新人教版高中英语必修2《Unit3Computers》课件
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高中英语 Unit 3 Computers课件 新人教版必修2
• Q1: How did the computer work as an Analytical Machine? The computer followed instructions from cards with holes.
Paragraph 2: These changes only became possible as my memory improved. 1. tubes 2. transistors 3. chips 4. network 5. World Wide Web
quicker
dealing with …, Function: calculating communicating with… clever People’s opinion: simple-minded & useful
True or False
1. Alan Turing built an Analyticalmachine to a universal Machine solve any mathematical problems. F 2. People began to realize that the computer got T cleverer and quicker with time passing. 3. The computer began to serve the human race since it was brought into people’s homes. F its birth 4. Since the 1970s, the computer was used by T people around the world through the Internet. 5. The largersmall and thin is, thegot cleverer and I became the computer but I more memory F it has. cleverer, quicker and quicker. And my memory became so large that I couldn’t believe it!
高中英语人教版必修2课件：Unit 3 Computers
Well, in general, WWW stand for “World Wide Web”. Most people confuse the Internet with the World Wide Web. However, there is a difference. The Internet is made up of thousands of computers that are connected worldwide. WWW or World Wide Web, is what your computer uses to check out the Internet. For example, your computer uses browsers, such as Internet Explorer or Netscape (网景浏览器) to let you see and hear all the cool pictures, information, music and sounds on the Internet.
1．confuse vt. 2．connect vt. 3．browser n. 4．surf vt. 5．modem n. 6．graphics n.
使混乱；使困惑 连接；联合；关联 (电脑)浏览器 在……上冲浪 调制解调器 绘画；图像
1．What difference is there between the Internet and WWW? ________________________________________________________________ 2．What do you need if you surf the World Wide Web? ________________________________________________________________ 【答案】 1.The Internet is made up of thousands of computers that are connected worldwide；WWW is what your computer uses to check out the Internet. 2．You need to have a computer with a modem and a browser.Besides，you need to have an Internet Service Provider.
新人教版高中英语必修二Unit_3_Computers-整单元课件精品ppt课件
I think they all can calculate something.It can deal with some maths problem.
I believe that they are our good friends.In our everyday life.we can not finish our work quickly without them. In my opinion ,people improve abacus,make it more useful and make it a computer.They are being used widely and conveniently in the world.
Monitor, mouse, keyboard, hard disc, floppy disc ,CD-ROM, printer, modem,
monitor is used to see your data on a computer . 1 A_________ hard disk or disk is the main device that a computer uses to store 2 A__________ information. printer 3 A _________is a machine for printing text or pictures onto paper ,especially one connected to the computer. keyboard is used to put data into a computer . 4 A_________ modem _is often used to connect computers to each other though phone 5 A________ lines . floppy disc 6 Data can also be stored in a ______________,which is small and can be carried easily. CD-ROM is a disc that contains computer data. It can store a large 7 A___________ amount of data. Compact Disk Read only Memory
高中英语 Unit 3 Computers课件 新人教版必修2
R1:Where were you in 1642?
C: … C: …
1. Where were you in 1642?
2. What happened to you in 1822? R2: What happened to you in 1822?
3. What were you called in 1936? 4. What did you look like in 1940s?
Welcome to our easy English class
An abacus
A huge computer
A calculator
A laptop
A PC
If I were a maths teacher, which would help me most? Why?
I
think …because… I believe that… In my opinion, …
calculating machine
tubes transistors
Supporting details
analytical machine universal machine
communication finance trade robots …
PC laptop
A huge computer is the first electronic counting machine in Europe. It was built to solve some mathematical problems.But it was too big.
A PC is a personal computer which can solve all kinds of problems and is used widely now.
高中英语Unit 3 Computers33课件 新人教版必修2
We needs words or expressions to describe it
A Competition :
How many words or expressions do you already know about a puter ?
Every student has two minutes to write down on a piece of paper . Your work will be marked according to the number of words . Each word will get 10 marks . Each expression will get 15 marks . Each sentence will get 20 marks .
1
2
play guitar, strong, happy
3
4 arms, intelligent
4
sing, make up, fly… 5 arms, work hard, help
Evaluation work : 1. Does the paragraph have more than 20 words ? 2. If the verb es ofter a third person ( he/ she 3. it ), does the verb have –s or –es after it ? 4. 3. Are all the sentences about the appearance 5. or function of an android ? 6. 4. Grade it with A . B . ( If all the above are
高中英语人教版必修2 Unit 3 Computers 课件
What’s next?
carry things work in wars work for us in Mars
Activity 2 Thinking Q: In what ways is the computer used？
communicate with…
Watch movies & TV plays
More knowledge about computers
1. What is IT? Information Technology.
2. What is CPU? Central Processing Unit.（中央处理器） 3. What is WWW? World Wide Web. 4. What is the English for “科学技术”? science and technology.
listen to music
do shopping
search for …
play computer games
Besides, we can … with computers
• send e-mails instead of letters;
• read news at home and abroad;
register 注册，登记 software 软件
download 下载
hardware 硬件
Consolidation
• Complete the sentences with proper words. 1. We should use computers properly and
never be a m_o_u_se__ potato. 2. In the accident he e_s_ca_p_e_d_ being killed. 3. You can input the capital letters when you
最新新人教版必修二-Unit3-Computers教学讲义PPT
4. What does Andy serve as on the football team?
He serves as a striker.
