Imagineyouenteracarwithnosteeringwheel,nobrakeoracceleratorpedals(踏板).Underavoice-activatedcommand,yousayanaddress“Thefastestroutewilltakeus15.3minutes.ShouldItakeit?”Yousay“yes”andyouareonyourway.Thecarrespondsandstartsmovingallbyitself.Allyouhavetodoissitbackandrelax.Howweirdwoulditbeif,onedayinthefuture,everyonehadsuchacar?Nocrazydiving,noinsults,nocuttingin;trafficlawswouldberespectedanddrivingmuchsafer.Ontheotherhand,imaginethecostsavingsforlocalpoliceenforcementandtownbudgetswithoutallthosespeedingandparkingtickets.Anewtechnologyhasthepotentialtochangemodernsocietyinradicalways.There’snoquestionthatself-drivingvehiclescouldbeanenormousbenefit.Thepotentialforsafercarsmeansaccidentstatisticswoulddrop:some94%ofroadaccidentsintheU.S.involvehumanerror.Olderdriversandvisually-orphysically-impairedpeoplewouldgainanewleveloffreedom.Maintainingsafespeedsandbeingelectric,self-drivingcarswoulddrasticallyreducepollutionlevelsanddependencyonnon-renewablefuels.Roadswouldbequieter,peoplesafer.Butwemustalsoconsidertheimpactofthenewtechnologyonthosewhonowdependondrivingfortheirlivelihoods.AccordingtotheU.S.DepartmentofLabor,inMay2015therewere505,560registeredschoolbusdrivers.TheAmericanTruckingAssociationlistsapproximately3.5millionprofessionaltruckdriversintheU.S.Thecompaniesdevelopingself-drivingvehiclesshouldbepartneringwithstateandfederalauthoritiestoofferretrainingforthismassiveworkforce,manyofwhomwillbedisplacedbythenewtechnology.Thisissimilartowhat’shappeninginthecoalandoilindustries,asituationthatfuelsmuchofthecurrentpoliticaldiscontentinthiscountry.Newtechnologieswill,andshould,bedeveloped.Thisishowsocietymovesforward.However,progresscan’tbeone-sided.Itisnecessaryforthecompaniesandstateagenciesinvolvedtoconsidertheethicalconsequencesofthesepotentialchangestobuildabetterfutureforall.14.Whatistheresultoftheintroductionofnewtechnologiesinenergyindustries?

Cross-cultureUnderstandingonBusinessWeliveinaglobalvillage,buthowwelldoweknowandunderstandthecross-cultureonbusiness?MaybeweassumethatthewidespreadunderstandingofEnglishlanguagemeansacorrespondingunderstandingofEnglishcustoms.However,itmightnotbenecessarilythecase.Ifwewanttohavegoodbusiness,wemusthavethecross-cultureunderstandingonbusiness.Herearesometipsforyoutopayattentionto:EyeContactInmanyWesterncountries,includingtheUnitedStates,apersonwhodoesnotmaintain“goodeyecontact”isregardedasbeingslightlysuspicious.Americansunconsciouslyassociatepeoplewhoavoideyecontactasunfriendly,insecure,untrustworthy,inattentiveandimpersonal.However,incontrast,Japaneseadultslowertheireyeswhenspeakingtoasuperior,agestureofrespect.InThailandyoushouldclaspyourhandstogetherandloweryourheadandyoureyeswhenyougreetsomeone.LatinAmericanculture,aswellassomeAfricancultures,suchasNigeria,havelongerlookingtime,butprolongedeyecontactfromanindividualoflowerstatusisconsidereddisrespectful.IntheUS,itisconsideredrudetostare–regardlessofwhoislookingatwhom.Incontrast,thepoliteEnglishmanistaughttopaystrictattentiontoaspeaker,tolistencarefully,andblinkhiseyestoletspeakerknowheorshehasbeenunderstoodaswellasheard,whileinPakistanyoumustn’twinkforit’soffensive.TimeofArrivalImagineyouhavemadeanappointmentatthreeo’clock.Whattimeshouldyouexpectyourforeignbusinesscolleaguestoarrive?Ifthey’reGerman,they’llberightontime.Ifthey’reAmerican,they’llprobablybe15minutesearly.Ifthey’llbeBritish,they’llbe15minuteslateandyoushouldallowuptoanhourfortheItalians.AtMealandDrinkingTimeTheBritisharehappytohavebusinesslunchanddiscussbusinessmatterswithadrinkduringthemeal;theJapaneseprefernottoworkwhileeating.Lunchisatimetorelaxandgettoknowoneanother,andtheyrarelydrinkatlunchtime.TheGermansliketotalkbusinessbeforedinner.However,incontrast,theFrenchliketoeatfirstandtalkafterwards.Theyhavetobewellfedandwateredbeforetheydiscussanything.Andyoushouldn’tsitdowninacaféuntilyou’veshakenhandswitheveryoneyouknowinFrance.InRussiayoumustmatchyourhostsdrinkfordrink,ortheywillthinkyouareunfriendly;inAmericayoushouldeatyourhamburgerwithbothhandsandasquicklyasyoucan.Youshouldn’ttrytohaveaconversationuntilitiseaten;intheMiddleEastyoumustneverusethelefthandforeating,drinking,smokingorgreeting.Also,youshouldtakecarenottoadmireanythinginyourhost’shome.Theywillfeelthattheyhavetogiveittoyou.Thereareothersuggestionsoncross-cultureunderstandingonbusinessthatmighthelpyouwithyourbusiness.Onlyafewhavebeenmentionedhere.Beforeyougotoacountryonbusiness,youshouldhavetolearnsomethingmoreaboutherculture.WheninRome,doastheRomansdo.Choosethebestanswerforthefollowingquestions.4)Whichnationalityisthemostpunctualaccordingtothetext?

4.Microwavesareelectromagneticwaveswithwavelengthslongerthanthoseofgigahertz(gHz)frequencies,butrelativelyshortforradiowaves.

14.01956年4月召开的中央书记处会议上，毛泽东提出了（）的任务。

4.删除基本表用ALTER_语句，删除基本表的元组用UPDATE语句.

若有：inta＝1,b＝2,c＝3,d＝4,m＝2,n＝2;则执行（m＝a>b）&&(n＝c>d)后n的值是（）

4、数字程序控制简称数控，代表加工顺序、加工方式和加工参数的数字码作为控制指令。（）

4、关于MATLAB中的变量，说法错误的是（）

在定义inta[5][4];之后，对数组元素的引用正确的是（）

执行下面程序段后，正确结果是（）。intx;x=3+4%5-6;printf(“%d”,x);

1．阅读以下代码，运行结果为（）。[2,3,4,5].reduce(function(total,item){returntotal+item;});A、14B、3C、10D、120

以下程序的输出结果是：deftest(b=2,a=4):globalzz+=a*breturnzz=10print(z,test())

以下程序的输出结果是：defhub(ss,x=2.0,y=4.0):ss+=x*yss=10#无返回值print(ss,hub(ss,3))

以下程序的输出结果是ls1=[1,2,3,4,5]ls2=[3,4,5,6,7,8]cha1=[]foriinls2:ifinotinls1:cha1.append(i)print(cha1)

以下程序的输出结果是：deftest(b=2,a=4):globalzz+=a*breturnzz=10print(z,test())