计算机英语 教案Unit01

1、Look and LearnDialoguesTextReading PracticeNotesDo You Know?Word PracticeGrammarGameSelf-checklistLook and LearnMatch the words with the pictures.Match the types of computers.Match the words with the pictures.Look and LearnParts of a computer132456mousemouse padkeyboardmonitormainframehardwaresoftwa

2、re 7Match the types of computers.Look and Learn 1supercomputer desktop computer palmtop computer laptop computer 2 3 4Dialogues Listen and repeat. Listen and complete. Role Play Words and ExpressionsListen and repeat.Dialoguesa. Whats a computer?b. Sure.c. Its really fun.d. Oh, I think its everythin

3、g.Listen and complete.DialoguesWhat Is a Computer?Different people have different ideas about what a computer is. Sarah, a student from a computer school, is asking people the question.DialoguesSarah: Hi, Tom. Whats a computer? Tom: Well, its just a game machine. _c. Its really fun.Sarah is talking

4、with her friend, Tom.Dialogues Sarah: Good afternoon, Ms Lee. _Ms Lee: _ Its a great help to me.a. Whats a computer? d. Oh, I think its everything.Sarah is asking her English teacher, Ms Lee.Dialogues Sarah: Excuse me, Miss Wang. Could you tell me what a computer is?Miss Wang: _ Its just like a type

5、writer. I dont like it at all.b. Sure.Sarah is asking Miss Wang, a secretary in an office.Role PlayDialoguesA: Excuse me, Smith. What is a computer?B: Well, its a .MissMrs Mr. typewritergame machine Dialogues Words and Expressionsmouse n. 计鼠标；老鼠pad n. 垫keyboard n. 键盘monitor n. 显示器mainframe n. 主机hard

6、ware n. 硬件software n. 软件supercomputer n. 超级计算机funadj. 有趣的repeat v. 重复idea n. 想法，念头Dialogues Words and Expressionsquestion n. 问题machine n. 机器secretary n. 秘书typewriter n. 打字机desktop computer 台式电脑palmtop computer 掌上型电脑laptop computer 手提/笔记本电脑talk with 与交谈not at all 一点儿也不a great help to sb 对某人帮助很大Text P

7、re-reading Activities Types of Computers Words and Expressions True or FalsePre-reading ActivitiesTextFind the following words in the text. supercomputer desktop computer palmtop computer laptop computer 2. Do you have a computer? If yes, tell your partner about it.Types of ComputersTextPeople use d

8、ifferent types of computers in their daily life to study or work. In this text, we will show you some commonly used types of computers.TextSupercomputers are very big. They are usually larger than a classroom, and they are also very powerful.TextPalmtop computers are quite small. They can be held in

9、 the palm of your hand, but they do not have a keyboard. You must use a special pen.TextDesktop computers are very popular and widely used. They are small enough to put on your desk, but too big to carry around. Most families can afford one these days.TextNotebook computers are also called laptop co

10、mputers. They are small enough to put in a briefcase, but they are more expensive than desktop computers.TextThere are also other types of small computers and you can find them around you, such as those in microwave ovens, washing machines and televisions.Textutype n. 类型ulife n. 生活ucommonly adv. 普通地

11、，一般地upowerful adj. 强大的，有力的upalm n. 手掌upopular adj. 流行的，受欢迎的uwidely adv. 广泛地ucarry v. 携带，运送uaround adv.周围，四周prep. 在附近，在周围 Words and ExpressionsTextuafford v. 买得起；承担unotebook n. 笔记簿，笔记本 ubriefcase n. 公文包umicrowave n. 微波utoo to 太以至于不能 usuch as 例如，像 Words and ExpressionsTrue or false. Tick () in the box

12、es.Text1. Supercomputers can be carried around.2. Desktop computers are widely used at schools and in offices.3. Notebook computers are cheaper than desktop computers.4. The keyboard of a palmtop computer is very small.5. There are some mini-computers in microwave ovens, washing machines and televis

