广东省深圳市文汇中学八年级英语上册Module 2 Unit 3 Computer Reading 课件

课件51张PPT。Module 2 Science and technologyUnit 3
ComputersReadingComputer factsorder
compare
monitor
speaker
main unit
keyboard
mouse
typen. 订货；订购
v. 比较；对比
n. （计算机）显示器
n. 扬声器
n.（计算机）主机
n. （计算机）键盘
n.（计算机）鼠标
v. 打字brain
control
expensive
tiny
depend
speed
operate
railwayn. 脑
v. 操纵，控制（机器或系统等）
adj. 昂贵的；价格高的
adj. 极小的；微小的
v. 依靠；依赖
n. 速度
v. 操作；控制
n. 铁路系统Can you imagine that what kind of computer we will use in the future?
Watch the video. To understand the structures of a computer and can read aloud the name for each part of a computer
2. To learn some key words and
useful expressions
3. To learn about the development of computerObjectives：I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.
Do you know who I am?abacusRiddles (谜语)Lead-inI am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?calculatorPC
Personal ComputerI’m a small, relatively inexpensive computer designed for an individual user. I’m based on the microprocessor technology. At home, people use me to
surf the Internet and play games.
Do you know who I am?abacuscalculatorPCPre-readingA What do you know about ...?How much do you know about computers? Look at the photo below and complete the sentences with the correct names.p34Amonitorkeyboardmousemain unit1 The _______ shows words and pictures.
2 We use the _________ for typing.
3 The “brain” of a computer is in the _________.
4 We move the ______ to control the computer.
5 We hear sound from the ________. monitor keyboard main unit mouse speakersp34AB Before you readLook at the pictures, the title and the sub-headings of the article on page 35. Then tick (√) the facts that the article probably talks about. Computers are getting smaller and better.
2. Computers can do important jobs like flying planes.
3. Computers may work as doctors.
4. Computers are expensive.√√√p34BComputer factsReading1. When was the first computer invented?
2. Were computers big or small in the 1940s?
3. Who can calculate at a faster speed, a man or a computer?
4. What important jobs can a computer do?
5. Why can’t computers be cleverer than us? 　Read the passage and answer questions.1. When was the first computer invented?
In the 1940s.
2. Were computers big or small in the 1940s?
They were big.
3. Who can calculate at a faster speed, a man or a computer?
A computer.　　Answers:4. What important jobs can a computer do?
It can operate railways and fly planes and spaceships.
5. Why can’t computers be cleverer than us?
Because our brains can produce new ideas but computers can’t.　　Finish the following form according to the Reading Part. better tiny calculate operateclevererC Vocabularyp36CC1 The words in italics explain the meanings of some words on page 35. Find these words to complete the sentences. Change their forms if necessary.1 If something is very small, it is ____. (line 5)
2 Some young people always need help from their parents. They should learn to _________ themselves. (line 8)
3 We had fun and learnt something new as well. We had a good time. __________, we leant a lot. (line 14)
4 When we make a machine work, we ______ it. (line 16) tiny depend on In addition operateC2 Complete the conversation below with the words from the box. depend on expensive in addition speedMark: I bought a new computer.
Helen: Why?
Mark: I bought my first computer five years ago. I used it almost every day, and it became really slow.
Helen: I see. So how’s your new computer?
Mark: It was really (1)________, but it works at a much faster (2)______ than my old one. (3)__________, it has a larger monitor.
Helen: I also (4)_________ my computer a lot these days. I use it tow write reports, and to get on the Internet too. My computer works well, so I’m not going to buy a new one. expensive speed In addition depend onD Comprehensionp37D1 S1: There may be tiny computers in your home.
S2: Where, for example?
S1: Inside you ___ or _______________.
2 S1: We can do many things with computers in our daily life.
S2: For example?
S1: We can ________, ____ and __________ with them.D1 Read the article on page 35 and complete the answers with the examples from the article. TV washing machine calculate type draw things3 S1: Computers can do some important jobs.
S2: For example?
S1: They can _______________ and ______________________.
4 S1: One day, computers may be able to do a better job than human beings.
S2: For example?
S1: They ___________________________
_____________. operate railways
fly planes and spaceships may be better than doctors at doing their jobD2 Read the article again and answer the questions below in complete sentences. What were the first computers like?
_______________________________
2. Why are we unaware of some computers?
_______________________________
3. Are computers cleverer than you and me? Why or why not?
_______________________________
_______________________________They were bigger than cars.Because they are tiny. No. Because our brain can produce new ideas but computers cannot.D3 Discuss and answer the question below with your classmates.1 Do you depend on computers a lot in your daily life? Give examples.
2 Do you agree that computers will be able to do all our jobs in the future? Give reasons.1. We use the keyboard for typing.
use … for doing sth.意为“用……来做某事”，相当于use … to do sth.。如：
We use wood for making paper and furniture.
我们用木头造纸、做家具。
=We use wood to make paper and furniture.
另外，我们也可以用use … for sth.这样的结构。如：
She decided to use it for a gift.