5. Who is Andy’s coach? His programmer.
Read the text again to find out the following phrases.
type kind, sort n. 种类/类型
a different type of bicycle， John is a fine type of school boy.
2)cheat sb (out) of sth. 骗取某人某物 The prince cheated the princess (out) of her castle.
I think we can work together to create an even better system.
even 可以用来修饰形容词的比较级
3. In the game, I need to speak to my
teammates in English. F
4. Our team won the match last year in
Seattle. F 5. I disagreed to the result of the match.T
2. Where did Andy first compete ?
3. What does Andy’s programmer programs him with?
4. What does Andy serve as on the football team?
5. Who is Andy’s coach?
人教版高中英语 必修二 Unit3 《Computers ---Reading》 课件 (共32张PPT)
True or False 1. My real father was Charles Babbage,
who wrote a book and built me in 1936. 2. After I got my new transistors in the
1960s, I became smaller but cleverer and quicker. 3. I was brought into people’s homes in the 1970s. 4. Since my birth I have been built to take the place of the human race.
PC
Personal Computer
Can you tell the development of computers?
abacus calculator huge
PC
computer
What’s next?
robot
PDA
laptop
What is a computer?
A computer is a machine which keeps knowledge in its memory and does work on that knowledge. This knowledge is kept in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak. These computers can be used for voice mail.
Scanning
who wrote a book and built me in 1936. 2. After I got my new transistors in the
1960s, I became smaller but cleverer and quicker. 3. I was brought into people’s homes in the 1970s. 4. Since my birth I have been built to take the place of the human race.
PC
Personal Computer
Can you tell the development of computers?
abacus calculator huge
PC
computer
What’s next?
robot
PDA
laptop
What is a computer?
A computer is a machine which keeps knowledge in its memory and does work on that knowledge. This knowledge is kept in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak. These computers can be used for voice mail.
Scanning
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① The door won’t open anyhow. ② Anyhow, it is worth trying. 归纳:anyhow = anyway意思是① 无论如何② 不管怎样
运 用
② 结果，一些学生在考试中失败。不管怎样，他们 没有灰心（放弃）。（译）
As a result, some students failed in the exam. Anyhow, they didn’t lose heart/give up.
① This novel is written from personal experience. ② Those are my personal letters.you have no right to read them ③ The host gives us a warm personal welcome. 归纳：personal adj.①个人的 ② 私人的 ③ 亲自的 personally adv. ① Personally, I am against his plan. ② The host welcomed his guests personally. 归纳：personally① 就个人而言 ②亲自地
7. goal
8. application
2). Fill in the blanks according to the text. In 1642, the computer began as a ①calculating (计算) machine,which could ② simplify (简化)difficult sums. It could think ③ logically. From 1936 on, the computer could be made to ④ solve any difficult mathematical problom. ⑤ As time went by, ⑥technological(技术) revolution made the computer change a lot. The memory of computers developed so much ⑦ that computers could deal with many probloms. Nowadays computers have been put into space to ⑧ explore the space. Anyhow, the computer’s ⑨ goal is to provide ⑩ human race with happiness.
Ⅱ.Language learning & using
1. personal adj.
【原句再现】First as a PC（personal computer）and then as a laptop,
I have been used in offices and homes since the 1970s.
Teaching procedures
Ⅰ.Revision
1). Match the words with the correct meanings. 1. network 2. simplify 3. solve 4. explore 5. totally 6. anyhow A. to work out the anwer to a problem B. the practical use of sth ,especially a theory or a discovery C. completely D. anyway E. to make things easier F. to travel around an area to find out sth about it G. connected computer system H. sth that you hope to achieve
即学活用
A. 用as a result或as a result of 填空。 ① As a result of (由于)exercise,he has built up his health. ② He ge missed the early bus.
B. 请用as a result表述图片内容。
He spent too much time in surfing the Internet. As a result, he fell asleep in class.
3. anyhow adv.
【原句再现】Anyhow, my goal is to provide humans with a life of high quality.
Unit 3
Computers
Language learning & using
Learning goals 1. Master the usages of key words & phrases. 2. Learn to use them. 3. Develop the spirit of teamwork. Important points as a result, with the help of, in a way, deal with, so…that…
2. as a result
【原句再现】As a result I totally changed my shape.
① It doesn't often rain in summer. As a result,we have to water the garden. ② As a result of the accident, he became lame(跛). 归纳：as a result意思是 结果 ，只能单独用； as a result of= because of , 意思是 因为，由于 。