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.

Directions:

Inthissection,youwillheartwopassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionsmwillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarkedA,B,CandD.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecentre.PassageOneQuestions9to12arebasedonthepassageyouhavejustheard.

9、A.Sheescapedunhurt.

B.Shewitnessedtheshooting.

C.Shewasshottodeath.

D.Shewas15yearsold.

10、A.5.B.7.C.11.D.12.

11、A.Spear'sdigitalcamera.

B.Onesuspect'sgun.

C.Thequeen'svideo.

D.Berry'spurse.

12、A.Civiliansshouldkeepawayfromthebusinesszone.

B.Everybodyshouldthinkabouthowtofightagainstcrimes.

C.Governmentshouldscheduletonegotiatewithterrorists.

D.Peopleshouldemigratebecauseofdomestichighcrimerate.PassageTwo

Questions13to15arebasedonthepassageyouhavejustheard.

13、A.Increasingsalaries.

B.Surgingenergyproduction.

C.Boominghousingmarket.

D.Risinginterestrates.

14、A.Increasinginterestrate.

B.Decreasingfinancialproducts.

C.Buyingsubstantialsecurities.

D.Expandingfinancialbusiness.

15、A.Frackingcaninfluencetheburningoffossilfuels.

B.Theuseoffrackingwilldoharmtoenvironment.

C.Frackingtechnologyisasafepracticeinindustry.

D.Theuseoffrackingisbeneficialtopeople'shealth.

枕先露肛查胎头下降程度为+2是指

新生儿复苏过程中，以下哪一项是最重要和最有效的措施?

PartIVTranslation

Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)