1.  >>  国家开放大学 / JAVA语言程序设计
 国家开放大学 / JAVA语言程序设计

下列选项中,是所有异常类的父类是()。
Throwable
Error
Exception
RuntimeException
 参考答案:
 佳题速递:
  •  计算图示双代号网络图的各项时间参数。工程质量与进度控制
  • 题型描述: 阅读理解You speak, write a letter, and make a telephone call. Your words carry a message. People communicate with words.Do you think you can communicate without words? A smile on your face shows you are happy or friendly. Tears in your eyes tell others that you are sad. When you raise your hand in class, the teacher knows you want to say something or ask a question. You shake your head, and people know you are saying “No”. you nod and people know you are saying “Yes”.Other things can also carry messages. For example, a sign at the bus stop helps you to know which bus to take. A sign on the wall of your school helps you to find the lab. Signs on doors tell you where to go in and out. Have you ever noticed that there are a lot of signs around you that you get messages from all the time?People can communicate in many other ways. An artist can use his drawings to tell about beautiful mountains, about the blue sea and many other things. Books are written to tell you about all the wonderful things in the world and also about people and their ideas.1、 What is the main topic of the passage? A. Communication without words. B. Communication with words. C. Communication without signs. D. Communication with body language. 2、 How does the teacher know if a student wants to say something in class? A. The student may smile to the teacher. B. The student may raise his hand. C. The student may nod to the teacher. D. The student may stand up. 3、 Which of the following messages can’t be carried by signs according to the author? A. Which bus to take. B. Where to find the school lab. C. How to know a friend or an enemy. D. Where to go in or out. 4、 What is the most common way people communicate with each other? A. To write letters. B. To speak openly. C. To use facial expressions. D. To use gestures. 5、 How do we know about all the interesting things in the world according to the author? A. By listening. B. By reading. C. By watching. D. By speaking.统考英语A
  • 灌区系统工程中数据采集与自动化监测可分为( )。农业气象灌区水文土壤墒情地下水渠系灌溉排水新技术
  • 7、 儿童游戏的前提和基础是 A.基本生存的需要和安全需要的满足 B.安全需要的满足 C.身体活动需要的满足 D.社会交往需要的满足学前游戏论
  • 比热是过程量,定压比热 () A.表示比体积一定时比内能随温度的变化率 B.是温度与压力的状态函数 C.与系统质量成正比 D.也是过程量 E.传热学
  • 21[单选题] 下列哪种设备不是从设备分配策略角度来说的()。 A.系统设备 B.独享设备 C.共享设备 D.虚拟设备操作系统