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analysisrevealsthatmanyoftheecosystemsaresimplythegrade.A.doingwellenoughB.progressingC.functioningD.movingintherightdirection統(tǒng)根本沒有達(dá)到標(biāo)準(zhǔn)D.朝著正確的方向前進(jìn)。2.Nearlytwo-ecosystems,water,pureair,andstableclimate,areedbyunsustainableuse.A.preventedB.markedc.determinedD.madeworse2.近三分之二的地球生命支持生態(tài)系統(tǒng),包括清潔水。純凈的空氣和穩(wěn)定的氣候正在被不可持續(xù)的使用所破壞。3.Theyexaminedtheplanet'sspeciesandthesystemsthatbindthemtogether.A.regionsB.dwellingplacesC.sheltersD.refugesbcd4.Onlybyvaluingallourpreciousnaturalandhumanresources,canwehopetobuildfuture.A.prosperousB.diverseC.livableD.lasting4.只有珍惜我們所有寶貴的自然資源和人力資源,我們才能希望建設(shè)可持續(xù)發(fā)展的未來…bC.多樣化的宜居的持久。5.Perhaps10to30percentofEarth'smammal,bird,andamphibianspeciesareA.threatB.emergenceC.urgencyD.dyingout5.地球上大約10%到30%的哺乳動物、鳥類和兩棲動物都是如此面臨滅絕。6.TheMillenniumEcosystemAssessmentgivesus,insomewaysforthefirsttime,aninsightintotheeconomicimportanceofecosystemservicesandsomenewandforrespectingandconservingtheEarth'slife-supportsystems.A.promotingB.emphasisingC.protectingD.imposing6.千年生態(tài)系統(tǒng)評估在某些方面第一次給了我們,生態(tài)系統(tǒng)服務(wù)的經(jīng)濟(jì)重要性和一些新的見解以及其他關(guān)于尊重和保護(hù)地球生命維持系統(tǒng)的論點(diǎn)系統(tǒng)..7.Deforestationandotherradicalecosystempromotediseases,suchasmalariaandcholera,aswellasnewexistingcontagions.A.speciesB.transmittablediseasesC.destructionsD.degradation7.森林砍伐和其他生態(tài)系統(tǒng)的根本改變也會導(dǎo)致疾病,例如瘧疾和霍亂,以及現(xiàn)有傳染病的新菌株。8.Changestowatersystemsmayincreasethefrequencyanddestructivefloods.A.extensiveness.B.expansionC.expenditureD.seriousness8.水系統(tǒng)的變化可能會增加的頻率和嚴(yán)重性破壞性的洪水。9.Manyshouldberegardedasmorevaluablethanthosealteredforcommercialuse.A.previousB.priorC.untappedD.former9.許多完整的生態(tài)系統(tǒng)應(yīng)該被認(rèn)為比那些更有價(jià)值為商業(yè)用途而改變…10.Citingwetlandwildlifehabitat,waterperstorage,andrecreationalvalue,thereportappraisedintactThaimangrovesatathousandU.Sdollarsperacre(0.4hectare).A.estimationB.removalD.extinctionD.inspection10.列舉了濕地野生動物棲息地、水污染過濾、蓄水等傳統(tǒng)娛樂價(jià)值。該報(bào)告評估了保存完好的泰國紅樹林。每英畝(0.4公頃).ADBDDCBDCB1.Thehumidityoftheatmosphere,theandthepresenceofstreams,lakes,andsoilmoistureareimportanttoplants.A.rainB.lightC.soilD.airplantsmanufacturefoodstuffsinsunlight--aprocessknownasphotosynthesis.A.haveB.produceC.benefitD.consumeinfluencesseedsandtheproductionofblossoms.A.shapeB.arrangementC.developmentD.quality4.Tosecureamaximumamountofsunlight,theleavesontheverticalshootsarearrangedA.inacommonplaneB.incurvesC.inhorizontalorder5Thelightunderproportiontothedepth.A.weakensB.strengthensC.disappearsD.shines水下的光隨深度的增加而減少。6.Intropicalforeststhetreegrowthishatsunlightmayneverreachtheground.A.abusiveB.abundantC.thinD.close6.在熱帶森林里,樹木的生長非常茂盛,陽光可能永遠(yuǎn)也照不到到達(dá)地面。