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实体—联系模型是一种常用的高级概念数据模型，而 【4】 是实体—模型中的核心。
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When you are making your speech, try to relax. Speak slowly and clearly and look at people in your audience. Using simple vocabulary and expressions whenever possible. Stop for a few seconds now and then to give your audience a chance to think about what you have said. Make sure that everyone in the room can hear you. If it is a large room or an auditorium(礼堂), you will probably have to use a microphone. Just remember: he prepared. Know your subject, your audience, and the occasion. Be brief. Say what you have to say and then stop. Let your personality come through so that you make person-to-person contact with your audience. If you follow these simple steps, you’ll see that you don’t have to be afraid of public speaking. In fact, you may find she experience so enjoyable that you ask to make more speeches! How to make a speech When you are making your speech, you should: 1. Try to relax, speak slowly and clearly; 2. Pause to give your audience (46) to think; 3. Use (47) to make yourself heard in a large room. When you are preparing your speech, you should. 1. Know your (48) and the occation; 2. Make person to person contract by (49) come through. The purpose of the passage: give (50) about how to make a speech
赵某的所有权受到李某的侵害，请求法院判令李某停止侵害。赵某受到侵害的所有权是原权。( )
When dawn came, they realized that the boat was blocked in ice. The captain (81) asleep but the rest of the crew hurriedly woke him. He took a small axe (斧) and (82) . great care, (83) make a hole in the deck, he began to knock the ice away. From time to time a wave burst over the boat and swept over him but he kept (84) for ten minutes while the others looked on anxiously (85) this time he was (86) cold that he could no longer trust what he was doing. Each member of the crew took it (87) turn to cut the ice away as long as he could (88) it. First, they had to knock off enough ice to get on their (89) . Standing on that rolling deck meant (90) , because a man who had fallen into the sea could not have been rescued. Then the captain discovered that ice was forming inside the cabin (船舱). He called (91) one of the crew and together they managed to get the stove alight, hoping that it would (92) enough heat to warm the cabin above (93) . Unless the ice in the bottom could be melted enough (94) it could be bumped out, they were (95) . It took (96) before the boat began to float better. But for this time they succeeded (97) rid of most of the ice. Throughout the afternoon, the coating of ice began to build up again (98) their work. In the face of this danger, Cap, Slater (99) the crew to clear the ice so that the boat would (100) until the next morning. Then they settled down to wait for another day.
在窗体上画一个名称为Command1的命令按钮，再画两个名称分别为Label1、Label2的标签，然后编写如下程序代码： Private X As Integer Private Sub Command1_Click( ) X=5：Y=3 Call proc(X，Y) Label1.Caption=X LabeL2.Caption=Y End Sub Private Sub proc(ByVal a As Integer，ByVal b As Integer) X=a*a Y=b+b End Sub 程序运行后，单击命令按钮，则两个标签中显示的内容分别是
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