科普仁爱英语九上Unit 4 Topic 3 China is the third nation that sent a person into space Section C课件35张

课件35张PPT。 Unit4 Topic3 China is the third nation that sent a person into space.SectionC Let’s watch a video.
Step1 Warming upWhat’s it about?
What can we know from it?2. Take notes and answer questions:The Internet has changed our world a lot.
The whole world is connected.
The Internet is making the world smaller,
like a village.Step2 Pre-reading 1. Tick the fields we use the computer in. education business
industry communication

daily life medical care
entertainment sports Make predictions
based on what you know. 1aTen seconds for you.
Think about it!2. Give an example of its use.education business
industry communication

daily life medical care
entertainment sports Speak out:1aTwo minutes for you.We were having a class meeting
with the help of the computer. find diseases easily find diseases easily 2. What are computers used for?education business
industry communication

daily life medical care
entertainment sports Speak out:Computers are important.Step3 ReadingThe Importance of Computers the title :The Importance of Computers1. Predict (预测) the main idea of the passage
Computers are important in our lives.Guess the main idea from the title.
Where is usually the topic sentence
in a paragraph?
2. Skim the passage and underline the topic sentence of each paragraph!The topic sentence is usually
in the beginning or at the end of
a paragraph.Three minutes for you!The topic sentence 1. Since computers were invented in the USA in
the 1950s, they have become very important
in many areas of work and leisure.
2. Since the Internet came into being,
people’s lives at home have been changed, too.
3. Computers have improved our lives,
but they have brought problems, too. The Importance
of Computers 3. A mind map(思维导图 ) :.
Try to find the structure(结构)
of the passage when reading.
usageproblem Para.1 Para.2 Para.3 control the speed and directionfind diseases easily and solve other problemsdo dangerous workplace and cancel orders 4. Scan Para.1 and underline the
key words to complete the table. key words are often verbs, nouns or adjectives. In space
In business
In factories
In hospitals
in work
Two
minutes.
Nouns, verbs and adjectives
are usually key words.
读书对人类有益是毫无疑问的。doubt n. & v. 怀疑，疑惑There is no doubt that….毫无疑问……There is no doubt that computers are very useful
in technology and business. (Para.1 Line2)
There is no doubt that
reading is good for humans.Key point 5. Read Para.2 & 3 and complete the diagram: 1b
Page 102daily lifeplay games and _____________.
_______________ and _____________ at home.
_____________ by sending e-mails and ______________. watch movies do shopping do businesscommunicate chatting online problemget headaches or _____________.
don’t have enough time __________________.
something on Internet is not ________________.sore eyesto study or exercise true or goodWhat kind of words or expressions
are useful when giving examples?“for example”, “for instance” and “besides”
are helpful when giving examples.There minutes for you! ? besides意为“除……之外（包括在内）”
except意为“除……之外（排除在外）”。 如： Besides, not everything we read on the Internet
is true or good for us. (Para.3 Line4)Difficult point I have another blue pen besides this one. 除了这支外，我还有另一支蓝色钢笔。（1+1，共2支）我们都通过了考试，汤姆除外。（所有人中汤姆一人不及格）We all passed the exam except Tom. 6. The outline(框架) of 1a. The Importances
of Computers usageproblemwork daily
lifecontrol the speed and direction of a spaceship.
help doctors find diseases easily and solve other problems.
control the robots in factories.
help businessmen place and cancel orders.play games and watch movies.
do shopping and do business at home.
communicate by sending e-mails and
chatting online. get headaches or sore eyes.
don’t have enough time to study or exercise.
something on Internet is not true or good.Computers help us at work and at home,
but they must be used properly.Retell it!a passage topic sentence mind map title key wordsStep4 Post readingHow often do you use the computer ?
Often. Sometimes. Seldom. ...
2. What do you often do on the computer?
Do some shopping. See movies.
Play games. …
3. What do you think of the computer ?
Useful. Important. …
4. Do you think the computer is good for us ?
5. What’s your advice on using computers for your classmates ?
Three minutes for you.
Speak out your ideas!1. Discuss in groups and
add your own ideas about: chat onlinedo shopping onlinedo business online watch games book tickets search for information be bad for eyeshave no time to spend with familyhave a risk of depression2After discussion, you had better write down the result in the form of a passage. The Computer 引出话题 用处 弊端 你的建议 title topic sentence examples mind map We learn: 1. Some words: doubt, cancel, connect , besides
2. Some phrases: no doubt, for instance
3. Some sentences:
(1) There is no doubt that computers are very
useful in technology and business.
(2) Besides, not everything we read on the Internet
is true or good for us.
We can: 1. Talk about the importance of computers.
2. Write the composition The Computer
after discussion.
SummaryStep5 Homework1. Retell 1a based on 1b.
2. Complete the passage The Computer
based on your discussion. Self-evaluationI get_____ . Thank you !Merry Christmas!