牛津英语8B Unit 3 活动单第4课时

8B Unit One Online Travel Period 4 Vocabulary【学习目标】1.掌握有关计算机各部件的词汇；2.理解计算机不同部件的功能；3.用恰当的名词谈论计算机的功能和用途；4.描述不同计算机附件的用途；【重点难点】1. 用恰当的名词谈论计算机的功能和用途；2.描述不同计算机附件的用途；【导学提纲】I. New Words 写出下列单词的词性和词义并试着造句。1.keyboard_ 2.menu_3.mouse_ 4.print_II. The usages of some words 1.screen 词性：_词义：_在屏幕上_ 看屏幕_翻译：当你看屏幕的时候，你怎么知道你应当干什么?_2.mouse n.老鼠 复数形式_I guess there are _in the kitchen.我猜想厨房里有老鼠。n. 鼠标翻译：You can use the _to click on the icon.你可以用鼠标点击这个图标。3. menu 词性：_词义：_Please show me the_请把菜单给我。You can choose one icon in the _你可选择菜单上的一个图标。III.在书中划出下列短语并识记。1.很容易地敲打 _ 2.看屏幕_3.选择一个图标_ 4.在菜单里_5.点击它获得更多的细节_6.把你的作业打印出来_【展示交流】Activity one Presentation Step 1 Free talkwhat can you do with computer ?Step 2 Guessing games1. You use this set of keys for typing._2. Sets of instructions that control your computer._3.A machine that puts your words and pictures onto paper._4. You can see words and pictures on it._5. You move it with your hands to move the cursor on the screen._Step 3 Say something about a picture of a computer in part A1 on page46.Step 4 Complete the conversation of part A2.Activity two Practise Step 1 Fill in the blanks with proper words.The computer is more and more p_ _ in the m_ _ world. It u_ _ to be large before, but now it becomes smaller and s_ _. The family computer looks l_ _a TV set. We can use it to get o_ _. Computers are very u_ _. People can use them to do many things. For example, they can be used for p_ _games, s_ _for information, word p_ _, drawing and d_ _, writing computer p_ _, sending and r_ _ e-mails.Step 2 Talk about different parts of the computers and their functions(作用)with each other.Step 3 WritingWrite an article about your ideal computer, use the words we learnt as many as possible.【个案补充】【课堂反馈】一、根据句意、首字母或中文提示完成下列句子。1. We often use _ for typing.2. Now young people like to talk with each other on the I_.3. If you click on this button, you will see a lot of information on your _.4. Have you heard the song called “ _ (老鼠) Love Rice”?5.Heres the m_. You can choose some dishes to eat.6. Which is your favorite _( 频道)?7. The bridge was _ by the famous artist (设计 )8. All the _ round the world may use English. ( 旅行家)9. How many _(人物 ) are there in your novel?10. Books give much _( 知识) .二、句型转换。1.Daniel bought a new computer last month. （改为被动语态）A new computer _ _ _ Daniel last month.2.Its best to plant trees in spring because its warmer（就划线部分提问）. _ _ _best to plant trees in spring.3. My new computer is the fastest of all these computers. （保持句意基本不变）My new computer is _ than _ _ computer.4.A new computer game has already come out, _? (改为反意疑问句)5. He saw a golden cloud in his dream.（改为一般疑问句） _ _ _a golden cloud in his dream?【迁移创新】一、完形填空。Wei Hua had a busy day yesterday. She got up before 7:00 in the 1 , and quickly 2 her hands and face. She got to school early. She 3 hard in class all day. She 4 basketball after school, and then walked home. WeiHuas pen was 5 , so she needed a new one. On her way home, she bought a new one at a 6 . When she reached home, she had a short 7 .After that she 8 her parents. She cooked supper and cleaned the house. She watched TV for half an hour after supper. Then she started her homework. She finished it at half past nine. She went to 9 before a quarter to ten. She was very 10 yesterday.( ) 1.A. morning B. afternoon C. evening D. night( ) 2.A. washed B. closed C. broke D. put( ) 3.A. sang B. cried C. laughed D. worked( ) 4.A. watched B. played C. made D. saw( ) 5.A. good B. new C. broken D. red( ) 6.A. table B. home C. shop D. door( ) 7.A. swim B. rest C. class D. meeting( ) 8.A. thanked B. got C. knew D. helped( ) 9.A. bed B. school C. work D. hospital( ) 10.A. clean B. busy C. tall D. young二、阅读理解。Bill Gates was born on October 28,1955. He grew up in Seattle, Washington. Bill Gates was named William Henry after his father and grandfather. He was a very clever boy. His favourite subjects at school were science and maths. When people asked him what he wanted to be in the future, he always said, “A scientist.” When he was 13 years old, Bill started to play with computers. At that time, computers were very large machines. Once he was interested in a very old computer. He and some of his friends spent lots of time doing unusual things with it. In the end, they worked out a software program with the old machine. Bill sold it for 4,200 dollars when he was only 17.In 1973, Bill went to Harvard University. At Harvard, he developed the BASIC language for the first microcomputer(微型计算机). In his third year, he left Harvard to work for a company called Microsoft(微软). Bill began this company in1975 with his friend Paul Allen. They thought that the computers would be useful.They improved the software to make it easier for people to use computers.In 1999, Bill wrote a book called Business the Speed of Thought. In the book he told people how computer technology(技术) could solve business problems in new ways. It was one on the bestsellers of the New York Times list.Bill married Melinda French on January 1, 1994. They have two children: a daughter and a son. Bill enjoysreading very much. He also enjoys playing golf and bridge.( )1. What were Bill Gates favourite subjects?A. Science and technology. B. Maths and business.C. Science and maths. D. Business and computer.( )2. Where did he develop the BASIC language for the first microcomputer?A. At Harvard B. In Seattle C. In New Yong D. In Washington.( )3. Who did he begin his company with in 1975?A. His father B. His grandfather C. Paul Allen D. Melinda French ( )4. When did he write the book B