已知某投资项目的原始投资额为100万元，投资期为2年，投产后第1～3年每年现金净流量为25万元，第4～10年每年现金净流量为20万元。则该项目包括投资期的静态回收期为（　　）。

二只50mL容量瓶，分别为(1)、(2)，在(1)号容量瓶中加入Cd2+未知液5.0mL，测得扩散电流为10μA，在(2)号容量瓶中加入Cd2+未知液5.0mL，再0.005mol/LCd2+标准溶液5.0mL，测得扩散电流为15μA，未知溶液中Cd2+的浓度是多少(mol/L)()

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?

1.Inordertodiscusstheidealparametersofoperationalamplifiers,wemustfirstdefinetheterms,andthengoontodescribewhatweregardastheidealvaluesforthoseterms.

对于序列numbers=[1,2,3,4,5,6,7,8,9,10]，以下相关操作和对应输出正确的是哪一项?（）

执行下列语句后a的值为（）inta＝5,b＝6,w＝1,x＝2,y＝3,z＝4;(a＝w>x)&&(b＝y>z);

给出下面代码：　　1:classParent{　　2:privateStringname;　　3:publicParent(){}　　4:}　　5:publicclassChildextendsParent{　　6:privateStringdepartment;　　7:publicChild(){}　　8:publicStringgetValue(){returnname;}　　9:publicstaticvoidmain(Stringarg[]){　　10:Parentp=newParent();　　11:}　　12:}　　那些行将引起错误？()

对于下列代码：　　1:classPerson{　　2:publicvoidprintValue(inti,intj){//...}　　3}:publicvoidprintValue(inti){//...}　　4:}　　5:publicclassTeacherextendsPerson{　　6:publicvoidprintValue(){//...}　　7:publicvoidprintValue(inti){//...}　　8:publicstaticvoidmain(Stringargs[]){　　9:Persont=newTeacher();　　10:t.printValue(10);　　11:}　　第10行语句将调用哪行语句？()

假设以S和X分别表示进栈和退栈操作，则对输入序列1,2,3,4,5进行一系列栈操作SXSSXSSXXX之后，得到的输出序列为（）。

1．请阅读以下代码，调用函数factorial(4)的结果为（）。functionfactorial(n){//定义回调函数if(n==1){return1;//递归出口}returnn*factorial(n-1);}A、1B、2C、6D、24

1．阅读以下代码，输出结果为（）。vari=24;for(leti=0;i<10;++i){}console.log(i);A、24B、9C、10D、undefined

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：defhub(ss,x=2.0,y=4.0):ss+=x*yss=10#无返回值print(ss,hub(ss,3))

以下代码的输出结果是foriinrange(1,6):ifi%4==0:breakelse:print(i,end=’,’)

数据序列（2,1,4,9,8,10,6,20）只能是下列排序算法中的（）的两趟排序后的结果。