她决定用它做礼物。Language points 2. Now computers are becoming smaller and better.
这个句子中，smaller 是 small 的比较级，better是good的比较级。
这种结构为 “比较级 + and + 比较级”，表示 “越来越……”。
类似的用法还有：
Computers are getting smaller and better.The kite flies higher and higher.
风筝飞得越来越高。
加more变成比较级的形容词或副词，使用这个结构时应为：
more and more + 形容词/副词原形。Computers become more and more important in our daily life.calculate及物动词, 常作“计算”、“核算” 讲。如：
We’ll need to calculate the overall costs.
我们需要算出总费用。　 He calculated at a faster speed than any other students in his class.
他比班里任何一个同学都算得快。
calculate 还有“估计、预测、推测” 的意思。如：
She calculated how much gas we needed for our trip.
她估计我们这次旅程需用多少天然气。3. We can use computers to calculate.4. In addition, computers can do important jobs like operating railways and flying planes and spaceships.
in addition 意为“除……以外（还）”，用来引出另一种情况作为补充。如：
There are many shops around the railway station. In addition, there are some hotels.
火车站附近有很多商店。此外，还有一些旅馆。
The garden has a lot of flowers. In addition, it has some vegetables.
这个花园有大量的鲜花。此外，还有一些蔬菜。另外，in addition to是介词短语，后面跟名词或代词等作宾语，也意“除……之外（还）”。如：
In addition to English, he has to study a second foreign language.
除英语外，他还得学一门第二外语。5. Computers may change our lives, but will they make them better?
“make sb./sth. +形容词”意为“使某人/某物……”。与make相关的常用结构还有make sb. do sth.，意为“使某人做某事”。如：
The nice food makes me hungry.
这么好的食物使我饿了。
We must make him work harder.
我们必须使他更加努力工作。Let the word flyTips for teacherLet the word fly 板块是帮助学生学
习一些一词多义、熟词生义的词汇。
通过此环节，学生可以对一些常见 词的用法、意思有一个透彻的了解。GIVE1. give up 放弃; 戒绝
要放弃这份工作，真是遗憾。
It is a pity to give up the job.
你应该戒烟，我去年就戒掉了。
You ought to give up smoking, I gave it up last year.
2. give away 赠送; 分发
She gave away all her money to the poor. 她把钱都送给穷人了。
3. give sb. a ring 打电话给某人
I’ll give you a ring tonight. 今晚我会打电话给你。 4. give out 分发; 用尽
要放弃这份工作，真是遗憾。
He gave out books. 他分发书本。
Our food supply has given out. 我们的食物耗尽了。
5. give back 分发; 用尽
Mom! Tell Josh to give me my pens back!
妈！告诉乔西把我的几支笔还给我！
6. give off 发出（气味、光、热、声音等）
The food gave off a bad smell. 食物已经发臭了。 口语中出现的 give 高频词组：
1. give sb. a hand 帮助某人做某事
2. give somebody a free hand 放手让某人干3. give somebody a/the glad hand 热烈欢迎某人
4. give oneself airs 装模作样5. give somebody a lift 让某人搭车6. give something a miss避开(某物), 略去(某物)
7. give/lend an ear to 倾听；注意8. give somebody the green light
允许某人做某事从上面给出的例句我们可以看到 give
在口语中随处可见它的身影。大家想一想与 give 相关的搭配或口语表达, 选择几个进行造句或对话练习。活学活用Now 2 minutes to test your spelling.Spelling Bee1. English-Chinese
monitor, keyboard, mouse, tiny, depend
2. Chinese-English
订货，比较，打字，脑，操纵，昂贵的，速度，操作，铁路When finished, exchange your papers to see who does the best.I. 根据所给的汉语提示，完成下列句子。
1. 书是我们的朋友，它们能使我们快乐。
Books are our friends and they can _____________.
2. 现在，世界上的许多地方缺水。
Many places in the world ___ ____ ___ water now.
3. 我认为手机比相机要有用得多。
I think a mobile phone is _____ ____ _____ _____ a camera.make us happy are short of much more useful than4. 我跑着追那辆公共汽车，可是没能追上。
I ran after the bus, but I ______ ___ ___ catch it.
5. 那个杯子由塑料制成。
That cup __ ____ ___ plastic.
6. 你日常生活中常常对手机依赖吗？
Do you ______ __ your mobile phone a lot __ ____ ____ ____? wasn’t able to is made of depend onin your daily lifeII. 仔细分辨下列单词或词组，并用其适当形式完成下列各句。
(a) with; by; in
1. Can you sing this song ____ English?
2. What do you usually do ____ your computer?
3. The man goes to work _____ bus every day. inwithby(b) be able to; can
4. Sandy _______________ play the piano when she was four years old.
5. I’ll _________ speak English in another two months. could/was able tobe able to HomeworkRemember new words and phrases by heart after class.
2. Read the articles in Learning English. The more you read, the faster and better you’ll understand.
3. Preview Listening on page 38.