未分类题

在面向对象方法中,对象是类的实例。表示对象相关特征的数据称为对象的(31)在该数据上执行的功能操作称为对象的(32);一个对象通过发送(33)来请求另一个对象为其服务。通常把一个类和这个类的所有对象称为类及对象或对象类。在UML中,用来表示显示构成系统的对象类以及这些对象类之间关系的图是(34)。
D.定义

A.数据变量
B.数据结构
C.属性

【参考答案】

C
解析:在面向对象方法中,对象是类的实例。其中,表示对象相关特征的数据称为对象的属性,在该数据上执行的功能操作......

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未分类题
Larry had stolen some money, but the police had caught him and he had been put in prison. Now his trial was about to begin, and he felt sure that he would be found guilty and sent to prison for a long timE.Then he discovered that an old friend of his was one of the members of the jury at his trial. Of course, he didn't tell anybody, but he managed to see his friend secretly one day. He said to him, 'Karl, I know that the jury will find me guilty. I cannot hope to be found not guilty of taking the money—that would be too much to expect. But I should be grateful to you for the rest of my life if you could persuade the other members of the jury to add a strong recommendation for mercy to their statement that they consider me guilty.''Well, Larry,' answered Karl, 'I shall certainly try to do what I can for you as an old friend, but of course I cannot promise anything. The other eleven people of the jury look terribly strong-minded to mE.'Larry said that he would quite understand if Karl was not able to do anything for him, and thanked him warmly for agreeing to help.The trial went on and in the end the jury found Larry guilty, with a strong recommendation for mercy, as Larry had wisheD.Of course Larry was very pleaseD.When some time after the trial Karl went to visit him in prison, Larry thanked him warmly and asked Karl how he managed to persuade the other members of the jury to recommend mercy.'Well, Larry,' Karl answered, 'as I thought, those eleven people were very difficult to persuade, but I managed it in the end by tiring them out. Do you know, those fools had all wanted to find you not guilty!'Which phrase best defines a 'jury'?A.A person who works in a court.B.A policeman.C.A judgE.D.A group of people who decide if someone on trial is guilty or not guilty.
A.B.'
C.'
D.
E.
F.A
G.
B.A
H.
C.A
I.
D.A
未分类题
'Leave him alone' I yelled as I walked out of the orphanage gate and saw several of the Spring Park School bullies pushing the deaf kid arounD.I did not know the boy at all but I knew that we were about the same age, because of his sizE.He lived in the old white house across the street from the orphanage where I liveD.I had seen him on his front porch several times doing absolutely nothing, except just sitting there making funny like hand movements.In the summer time we didn't get much to eat for Sunday supper, except watermelon and then we had to eat it outside behind the dining room so we would not make a mess on the tables insidE.About the only time that I would see him was through the high chain-link fence that surrounded the orphanage when weate our watermelon outsidE.The deaf kid started making all kinds of hand signals, real fast likE.'You are a stupid idiot!' said the bigger of the two bullies as he pushed the boy down on the grounD.The other bully ran around behind the boy and kicked him as hard as he could in the back. Tile deaf boy's body started shaking all over and he curled up in a ball trying to shield and hide his facE.He looked like he was trying to cry, or something but he just couldn't make any sounds.I ran as fast as I could back through the orphanage gate and into the thick azalea bushes. I uncovered my home-made bow which I had constructed out of bamboo and string. I grabbed four arrows that were also made of bamboo and they had Coca Cola tops bent around the ends to make real sharp tips. Then I ran back out of the gate with an arrow cocked in the bow and I just stood there quiet like, breathing real hard just daring either one of them to kick or touch the boy again.'You're a dumb freak just like him, you big eared creep!' said one of the boys as he grabbed his friend and backed off far enough so that the arrow would not hit them. 'If you're so brave kick him again now,' I said, shaking like a leaF.The bigger of the two bullies ran up and kicked the deaf boy in the middle of his back as hard as he could and then he ran out of arrow range again.The boy jerked about and then made a sound that I will never forget for as long as I livE.It was the sound like a whale makes when it has been harpooned and knows that it is about to diE.I fired all four of my arrows at the two bullies as they ran away laughing about what they had donE.I pulled the boy up off the ground and helped him back to his house which was about two blocks down the street from the school building. The boy made one of those hand signs at me as I was about to leavE.I asked his sister 'If your brother is so smart then why is he doing things like that with his hands?' She told me that he was saying that he loved me with his hands.Almost every Sunday for the next year or two I could see the boy through the chain-link fence as we ate watermelon outside behind the dining room, during the summer timE.He always made that same funny hand sign at me and I would just wave back at him, not knowing what else to do.On my very last day in the orphanage I was being chased by the policE.They told me that I was being sent off to the Florida School for Boys Reform. School at Marianna so I ran to get away from them. They chased me around the dining room building several times and finally I made a dash for the chain-link fence and tried to climb over in order to escapE.I saw the deaf boy sitting there on his porch just looking at me as they pulled me down from the fence and handcuffed mE.The boy, now about twelve jumped up and ran across San Diego Road, placed his fingers through the chain-link fence and just stood there looking at us. They dragged me by my legs, screaming and yelling for more than several hundred yards through the dirt and pine-straw to the waiting police car. All I could hear the entire time was the high pitched sound of that whale being harpooned aA.simple and tranquil.B.monotonous and harD.C.quiet and enigmatiC.D.boisterous and harD.
A.B.
C.
D.
E.
F.
G.
H.
I.simple
J.
B.monotonous
K.
C.quiet
L.
D.boisterous