当前位置:考试网  > 试卷库  > 外语类  > 大学英语  > 大学英语四级  > Passage2 Questions6to10arebasedonthefollowingpassage: Whenaluminumwasfirstproducedaboutahundredandfiftyyearsago,itwassodifficulttoseparateformtheoresinwhichitwasfoundthatitspricewashigherthanthatofgold.Thepriceremainedhighuntilanewprocesswasdiscoveredforrefiningthemetalwiththeaidofelectricityapproximatelythreequartersofacenturylater.Thenewmethodwassomuchcheaperthataluminumbecausepracticalformanypurposes,oneofwhichwasmakingpotsandpans. Aluminumislightweight,rustproofandeasilyshapedintodifferentforms.Bymixingitwithothermetals,scientistshavebeenabletoproduceavarietyofalloys,someofwhichhavethestrengthofsteelbutweighonlyonethirdasmuch. Today,theusesofaluminumareinnumerable.Perhapsitsmostimportantuseisintransportation.Aluminumisfoundintheengineofautomobiles,inthehullsofboats.Itisalsousedinmanypartsofairplanes.Infact,thehuge“airbus”planeswouldprobablyneverhavebeenproducedifaluminumdidnotexist.Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,Aluminumisalsobeingusedextensivelyinthebuildingindustryinsomecountries. Sincealuminumissuchaversatile(多用的)metal,itisfortunatethatbauxite(铝土矿),whichisoneofitschiefsources,isalsooneoftheearth’smostplentifulsubstances.Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal. 6.Thepriceofaluminumwassharplyreducedwhenpeoplediscoveredanewrefiningprocesswiththeaidof. A.windB.solarenergyC.hydraulicpowerD.electricity 7.Aluminumis. A.lightweight,rustproofbutnoteasilyshapedintodifferentforms B.heavyweight,rustproofandeasilyshapedintodifferentforms C.lightweight,rustproofandeasilyshapedintodifferentforms D.lightweightandeasilyshapedintodifferentformsbutitiseasytobecomerusty 8.WhichofthefollowingisNOTtrue? A.Aluminumiswidelyusedintransportation. B.Aluminumisalsousedinmanypartsofairplanes. C.Aluminumisbeingusedextensivelyinthebuildingindustry. D.Aluminumisnotusedinitspureform. 9.Aluminumisfoundonearthmostlyintheformof. A.puremetalB.bauxiteC.goldD.liquid 10.Whatisthepassagetalkingabout? A.Thefeaturesofaluminumanditsfunctions.B.Theprocessofaluminum. C.Thediscoveryofaluminum.D.Thepromisingfutureofaluminum.
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Passage2

Questions6to10arebasedonthefollowingpassage:

Whenaluminumwasfirstproducedaboutahundredandfiftyyearsago,itwassodifficulttoseparateformtheoresinwhichitwasfoundthatitspricewashigherthanthatofgold.Thepriceremainedhighuntilanewprocesswasdiscoveredforrefiningthemetalwiththeaidofelectricityapproximatelythreequartersofacenturylater.Thenewmethodwassomuchcheaperthataluminumbecausepracticalformanypurposes,oneofwhichwasmakingpotsandpans.

Aluminumislightweight,rustproofandeasilyshapedintodifferentforms.Bymixingitwithothermetals,scientistshavebeenabletoproduceavarietyofalloys,someofwhichhavethestrengthofsteelbutweighonlyonethirdasmuch.

Today,theusesofaluminumareinnumerable.Perhapsitsmostimportantuseisintransportation.Aluminumisfoundintheengineofautomobiles,inthehullsofboats.Itisalsousedinmanypartsofairplanes.Infact,thehuge“airbus”planeswouldprobablyneverhavebeenproducedifaluminumdidnotexist.Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,Aluminumisalsobeingusedextensivelyinthebuildingindustryinsomecountries.

Sincealuminumissuchaversatile(多用的)metal,itisfortunatethatbauxite(铝土矿),whichisoneofitschiefsources,isalsooneoftheearth’smostplentifulsubstances.Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.

6.Thepriceofaluminumwassharplyreducedwhenpeoplediscoveredanewrefiningprocesswiththeaidof.

A.windB.solarenergyC.hydraulicpowerD.electricity

7.Aluminumis.

A.lightweight,rustproofbutnoteasilyshapedintodifferentforms

B.heavyweight,rustproofandeasilyshapedintodifferentforms

C.lightweight,rustproofandeasilyshapedintodifferentforms

D.lightweightandeasilyshapedintodifferentformsbutitiseasytobecomerusty

8.WhichofthefollowingisNOTtrue?

A.Aluminumiswidelyusedintransportation.

B.Aluminumisalsousedinmanypartsofairplanes.

C.Aluminumisbeingusedextensivelyinthebuildingindustry.

D.Aluminumisnotusedinitspureform.

9.Aluminumisfoundonearthmostlyintheformof.

A.puremetalB.bauxiteC.goldD.liquid

10.Whatisthepassagetalkingabout?

A.Thefeaturesofaluminumanditsfunctions.B.Theprocessofaluminum.

C.Thediscoveryofaluminum.D.Thepromisingfutureofaluminum.

