职称英语理工A级《完型填空》练习题.docx

职称英语理工A级《完型填空》练习题.docx

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职称英语理工A级《完型填空》练习题

2012年职称英语理工类A级完形填空模拟练习

（1）

阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案，涂在答题卡相应的位置上。

GDP&GNP

Governmentsallovertheworldmakepublicreportsabouttheconditionoftheireconomies.Mostcountries,includingtheUnitedStates,haveusedameasure（51）thegrossnationalproductorGNP.Itincludesall（52）andservicesproducedbycitizensofthecountryanywhereintheworld.

RecentlytheAmericanCommerceDepartmenthasstartedusinganew（53）tomeasureproduction.ItisknownasthegrossdomesticproductorGDP.Itcountsonlygoodsandservicesthathavebeenproduced（54）thenation’sborders.MoneyearnedbyforeigncompaniesoperatingintheUnitedStatesisincludedintheGDP,butmoneyearnedbyAmericancompaniesoperatinginothercountries（55）.

Economicexpertsgenerallyapprove（56）thechange.Theysaythatthegrossdomesticproductprovidesatruermeasureofthe（57）.Theyalsonotethatmostotherindustrialcountriesusethismethod.Thereforeitwillbeeasiertostudytheeconomiesofdifferentcountries.Some（58）alsohopethenewsystemwillhelpthem（59）bettereconomicpolicydecisions.Itwillprovidethem（60）aclearerunderstandingofeconomicactivityintheUS.Thenewmeasureis（61）likelytobeaffectedbysuddenchangesinforeignoilpricesorinthe（62）oftheAmericandollarinothercountries.EconomicexpertsbelievethatthechangefromGNPtoGDPwillimmediatelyreducethevalueofAmericanproduction（63）atleast40,000milliondollarsayear.Butthatisreallyavery（64）changeintheAmericaneconomy—lessthan1%.TheCommerceDepartmentreportstheunofficialgrossdomesticproductonce（65）threemonths.ThegovernmentalsocontinuestoreportGNPasithasfourtimesayearsince1941.

51　A．regardedB．calledC．knownD．addressed

52　A．goodsB．productC．goodD．commodity

53　A．wayB．methodC．meansD．skill

54　A．atB．outsideC．beyondD．within

55　A．isnotB．notC．arenotD．arenotincluded

56　A．ofB．withC．onD．to

57　A．economicsB．financeC．economyD．income

58　A．officersB．companiesC．officialsD．businessmen

59　A．makeB．reachC．formD．take

60　A．ofB．withC．toD．for

61　A．veryB．moreC．littleD．less

62　A．valueB．exchangeC．priceD．worth

63　A．atB．byC．toD．about

64　A．bigB．greatC．smallD．little

65　A．everyB．allC．eachD．everyother

ObtainingDrinkingWaterfromAirHumidity（A级）

Notaplanttobeseen,thedesertgroundistoo1.Buttheaircontainswater,andresearchscientistshavefounda2ofobtainingdrinkingwaterfromairhumidity.Thesystemisbasedcompletelyonrenewableenergyandisthereforeautonomous.

Crackspermeatethedried-outdesertgroundandthelandscapebearstestimonytothelackofwater.Butevenhere,wheretherearenolakes,riversorgroundwater,considerablequantitiesofwaterarestoredintheair.IntheNegevdesertinIsrael,forexample,annualaveragerelativeairhumidityis64percent--ineverycubicmeterofairthereare11.5millilitersofwater.

Germanresearchscientistshavefoundawayofconvertingthisairhumidityautonomouslyintodrinkablewater."Theprocesswehavedevelopedisbasedexclusivelyonrenewableenergysourcessuchasthermal3collectorsandphotovoltaiccells,whichmakesthismethodcompletelyenergy-autonomous.Itwillthereforefunctioninregions4thereisnoelectricalinfrastructure,"saysSiegfriedEgner,headoftheresearchteam.Theprincipleofthe5isasfollows:

hygroscopicbrine—salinesolutionwhichabsorbsmoisture—runsdownatower-shapedunitandabsorbswaterfromtheair.Itisthensuckedintoatankafewmeters6thegroundinwhichavacuumprevails.Energyfromsolarcollectorsheatsupthebrine,,whichisdilutedbythewaterithas7

Becauseofthevacuum,theboilingpointoftheliquidis8thanitwouldbeundernormalatmosphericpressure.Thiseffectisknownfromthemountains:

astheatmosphericpressure9islowerthaninthevalley,waterboilsattemperatures10below100℃.Theevaporated,non-salinewateriscondensedandrunsdownthroughacompletelyfilledtubeinacontrolledmanner.Thegravityofthiswatercolumncontinuouslyproducesthevacuumandsoavacuumpumpisnotneeded.Thereconcentratedbrinerunsdownthetowersurface11toabsorbmoisturefromtheair.

"Theconceptissuitableforvariouswater12Single-personunitsandplants13watertoentirehotelsareconceivable,"saysEgner.Prototypeshavebeenbuiltforbothsystemcomponents-airmoistureabsorptionandvacuumevaporation-andtheresearchscientistshavealready14theirinterplayonalaboratoryscale.Inafurthersteptheresearchersin-tendtodevelopademonstration15.

练习：

1.Adry

Bdirty

Csandy

Dclean

2.Apath

Bway

Cchannel

Droad

3.Aoil

Bwood

Ccoal

Dsolar

4.Awhen

Bwhat

Cwhere

Dwho

5.Apromise

Bprogress

Cprospect

Dprocess

6.Aof

Bwith

Coff

Dbelow

7.Aabsorbed

Batt