【省级公开课课件4】仁爱英语九年级上Unit4 Topic 3 Section C

1、 Understand the general framework of Understand the general framework of the article and try to write a similar the article and try to write a similar article.article.Discuss how to use the computer properlyDiscuss how to use the computer properlyKnow the usages of computers in Know the usages of co

2、mputers in different areas.different areas. Master new words and phrasesMaster new words and phrasesKnow disadvantages of computersKnow disadvantages of computersLearning objectives=normallylynormal+正常的正常的 adj.正常地正常地 adv.inside=placework+在在.里里面，边面，边在在.里面里面workplace=工作场所工作场所in+side工作工作地点地点proper恰当的 a

3、dj.+ ly= properlyTip1:根据根据构词法构词法来猜测来猜测单词意思。单词意思。恰当地 adv.tinytiny 微小的微小的 entertainmentTip2:根据根据上下上下文语境文语境猜测词猜测词义义entrtenmnt 娱乐娱乐A. 探索探索B. 接通接通C. 连接连接D. 改善改善knekt1.entertainment 娱乐；招待娱乐；招待2.tiny 极小的，微小的极小的，微小的3.inside 在在里；在里面里；在里面4.normally 通常地；正常地通常地；正常地5.workplace 工作场所工作场所6.connect 连接连接7.properly 正确

4、地，恰当地正确地，恰当地8.brain 脑；智力；脑力脑；智力；脑力9.doubt 怀疑，疑惑怀疑，疑惑 10.cancel /knsl/ 取消，撤销取消，撤销Read together entertainment doubt tiny inside normally brain cancel workplace connect 娱乐 怀疑/疑惑微小的在.内正常情况下脑力/智力取消/撤销工作场所连接/联系Cperly恰当地Guessing Time !have English classes medical care launch the spaceship In

5、my opinion ,we should use computers properly. Computers are very important. 适当地,adv.Tick the fields we use a computer in. education business industry communication daily life medical care sports entertainment 1aThe Importance of ComputersTask 1 Skim and find out the correct answer.Read 1a quickly an

6、d choose the best answers.1. How many aspects (方面）方面） does the writer talk about the usage of computers ? A. one B. two C. three2.Which paragraph shows the usage of comouters in daily life ? A. Paragraph1 B. Paragraph 2 C. Paragraph 33. What have computers brought problems ?A. They can make us study

7、 better.B. They can make us get everthing that is true or good.C. They can make us get headaches or sore eyes.Computers are very useful in technology and business.Whats the topic sentence of each paragraph? 1 2 3Since the Internet came into being,peoples life at home have been changed.Computers have

8、 also brought problemstechnologybusinesspeoples lifeproblemswork daily life problemsusage The usages and problems of computers Task 2Tips:We can often get the topic sentence from the beginning or the ending of a puters usageproblemwork daily life1. _ of a spaceship. 2. help doctors _. 3. _ in factor

9、ies. 4. help businessmen _.1. play games and _2. _ and _ at home. 3. _ by sending e-mails and_ 1. get headaches or _. 2. dont have enough time _. 3. something on Internet is not _.control the speed and direction find diseases easilycontrol the robotsplace and cancel orders watch movies do shopping d

10、o businesscommunicate chatting online sore eyesto study or exercise true or goodPra 1Pra 2Pra 3Task 3 Read 1a carefully,fill in the blanks. Finish 1b. Lets retellthe usages and problems of computers work daily life1._of a spaceship2. help doctors_.3._in factories.4.help businessmen _.control the spe

11、ed and direction usagefind diseases easilycontrol robotsplace and cancel orders 1. play games and _2._and _at home3._by sending e-mails and_watch movies do shopping do businesscommunicate chatting online 1. get headaches or _. 2. dont have enough time _. 3. something on Internet is not _.sore eyesto

12、 study or exercise true or goodwe should use computers properly. problemsWhats the structure of the passage? A:B:C:Try to find the structure(结构结构)of the passage when scanning the passageTask 4Task 5 Trouble shooting( 疑难解答）疑难解答） There is no doubt that computers are very useful in technology and busin

13、ess.“no doubt” means_ “无疑地无疑地” 11 1 12Besides, not everything we read on the Internet is true or good for us. For instance, if we work on computers too long, we may get headaches or sore eyes. “for instance= for example” means _. “例如例如” We can use computers to send emails _ chatting on line.A. besid

14、es B.exceptbesides 除除.之外之外 （还有）（还有） except 除除.之外（不包含）之外（不包含）3Task 6 Deep Reading Complete the passage with the correct forms of the words. Since computers were _ (invent) in the USA in the 1950s, they have become very important in many areas of work and leisure. In space,computers have been used _(

15、control) the speed and direction of a spaceship. With the help of computers, doctors can find diseases _( easy) and solve other problems. For example, tiny computers_ are inside patients bodies can keep their hearts beating_ n:ml. In factories, robots are controlled by computers that are like human

16、brains. In business, we can use computers to place and_knslorders. Now more and more people have _ ( person)computers that are used to play games and watch moives. Instead of _ ( write) letters on paper, people cmmunicate by sending e-mails and chatting. The Internet is making the world better and _

17、 ( small). But it can also bring problems. So we should use it _prpl.inventedto controleasilywhichnormallycancelpersonalwritingsmallerproperlyTask 7 Further ReadingWhat do you think the writer will write next?What do you think the writer will write next?A.The history of computerB.The different types

18、 of computerC.What computes will be like in the futureD.How can we use computer properly Tips: 通过文章最后一两句话来预测作者接下来的写作方向。 众所周知，电脑在我们的日常生活中正起着很重要的作用，众所周知，电脑在我们的日常生活中正起着很重要的作用，它给人们的生活和工作带来了很多好处，同时也带来了许多弊它给人们的生活和工作带来了很多好处，同时也带来了许多弊端，请和你的同桌讨论并发表一下你的看法。端，请和你的同桌讨论并发表一下你的看法。 DiscussionDiscussion1)_2)_3)_ .ad

19、vantagesdisadvantages1)_2)_3)_ The structure(结构) of the passageBeginningadvantagesEndingdisadvantages transition(过渡过渡)Writing time ! “How can we use computers properly”BeginningBodyadvantagesdisadvantagesEndingtransition过渡过渡As we know, with the rapid development of technology, the computer is playin

20、g an important role in our everyday life.1. However, computers also have the disadvantages.2.However, as the saying goes, everything has two sides.3. On the other hand, coputers can also cause problems if .1. In my opinion , as students, we should work first and use computers properly.2. In a word,

21、students shouldnt play games on weekdays, they can play games at the weekend, but dont waste too much time on it.Preview Section D21Write a composition about “How can we use computers properly”HomeworkTask 7 Trouble shooting( 疑难解答）疑难解答） 141.How many attributive clauses( 定语从句）in the passage ?2.Find t

22、he relative pronoun(关系代词） of the attributive clauseTask 7 Trouble shooting( 疑难解答）疑难解答） There is no doubt that computers are very useful in technology and business.“no doubt” means_ “无疑地无疑地” For example, tiny computers which are inside patients bodies can keep their hearts beating normally.1. Find the relative pronoun(关系代词）关系代词） of the attributive clause _.2. “ke