epiphytesgrowonupperlimbsoftreesandonpoles.Theirrootsaresuspendedinairandtheyabsorbmoistureandgasesfromthehumidatmosphere.A.expandedB.sustainedC.delayedD.hung中吸收水分和氣體氣氛..cellsofepiphytesarenottheycontainchoropbyllandtheymanufacturetheirownfood.A.paralyticB.parabolicC.dependantD.circular產(chǎn)食物。9.Thoughthelianainthesoil,itcanreachthesunlight.A.fixedB.grownC.foundD.surrounded9.藤本植物雖然扎根于土壤中,但卻能接觸到陽光。thebudsonahorizontalshootofthesetreesmaybearrangedspirally,theleavescommonlyarrangeacommonplaneoneithersideoftheshoot.A.altemativelyB.selectivelyC.verticallyD.interchangeably的同一平面上交替排列。ABCBABDCAD1.Addaandakeyboard,andthishomeentertainmentsystemwillstartlookingalotlikeapersonalcomputer.A.unwiredB.infraredC.cabledD.unchained1.電腦。2.Ononeestimate,peopleintheUnitedStatesalreadyinteractwithabout150embeddedsystemseveryday,whethertheyknowitornot.A.integrayedB.implantedC.includedD.embroidered2.據(jù)估計(jì),美國人已經(jīng)與大約150人進(jìn)行了互動嵌入式系統(tǒng)每天都在使用,不管他們是否知道。3.ThesesystenswillinevtbtytakeonmorePC-likecharacteristicsandwillbeabletocommunicateseamlesslywiththeirtrditionalPCcounterparts.A.unseeminglyB.fastC.perfectlyD.badlypc的特性。能夠與傳統(tǒng)PC對手無縫溝通。4.TheembeddedsystemwillalsobecomeA.uniqueB.unquestionableC.powerfulD.omnipresent5.Asacommunicationstool,theyexceptforafewprimitivee-mailnetworksandbulletin-boardsystems.A.principallyB.mostlyC.fundamentallyD.approximately5.作為一種交流工具,它們基本上沒有什么效果,只有少數(shù)例外原始的電子郵件網(wǎng)絡(luò)和布告板系統(tǒng)。PCisfindingitswayntoallkindsofthemfrompassiveappliancesintofarmoresignificantandindispensabletoolsforevery-daylife.A.developingB.adoptingC.modifyingDchanging不可缺少的工具一天的生活。7.ManyofthecoretechnologiesofcomputingareallcontinuingtoadvanceatapacethatmatchesorMoore'sLaw.A.surnassesBoutgrowsC.contradictsD.confirms7.計(jì)算的許多核心技術(shù)都在繼續(xù)向前發(fā)展符合甚至超過摩爾定律的速度。8.Wearestillalongwayfromaworldintelligentmachines.C.intangibleD.concrete9.Allthiswillleadtoafundamentalchangeincomputers.A.learnB.knowC.identifyD.see10.DecreasingcostswillmakeiteasyforelectronicsmanufacturerstoincludePC-likeintelligenceandconnectivityineventhemostmundanedevices.A.designsB.robotsC.appliancesD.vehiclesost將使電子制造商更容易將其包括在內(nèi)10.pc的智能和連通性,即使是在最普通的設(shè)備上。AACDBDACDC1.AcontroversialstudysuggestedthatnfGMpotatoesmightbetoxictolaboratoryrats.A.varietiesB.brandsC.cropsD.categoriesculminatedinanonthegrowthandimportofGMcropsinEuropeandledtoatradedisputewiththeUS.A.banB.preventionC.temporarystoppingD.restriction了與美國的貿(mào)易爭端。