179 Adding 5 people to a 4 person team increases the communication channels by a factor of:A. 2 timesB. 3 timesC. 4 timesD. 5 timesE. 6 times

179 Adding 5 people to a 4 person team increases the communication channels by a factor of:

A. 2 times

B. 3 times

C. 4 times

D. 5 times

E. 6 times


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在J2EE中,使用()选项中的代码,可以生成如下XML文档:PEOPLEPERSONNAMETonyBlair/NAME/PERSONPEOPLE A.Elementpeople=doc.createElement(PEOPLE);Elementperson=doc.createElement(PERSON);Elementname=doc.createElement(NAME);name.appendChild(doc.createTextNode(TonyBlair));people.appendChild(person);person.appendChild(name);doc.appendChild(people);B.Elementpeople=doc.createElement(PEOPLE);Elementperson=doc.createElement(PERSON);people.appendChild(person);Elementname=doc.createElement(NAME);name.appendChild(doc.createTextNode(TonyBlair));person.appendChild(name);doc.appendChild(people);C.Elementpeople=doc.createElement(PEOPLE);Elementperson=doc.createElement(PERSON);people.appendChild(person);Elementname=doc.createElement(NAME);name.appendText(doc.createTextNode(TonyBlair));person.appendChild(name);doc.appendChild(people);D.Elementpeople=doc.createElement(PEOPLE);Elementperson=doc.createElement(PERSON);Elementname=doc.createElement(NAME);name.createTextNode(TonyBlair);people.appendChild(person);person.appendChild(name);doc.appendChild(people);

根据以下材料回答第 1~5 题:A.Maybe I should call a taxiB.can you help meC.it’s the second leftD.not reallyE.at the traffic lightsF.Not al allG.Museum DriveH.Thanks again第 56 题 Tourist:Excuse me, 56 ?I'm lost!Person:Certainly,where would you like to go?Tourist:I'd like to go to the museum,but I can’t find it.Is it far?Person:N0, 57 .It’s about a 5 minute walk.Now,go along this street to thetraffic lights.Do you see them?Tourist:Yes,I can see them.Person:Right, 58 ,turn left into Queen Mary Avenue.Tourist:Queen Mary Avenue.Person:Right.Go straight on.Take the second left and enter Museum Drive.Tourist:OK.Queen Mary Avenue,straight on and then the second left, 59 .Person:Right.Just follow Museum Drive and the museum is at the end of the road.Tourist:Great.Thanks for your help.Person: 60 .

(72)A.tracksB.pathsC.streetsD.channels

Anetworktechnicianisinstallingaseriesofthreeaccesspointstocovertheentirewingofabuilding.Eachaccesspointhasawiredconnectionand802.11gisbeingusedforthewirelesstransmission.Whichofthefollowingchannelsshouldbeusedfortheaccesspoints?()A.Channels1-6-11B.Channels1-3-5C.Channels7-11-1D.Channels2-4-6

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美国提出的学生核心素养框架中Learning and innovation skills的4Cs指的是?A.Critical thinking, communication, collaboration, creativityB.Critical thinking, cultural understanding, collaboration, creativityC.Critical thinking, communication, creativity, cultural understandingD.cultural understanding, collaboration, creativity, communication

Person类可能的拷贝构造函数格式为:A.Person(){}B.Person(Person *p){}C.Person(Person p){}D.Person(Person p){}

2、类Person中定义的静态方法Fun(),正确调用该方法的语法格式是()A.People实例对象.Fun()B.Fun()C.People.Fun()D.以上都不对

程序设计题 使用抽象类和抽象方法模拟不同人种。(15分) (1)创建一个抽象类Person,属性:name和age;在Person类中定义一个抽象方法say();(5分) (2)创建Chinese类继承Person,重写say()方法;(5分) (3)创建American类继承Person,重写say()方法;(5分)

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