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Part III Cloze

Directions: There are twenty blanks in the following passage. For each blank there are four choices. Choose the one that best fits into the passage and then marks your answer on the Answer Sheet.

Before the 20th century the horse provided day to day transportation in the United States. Trains were used only for long-distance transportation.

Today the car is the most popular 61 of transportation in all of the United States. It has completely 62 the horse as a means of everyday transportation. Americans use their cars for 63 90 percent of all personal 64 .

Most Americans are able to 65 cars.

The average price of a 66 made car was 1 050 in 1950, 1 740 in 1960 and up to 1 750 67 1975. During this period American car manufacturers set about 68 their products and work efficiency.

As a result, the yearly income of the 69 family increased from 1950 to 1975 70 than the price of cars. For this reason 71 a new car takes a smaller 72 of a family’s total earnings today.

In 1951 73 it took 8.1 months of an average family’s 74 to buy a new car. In 1962 a new car 75 8.3 of a family’s annual earnings. By 1975 it only took 4.75 76 income. In addition, the 1975 cars were technically 77 to models from previous years.

The 78 of the automobile extends throughout the economy 79 the car is so important to Americans. Americans spend more money to 80 their cars running than on any other item.

61. A. kinds B. means C. mean D. types

62. A. denied B. reproduced C. replaced D. ridiculed

63. A. hardly B. nearly C. certainly D. somehow

64. A. trip B. works C. business D. travel

65. A. buy B. sell C. race D. see

66. A. quickly B. regularly C. rapidly D. recently

67. A. on B. in C. behind D. about

68. A. raising B. making C. reducing D. improving

69. A. unusual B. interested C. average D. biggest

70. A. slowest B. equal C. faster D. less than

71. A. bringing B. obtain C. bought D. purchasing

72. A. part B. half C. number D. side

73. A. clearly B. proportionally C. percentage D. suddenly

74. A. income B. work C. plans D. debts

75. A. used B. spend C. cost D. needed

76. A. months’ B. dollars C. family D. year

77. A. famous B. superior C. fastest D. purchasing

78. A. running B. notice C. influence D. discussion

79. A. then B. as C. so D. which

80. A. start B. leave C. keep D. repair

You have your choice of three _____ of ice cream.

Part V Writing

Directions: In this part you are required to write an essay about Saving Energies and Resources. You should write at least 120 words and base your composition on the outline (given in Chinese) below:

1、随着社会的发展,厉行节约越来越重要;

2、生活中许多方面都可以节约;

3、每个人都应该养成节约的好习惯。

Icertainlydidn’tintendto_____yourplans.

PartIReadingComprehension

Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyfourcomprehensionquestions.Readthepassageandanswerthequestions.ThenmarkyouranswerontheAnswerSheet.

Passage1

Questions1to5arebasedonthefollowingpassage:

Someyearsagothecaptainofashipwasveryinterestedinmedicine.Healwaystookmedicinebookstoseaandlikedtotalkaboutdifferentdiseases.

Onedayalazysailoronhisshippretendedtobeill.Helayonhisbunk(铺)andgroanedasifhewereverysick.Thecaptaincametoseehimandwasverypleasedtohaveapatienttolookafter.Hetoldthemantorestforafewdaysandmadetheothersailorsdohiswork.Threedayslateranothersailorpretendedthathehadsomethingwrongwithhischest.Oncemorethecaptainlookedinhismedicalbooksandtold“sick”mantohavearest.

Theothersailorswereveryangrybecausetheyhadmoreworktodo.Thepatientshadthebestfoodandlaughedattheirfriendswhenthecaptainwasnotlooking.Atlastthemate(船长副手)decidedtocurethe“sick”men.Hemixedupsomesoap,soot(烟灰),glue(胶水)andotherunpleasantthings.Thenheobtainedpermissionfromthecaptaintogivehismedicinetothe“sick”men.Whentheytastedthemedicine,theyreallydidfeelill.Itwassohorriblethatoneofthepatientsjumpedoutofhibunk,ranupondeskandclimbedthehighestmastontheship.Hedidnotwantanymoremedicine.

Thematetoldbothofthementhattheymusttakethemedicineeveryhalfanhour,nightandday.Thissooncuredthem.Theybothsaidtheyfeltbetterandwantedtostartwordagain.Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage.

1.Thefirstsailorpretendedtobeillbecausehewantedto.

A.testthecaptain’sknowledgeofmedicineB.befreefromwork

C.havethebestfoodontheshipD.playajokeonhisfriends

2.Whenthecaptainknewasailorwasill,he.

A.didn’tcaremuchB.sentforadoctor

C.lookedafterhimandtoldhimtohavearestD.gavehimsomemedicine

3.Thepatientsfeltbetterquicklybecause.

A.theyhadbeengivenpropermedicine

B.theylearnedthatthecaptainhadfoundoutthetruth

C.theywerelaughedatbytheirfriends

D.themedicinethemategavewashorrible

4.Whenthecaptainknewhehadbeendeceived,he.

A.toldthemnottodosoagainB.losthistemper

C.madethemworkharderD.firedthem

5.Whichofthefollowingbestsummarizesthepassage?

A.AsuddenCure.B.TwoPatients.C.CaptainandSailors.D.ADifficultVoyage.

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