第30练互联网类单词识记：keyboardlaunchmonitormousepasswordportableblogimagesurfcopycalculateglobedeleteebookemailInternetchatnetworkwebsitetimely短语扫描：surftheInternet网上冲浪savethedata保存数据developagoodhabitof养成……的好习惯chatwithsb.和某人聊天communicatewith和……通讯beconvenientto方便……outofdate过时的asenseofsecurity安全感beaddictedto沉迷于textamessage编辑短信[跟踪训练]Ⅰ.语境填词1．TheUNwouldplayamajorrolein________(monitor)aceasefire(停火)．2．Newspapersseizedontheresultsasproofthat______(globe)warmingwasn’treallyhappening.3．Liming________(发邮件)metosayhecouldn’tcome.4．The________(calculate)wasdifficult，butwefinallyworkeditout.5．Weareparticularlygratefultohimforhis________(time)help.Ⅱ.单项填空6．Somestudentsareso________withthecomputergamethatit’saffectingtheirstudies.A．addictedB．obsessedC．absorbedD．devoted7．Comeandseemewhenever________.A．youareconvenientB．youwillbeconvenientC．itisconvenienttoyouD．itwillbeconvenienttoyou8．—Myphonewas________andIdidn’trealizeituntilthismorning.—NowonderIcouldn’tgetthroughlastnight.A．outofdateB．outofplaceC．outoforderD．outofreach9．Thecountryhasalreadysentupthreeunmannedspacecraft，themostrecent________attheendoflastMarch.A．hasbeenlaunchedB．havingbeenlaunchedC．beinglaunchedD．tobelaunched10．Thelovelyboylikesto________withhisfriendsontheInternet.A．seeB．sayC．shareD．chatⅠ.阅读理解(2016·苏锡常镇三模)Computerpowerismovingintothe“cloud”—networksofdatacentresthatusetheInternettosupplyallkindsofservices，fromemailandsocialnetworkstodatastorageandanalysis.Theriseofcloudcomputingisrapidandcausinghugechangesinthetechindustry.Theoldguardissuffering：thisweek’s67billionmerger(合并)betweenDellandEMC，makersofcomputersandstoragedevicesrespectively(分别地)，wasamarriageforcedbytheriseofthecloud.Disruptive(捣乱的)newcomersareblooming：ifAmazon’scloudcomputingunitwereastandalonepubliccompany，itwouldprobablybeworthalmostasmuchasDellandEMCcombined.Thegainsforcustomershavebeenequallydramatic.ComparedwitholderITsystems，cloudcomputingisoftenmuchcheaper.Itaddstremendousflexibility：firmsthatneedmorecomputingcapacitynolongerhavetospendweeksaddingnewserversandinstallingsoftware.Inthecloudtheycangetholdofitinminutes.Theirapplicationscanbeupdatedcontinually，ratherthanjusteveryfewmonths.Individualuserscanreachtheiremails，filesandphotosfromanydevice.Andcloudservicesalsotendtobemoresecure，sinceprovidersknowbetterthantheircustomershowtoprotecttheircomputingsystemsagainsthackers.Butcloudcomputingmakesoneproblemworse.IntheoldITworld，onceafirmoraconsumerhaddecidedonanoperatingsystemordatabase，itwasdifficultandcostlytoswitchtoanother.Inthecloudthis“lockin”isevenworse.Cloudprovidersgotogreatlengthstomakeiteasytouploaddata.Theyaccumulatehugeamountsofcomplexinformation，whichcannoteasilybemovedtoanalternativeprovider.Cloudfirmsalsocreateaworldofinterconnectedservices，softwareanddevices，whichisconvenientbutonlyforaslongasyoudon’tventure(冒险)outsidetheiruniverse.Beinglockedintoaproviderisrisky.Firmscanstarttotightenthescrewsbyincreasingprices.Ifacloudprovidergoesbust(破产)，itscustomersmayhavetroublegettingbacktheirdata.Theseriskshavealreadycausedadebateaboutwhetherthecloudneedsstricterregulation.SomeEuropeanpoliticianswanttoforcecloudproviderstoensurethatdatacanbemovedbetweenthem.Thatistooheavyhanded，becauses...
