高中英语Unit3Computers1新人教版必修2184
Unit3Computers单元课件(人教课标必修2)
smaller desktop
convenient laptop
palmtop
Skimming to get
general ideas
Skimming
Reading Comprehension I
1. Who is the speaker in this story? A computer.
2. What’s the main idea of this passage? A. The development of computers. B. The development and use of computers. C. A machine which is simple-minded. D. Computers may replace human beings.
Size: smaller Intelligence: cleverer
Speed: quicker
Function:
calculating
dealing with …, communicating with…
People’s opinion: simple-minded
clever & useful
( 2 ) analytical machine ( 5) laptop ( 1 ) calculating machine ( 6 ) robot ( 4 ) PC ( 3 ) universal machine
Charles Babbage
Alan Turing
Q: how did computer change in its size, intelligence, speed, function? And how about people’s opinion?
人教高中英语必修2课件：Unit3Computers1
人教版•必修2Unit 3 ComputersQuestions：1・According to the text, how unll quantum computing work? 答案Quantum computing will work by using transistors・2. What is the text mainly about?答案The text is mainly about what the future of the computer is.Computer technology is still developing rapidly. The computer of the future will continue to increase in value and performance while decreasing in cost. It will become smaller, but faster and more powerful・It is possible to make some guesses about what the future of the computer will look like, based upon the types of technologies that are being developed now. A lot of progress has already been made in some of these new technologies, but some are still in their earliest stages and may not be ready for use for years. Two of the most interesting areas of computing that are currently being developed are quantum computing① and nanotechnology?Quantum computing is one possibility for the future of the computer that could make computers run far faster than even the quickest computers do today. Quantum computers could be able to do what modem supercomputers are unable to do by using transistors that are able to take on many states at the same time.Nanotechnologj' could also change the face of computing, by creating computers that could be very powerful, though they are tiny in size. These computers could be incorporated③ into everyday objects, including electrical appliances®, clothes and even the human body. We will be able to use computers in new and unimaginable ways. They will become a part of our lives rather than simply being a box that is used only for specific purposes, such as work.Quantum computing and nanotechnology will be able to play new roles, which will make us live greener lives, as well as enjoy healthier and happier lives.电脑科技仍然发展得很快，未来的电脑在成本上减少的同时将继续在价值和性能上增加，它会变得更小，但更快更强大。
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.
英语：必修2 unit3 computers知识点精讲(新人教版).doc
必修2 Unit 3 Computers一、教学内容必修2 Unit 3 Computers（一）重点单词（二）重点短语（三）重点句型二、知识精讲（一）重点单词1. simplify v. 简化; 使易懂This dictionary tries to simplify the meanings of words.这本词典努力把词意简化。
He tried to simplify the story for the younger audiences.他尽力简化这个故事便于年轻读者理解。
知识拓展：simple adj. 简单的; 朴素的simply adv. 简单地；简明地They live a simple and happy life.他们过着简朴而幸福的生活。
The questions can be answered quite simply.这些问题回答起来很容易。
2. solve vt. 解决，解答Help me to solve my financial troubles.请帮我解决经济上的困难。
I solved the word puzzle in three minutes我用三分钟解出那个字谜。
知识拓展：There’s no easy solution to this problem.没有解决这个问题的容易的方法。
即学即用：He was very bright and ______the crossword in ten minutes.A. solutionB. solvedC. settledD. ended答案：B3. total1) n. 总数；总计You got 47 points on the written examination and 18 on the oral, making a total of 65.你笔试得了47分，口试得了18分，总分65分。
The repairs come to over $ 500 in total.修理费总共500多美元。
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
人教版高中英语必修二Unit3Computers(一)-讲义.docx
高中英语学习材料***鼎尚图文理制作***Computers(一)主讲教师：麻雪玲北京市英语教师本讲目标In pairs discuss what they have in common.1. We share a common goal.2. This illness is common among the children.3. The twin sisters have something/much/nothing/little in common.Although I was young I could simplify difficult sums.1. The machine is very simple to use.2. You can enjoy all the water sports, or simply lie on the beach.3. The application forms have now been simplified.题一：_________ money has been given to him for his moving away.A. A lots ofB. A great many ofC. A large number ofD. A large sum ofI developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.题二：He was told that it would be at least three months _______ he could recover and return to work.A. whenB. beforeC. sinceD. that题三：It is ten years ______ I smoked last time.A. beforeB. sinceC. tillD. afterAs time went by, I was made smaller.题四：____ time going by, he changed little by little.A. AsB. WhenC. WithD. For题五：______more and more forests destroyed, some animals are facing the danger of dying out.A. AsB. WithC. ThroughD. Forgoes by1. As time goes by, my memory seems to get worse.2. Did you see a boy go by on a bicycle?3. It’s not always wise to go by appearances.As a result, I totally changed my shape.题六：完成句子。
高中英语Unit 3 Computers课件 新课标 人教版 必修2.ppt
1. Improve your drawing.
2. Exchange your work with your classmate and discuss how it grade it.
1
2
play guitar, strong, happy
4 arms, intelligent
3
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 comes ofter a third person ( he/ she it ), does the verb have –s or –es after it ? 3. Are all the sentences about the appearance or function of an android ? 4. Grade it with A . B . ( If all the above are done , it is A . If not , it is B )
3.ction) 4. What is his wish ? ( dream)
Writing preparation :
What words or expressions in the text are useful if you want to write about an android ? Write them down in 1 minute . with the help of, look like, make up, in a way ,after all, develop, intelligence, electronic brain, create, personally , etc.
