A.anewrevolution
B.newfindingsaboutcorn
C.thesignsofcorn5,500yearsago
D.newdatesforcommunities‘emergence

【单选题】In Australia the Asians have made their influence ______ in businesses, large and small.
A．feeling
B．feel
C．felt
D．to be felt

【单选题】I need to move to a larger apartment. Do you know of any ______ ones in this neighborhood
A．empty
B．blank
C．vacant
D．bare

【单选题】Man: When are we supposed to submit our project proposals, JaneWoman: They're due by the end of the week. We've only two days left. We'll just have to hurry.Question: What does the woman mean
A．The deadline is drawing near.
B．She turned in the proposals today.
C．She can't meet the deadline.
D．They are two days ahead of time.

【单选题】It was some time before he ______ after being knocked out.
A．came to
B．came back
C．came over
D．came across