13、ions.Reading Practice Exercise I Exercise II Exercise IIIExercise IReading PracticeI. Complete the passage according to the pictures.This is my new _. Its color is _ and silver. It has a nice monitor and a new type of _. The _ also looks nice and cool. I often carry it in my bag. Sometimes I use the

14、 _ to do my homework, and sometimes I use it to listen to some _, watch movies and play games with my _.friendslaptop computerblackmousekeyboardcomputermusicExercise IIReading PracticeFill in the blanks with the correct forms of the verbs in the blanks.Fifteen years ago, most people _ (have) little

15、to do with computers. Then microcomputers _ (come) along and _ (change) everything. Today it is easy for nearly everyone to use a computer. It _(become) a common tool in peoples life. Writers _ (write), artists draw, teachers teach and students learn all on microcomputers.writehadcamechangedhas beco

16、meExercise IIIReading PracticeLook up the following terms in your dictionary. Match the terms in Column A with the correct descriptions in Column B.A. . TermB. Description1. input devicesa. these pass information out of the computer system2. output devicesb. these pass information into the computer

17、system3. backing storage devicesc. these store programs and dataNotes超级计算机 (supercomputer)：运算速度极快，存储容量极大，处理能力极强，但其体积庞大，占空间大。台式机 (desktop computer)：如今台式机较为普及，被广泛使用。它的体积相对较小，可以置于桌子上，但不便于携带。台式机的价格便宜，大部分家庭都能买得起。笔记本电脑 (notebook computer)：也被称为膝上电脑(laptop computer)。它体积较小，便于携带，但它通常比台式机贵。掌上电脑 (palmtop comput

18、er)：非常小，可放在手掌心。掌上电脑没有键盘，一般用手写笔输入。Do You Know?世界上第一台数字电子计算机世界上第一台数字电子计算机 ENIAC常常被认为是世界上第一台数字电子计算机，它是全球首先采用电子技术实现的数字计算机，但因没有采用二进制数操作和存储程序控制，所以还不具备现代电子计算机的主要特征。ENIAC是在1946年2月由美国宾夕法尼亚大学莫尔学院研制成功的。它有18 000余只电子管，运算速度达到当时继电器式计算机的1 000倍。冯冯诺依曼计算机诺依曼计算机 根据冯诺依曼原理设计的计算机，由控制器、运算器、存储器、输入输出设备和电源五个部分组成。冯诺依曼原理的重要思想是“

19、存储和程序”原理，是他在1946年提出的。按照冯诺依曼原理研制的世界上第一台二进制数现代电子数字计算机EDSAC于1949年制成。目前主要的计算机类型都是冯诺依曼计算机。Word Practice Exercise I Exercise II Exercise IIIExercise IWord PracticeFill in the blanks according to the pictures.m_nit_ _m_ _seo uo o rWord Practicekey_ _ _ _ _secre_ _ _ _ t a r yb o a r dWord Practice ty_ _ wr

20、itermicro _ _ _ _ oven w a v ep eWord Practicewa_ _ _ _ _ machine super _ _ _ _ _ ter c o m p us h i n gWord Practicenote _ _ _ _computer brief _ _ _ _ c a s eb o o k1. The _ can display information on a screen.2. Mary is working as a _ in a small company.3. I often cook the food in the _.4. Mark ca

21、rried the papers and books with his _.5. A _ is used to wash the dirty clothes.Exercise IIWord PracticeFill in the blanks with the following words in the box, changing the form if necessary.monitormicrowave ovensecretarywashing machinebriefcasemonitormousekeyboardsecretarytypewritermicrowave ovenwas

22、hing machinesupercomputerbriefcasenotebook computerWord Practice6. _ are usually very large and powerful. Also they are very expensive.7. The laptop or _ is small and can be easily carried around.8. We used to have three _ in our office, and now we use computers instead.9. A _ can help us to move fr

23、eely on the computer screen（屏幕）.10. There are many buttons or keys on the _.keyboardSupercomputersnotebook computertypewritersmouseExercise IIIWord PracticeMatch the correct words.1. microwave a. computer2. washing b. oven3. super c. writer4. note d. board5. brief e. top6. type f. case7. key g. book8. lap h. machineGrammarPassive Voic