andregulations(DNAbarcodes)areinplaceforfoodinEuropetomonitorthespreadofGMcrops.A.acessingB.supervisoryC.regulatoryD.certifying播…engineeringallowsthattime-consumingprocesstobeacceleratedandexotictraitsfromunrelatedspeciestobeintroduced.A.foreignB.permenantC.improvedD.advanced5.Itproducesanthatharmlesstopeople.A.potentialityB.harmfulelementC.geneD.integrityplantshavebeenengineeredtoimproveflavor,increasehardnessandtobeallergen-free.A.efficiencyB.deteriorationC.reservationD.storageperiod7.Largenumbersoffieldtrials,carriedoutbytheUKgovernmentandothers,revealoccur.A.alterationB.crossbreedingC.degradatingD.implantation其他eveatypeofTPS,dubbedtheTerminatorsystembyitscritics,isagenetictrickthatmeansGMcropsfailtoA.dormantB.deadC.grownD.productive8.TPS不能產(chǎn)生肥沃的種子。quick-to-matureGMsalmonisendowedwithanearlyA.boostB.energyC.enrichmentD.remedial10.Geneticcropsmayofferthelargestpotentialbenefitstodevelopingnations.A.standardisationB.replacement.ACDABDBDACC.adjustmentD.creationthetheBigBangtheory,however,nolongercouldtheuniversebeconsideredinfinite.A.knowledgeB.understandingC.2.Whatexistedpriortothiseventiscompletelyunknownandisamatterofpurespeculation.A.assumptionB.deductionc.allteration3.TheBigBangactuallyconsistedofanexplosionofspacewithinitselfunlikeanexplosionofabombarethrownoutward.A.powderB.piecesc.metalD.energyar不同炸彈爆炸,碎片向外拋擲。4.Inadditiontotheunderstandingofthevelocityofromasinglepoint,thereisfurtherevidencefortheBigBang.A.emacipatingB.producingC.emittingD.speeding4.除了對星系的速度的理解外單從一點(diǎn)來看,大爆炸還有進(jìn)一步的證據(jù)。5.n1964,,аRnattempttodetectmicrowavesfromouterdisoveredanoiseofextraterrestrialorigin.A.unconsciouslyB.unknowinglyC.unintentionallyD.involuntarily2.e8010eweWee惡探測到來自外太空的微波,無意中違抗了一聲巨響外星起源。microwaveswereremarkablyuniformhomogeneityoftheearlystagesoftheuniverse.A.showedB.suspectedC.couter-arguedD.illuminated7.Thesecalculationsofthepossiblecoolinganddevelopmentoftheuniversejustfractionsofasecondafteritscreation.A.confirmedB.debatedC.unprovedD.agreed7.這些波動驗(yàn)證了之前對可能的冷卻和。宇宙的發(fā)展在它被創(chuàng)造后的幾分之一秒。BigBangtheoryprovidestooneofthemostpressingquestionsofalltime.A.reliableB.feasibleC.defensibleD.susceptible9.Afterfurthercooling,sprotonswouldbeabletocaptureanelectrontocreatecommonhydrogen.A.extraB.overloadC.freeD.uncharged9.在進(jìn)一步冷卻之后,這些多余的質(zhì)子將能夠捕獲an電子生成普通氫。10.Asmoreobservationsaremadeandmoreresearchconducted,theBigBangtheorybecomesmorecompleteandourknowledgeoftheoriginsoftheuniversemoresubstantial.A.fundamentalB.insistingC.comprehensiveD.extensive10.的起源對宇宙更大..DACCAABistheknowledgeasocietyhasthatcanbeappliedtomakingimplementsortocollectingmaterials.A.complementB.supplementC.improvementD.toolssocietycanrejectDDTandofdestroyinginsectpests.AchangingB.similarC.variousD.harmless3.Suchchoicesarenotmadebecauseofavailabletechnology,theyaremadebecausesocietyperceivesatechnologicalchoice.A.receivesB.realizesC.apprehendsD.makes4.Evenclosertoourownsociety,suchmajorassteamengines,airships,andthefirstplasticsweremadeonthebasisoflittleornounderstandingoftheirworkings.A.inventionsB.creationsC.progressD.machines很少或很少的基礎(chǔ)上制造出來的不了解他們的工作原理thesimplest
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