高中英语人教版必修二《Unit3 Computers》课件
Fill in the blanks
I am a(n) ___st_r_ik_e_rin an android football team.
Self
I look like a human and I’m as big as a
introductio human.
n
My computer ___c_h_ip_s_ help me move and
= ___W_h_i_le__d_o_i_n_g_h_i_s_E_n_g_li_s_h________ ___h_o_m_e_w__o_r_k_, _h_e_f_e_ll_a_s_le_e_p__. _____
5. Then she prepares reliable moves to use if a new situation arises. arise vt. 产生，产生； 站起来，起身；起床；上升， 升起
拓展
in the way或in one’s way 挡道，碍事 反义词组：out of the way in any way 不管如何，不管怎样 in no way 决不 注意：置于句首时，句子用部分倒装语序。如：
You’ll have to move — you are in my way. Please keep out of the way. I must finish the work today in any way. Teaching in school can in no way be separated from practice. In no way did he admit that he was wrong.
4) A heavy smoke arose and hung over the town.
人教版新课标英语必修二Unit3ComputersReading课件
th• e四d级evelopment of the _____c_o_m_p_u_tearnd its • 五级
_______a_p_p_l_ic_atiinondsifferent fields.
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单击此处编辑母版标题样式
• 单击此处R编ea辑d 母th版e 文pa本ss样ag式e and finish the timeline.
machine
in
1642.
It• t四o级•o五k级nearly two hundred years
_b_e_f_o_re___ I was built as an analytical
machine. I became a “universal machine”
in 1936 to __s_o_l_v_e__ any mathematical
sentence
•
单击此处编辑母版文本样式
• 二P级aragraph 1
• 三级
Over time I
• 四级 • 五级
have been
changed
quite a lot.
Calculating machine Analytical machine Universal machine PC laptop
• 四级 • 五级
Easy! Fast! Free!
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• 单击此处编辑母版文本样式
• 二级
• 三级
• 四级 • 五级
keyboard
mouse
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monitor
speaker
4
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Step Three：Careful reading Read the text carefully and choose the best answers. 1．When did the computer come into being? A．In 1640. B．In 1642. C．In 1822. D．In 1936.
答案：B
2．Who really invented the computer? A. Charles Babbage. B. Bill Gates. C. Alan Turing. D. Thomas Edison.
答案：C
3. Which of the following statements is TRUE? A. Charles Babbage built an analytical machine in 1642. B. Alan Turing wrote a book about how the computer could be made to work as a “universal machine” to solve any difficult mathematical problem in 1936. C. The computers were first connected by a network in the late 1960s. D. Since the 1960s the computer has been used to help with medical operations.
答案：D
Step Four：Studyreading Analyze the following difficult sentences in the text. 1. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. [句式分析] and连接两个并列句；before I was built as an analytical machine by ...为before引导的时间状语从句。 [尝试翻译] 我发展缓慢，差不多到了两百年之后，查尔 斯· 巴比奇才把我制成了一台分析机。
2．After I was programmed by an operator who used cards with holes, I could “think” logically and produce an answer quicker than any person. [句式分析] 本句的主干句是：I could “think” logically and produce an answer ..., and连接两个并列句，who used cards with holes是定语从 句，After I was programmed by an operator是时间状语从句。 [尝试翻译] 在操作员用穿孔卡为我设计程序后，我能够进行 逻辑“思考”，并且能够比任何人更快地算出答案。
文本研析 剖读精研区 Step One：Warming up Look at the following pictures and match them with their names.
3A 4B A. monitor B. computer host C. mouse D. keyboard
答案：B
4．What can we infer from the text? A. The computer can take the place of humans. B. The smaller a computer is, the faster it calculates. C. Computers can solve all the problems of human beings. D. People can benefit more from computers in the future.
3．But I was always so lonely standing there by myself, until in the early 1960s they gave me a family connected by a network. [句式分析] 本句的主干是：But I was always so lonely, standing there by myself是现在分词短语作状语，until in the early 1960s they gave me a family是时间状语从句，connected by a network是过去分词短语作 定语。 [尝试翻译] 但是我总是孤孤单单地站在那里，直到二十世纪
答案：B
2．Match the main ideas with the paragraphs. Para. 1 A. These changes only became possible as my memory improved. Para. 2 B. Since the 1970s many new applications have been found for me. Para. 3 C. Over time I have been changed quite a lot. Para. 1—C Para. 2—A Para. 3—B
Step Two: Fast reading Skim the text and complete the following questions.1.What's the main idea of this passage? A. The development of computers. B. The development and use of computers. C. A machine which is simpleminded. D. Computers may replace human beings.