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Unit2TextA1.Whywon’toilpricesriseatalloverthelongtime?Firstly,becauseproducersneedthecashfromoiltoomuchtolettheirsupplybeinterruptedforlong.Secondly，andmoreimportant,becausedemandgrowthcan'tpushpricesupwardaslongasitisbalancedbysupplygrowth.2.Whycan’tthemembersoftheOPECraiseoilprices?Becauseiftheydo，non-OPECsourceswillgrabmarketsharebydevelopingfieldswheretechnologyhasmadeproductionaffordable.3.Whyhavemostmajorscuttheircostsonoil?Becausetechnologyletsthecompaniesmaintainhealthyearningsatsteadilyloweroilprices.4.Whotakesaleadintheoilcompanies?Thosethatmastertechnologyandefficiency,suchasShell,Exxon,andBritishPetroleum.1.Inthefirstyearofpeace,Lebanon’sGDPsoaredbyalmost40%.A.flewB.hovereedCincreasedD.decreased2.SAIC’spreviousskirmisheswithinvestigatorshadattractedlittleattention.A.conflictsB.strugglesC.skatesD.arguments3.Theboygrabbedholdofmybaganddisappearedquicklyintothecrowd.A.seizedB.snappedC.snatchedD.sneaked4.AlthoughChicagohasfaredbetterthansomecities,unemploymentremainsaproblem.A.gotonB.chargedC.offeredjobsD.providedwelfare5.Thedwarfsweredevastated,becausetheycouldnotfigureouthowtosaveSnowWhitethistime.A.calculateB.rateC.considerD.decide6.HisdistrustofthepowerofcriticsmadehimreadytogibeatDividSylvester.A.laughB.ridiculeC.susceptibleD.harmful7.Childrenaremostvulnerabletoabusewithintheirownhome.A.unprotectedB.sensibleC.susceptibleD.harmful8.ShortofthePresidenthimself,probablynoonecouldhaveputtheAmericancasemorepersuasively.A.RatherthanB.OtherthanC.LessthanD.ShortforTextB1.Itsnakesinandoutofports,alongourbusiesthighwaysandthroughourmostcrowdedcities.A.sneaksB.jerksC.crawlsD.travels2.Sheadjustedherglassesandpeeredattheman.A.gapedB.gazedC.glaredD.ogle3.Southeastwindsnudgedtheoilslickontotheshore.A.pushedB.pokedC.promptedD.prodded4.Myhousehadbeentetheredtoapost,butsomehowitescaped.A.corralledB.tiedC.ridD.confined5.Thebridgeisbuilttowithstandanearthquakeof8.3magnitudes.A.standB.persistC.resistD.consist6.Anevaporationsystemisusedtodissipateheatfromthesunandprotecttheshuttle’selectronics.A.squanderB.wasteC.accumulateD.disperse7.NarcissuswasayoungmanwhospurnedthenymphEchoandbecameenamouredofhisownreflection.A.refusedB.scornedC.affectedD.restrained8.Thisdisparityinsocialattitudesiscertainlyreflectedintheambivalentfeelingsheldbyretiredpeople.A.ambiguousB.introvertC.conflictingD.elusive9.Commercialsauerkrautisverysaltysothereisnoadditionalsaltintherecipe.A.receiptB.prescriptionC.menuD.formula10.Ratailsalesofthequintessentialredmeatsareplummeting,whilstvegetarianismhasbecomeafashionablenorm.A.ascendingB.decreasingC.declinedD.weakeningUnit61.Whatarethedisadvantagesofpaperaccordingtotheauthor?Papertakesuppreciousspace,canbeinonlyoneplaceatatime,isextremelyhardtoindexorsearchthrough,andlacksalltheinteractivityandlinkingabilityofhypertext.2.Whatarethemajorcategoriesoffilesinanoffice?Intheoffice,filescanbemainlyclassifiedintohotfiles,documentstobeactedonimmediately;warmfiles,stillactivebutoflessurgencyandcoldfiles,documentsthatdon'tneedimmediateattention.3.Whyisitunpleasanttoreadsomethingonacomputerscreen?Becausetherearesuchannoyances/disadvantagesastherelativelyfuzzytype,glare,theneedtoscrollrepeatedly,thescreen'srelativelyfixedpositionandsoforth.4.Whataretheessentialproblemsinusingcomputersinpolicedepartments?First,thepolicefoundtheyspentsomuchtimedealingwiththecomputerinterfacethattheyfellshortinlisteningandtalkingtovictims,anessentialactivitybothforofferingcomfortandforpickingupsubtlecluestowhatexactlyhadhappened.Second,thegoalofpromptreportingwascompromisedbythefactthatpolicekeptrevisingtheirreportsafterfilingthem.5.Whatarethereasonsforpeople’schimeraofgoingpaperlessaccordingtotheauthor?Firstly,peoplewhocanprofitfromtheideakeepsellingittous.Secondly,alltechnologiescomedowntoourtryingtogetwhatwewant,whatwedesire.Andmuchofwhatwedesirecomesdowntotakingcontrolofourlives,doingwhatwepleasewithoutbeingoverwhelmedbywhatwedon'tplease.6.Whycannotcomputersreplacepaperinanoffice?(useyourownwords)First,paperhassomehiddenadvantagesovercomputersespeciallyinthefollowingthreeaspects—reading,writingandpersonalsatisfactionindelivery.Furthermore,computerscan'treplacepapercompletelyinsomeactivitiessuchasair-trafficcontrolandwritinguppolicereports.TEXTAtask2ACABCBCDDATEXTBtask3CBACACBCDATEXTA1，Advocatesoforganicfoodsfrequentlyproclaimthatsuchproductsaresaferandmorenutritiousthanothers.A.announceB.denounceC.pronounceD.renounce2,IfImayventureanopinion,I’dsaytheplanneedscloserexamination.A.exposeB.eliminationC.expressD.export3.Thesephotograghscapturetheessenceofworking-classlifeattheturnofthecentury.A.describeB.prescribeC.inscribeD.ascribe4.TherewasapreponderanceoffemaleteachersintheEnglishdepartment.A.dominationB.dominanceC.occupationD.regime5.Clarencehadonlyafewfuzzymemoriesofhisgrandparents.A.ambiguousB.brightC.obscureD.blur6.Whathehasachievedisanextraordinaryfeatthatwouldbeimpossibletoduplicate.A.photocopyB.equalC.praiseD.describe7.He’sstoppedtakingdrugsnow,buthemayreverttotakingthemagain.A.resortB.reduceC.restoreD.recover8.Asoftenasnot