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1、 九年级上 仁爱版 Unit4 Topic3 China is the third nation that sent a person into space.Section CA3 演示文稿制作 Learning Objectives能积累词汇，词组，句子等为阅读扫清障碍。能读懂与科学知识有关的文章。能根据问题查找信息，找出各段的中心句，理清文章的结构。积一积 读一读 理一理能结合思维导图，列出关键信息，为写作提供框架，进行短文创作。写一写 What s the biggest event in October?China launched the Shenzhou 13th spaceshi
2、p.Thanks to computers,China has taken the leading position in space industry.Astronauts use computers to control the speed and direction,even the temperature.How does the spaceship work?education business industry communication daily life medical care sports entertainmentWhat else fields are compute
3、rs used in?enttenmntn.娱乐Computers are very important!Pre-readingThe Importance of Computers Read the title and predict(预测)the main idea of the passage.Computers have become very important in many areas of work and leisure.Task 1:Read the passage and check your answer.While-readingThe title is helpfu
4、l to find out the main idea.The main idea of the passage:1.What is the writing style of the passage?Task 2:Read 1a again and answer the questions.A.Narrative(记叙文)B.Expository(说明文)C.Argumentative(议论文)2.Whats topic sentence of each paragraph?(Underline)3.Whats the structure(结构)of the passage?Topic sen
5、tences are usually at the beginning or the ending of a paragraph.=Paragraph 1 =Paragraph 2 =Paragraph 3 A.C.B.1.What is the type of the writing style?(体裁）C.Argumentative(议论文）B.Expository(说明文)A.Narrative(记叙文)2.Whats the topic sentence of each paragraph?Since the Internet came into being,peoples life
6、at home have been changed.Computers have improved our lives,but they have brought problems.Para.1Para.2Para.3There is no doubt that computers are very useful in technology and business.There is no doubt that+句子句子 无疑，毫无疑问无疑，毫无疑问.There is no doubt that computers play an important role in our daily liv
7、es.There is no doubt that+句子句子 无疑，毫无疑问无疑，毫无疑问.e.g.毫无疑问电脑在我们的日毫无疑问电脑在我们的日常生活中扮演着重要的角色。常生活中扮演着重要的角色。doubt/dat/怀疑，疑惑怀疑，疑惑 3.Whats the structure of the passage?2 2 A.B.C.1 12 23 31 12 21 13 33 3=Paragraph 1 =Paragraph 2 =Paragraph 3Task 3.Read Para.1 carefully and fill in the blanks.A.地方B.下指示C.证明 Place
8、The usage of computers In _ In _ In factories In business control the speed and direction find diseases easily and _ other problemsdo _ work _ and cancel ordershospitalssolvedangerousplacespaceWhat does“place”mean?knslv.取消，撤销In space,computers are used to control the speed and direction.利用反义词猜词Compu
9、tersDaily lifeplay games and _anddo business at home send e-mails and _Task 4.Read Para.2 carefully and complete the mind-map with key words.watch movies do shopping chat on line_We use computers to.ComputersproblemsTask 5.Read Para.3 carefully and complete the mind-map with key words.get headaches
10、or _have no time to_sore eyesstudy or exercise?for example/for instancebesidesbsadzadv.而且，还有而且，还有prep.除除之外之外（包括在内包括在内）Besides,not everything we read on the Internet is true or good for us.关系代词关系代词that作宾语，可省略作宾语，可省略ComputersproblemsTask 5.Read Para.3 carefully and Complete the mind-map with key words
11、.get headaches or _have no time to_Not eveything is true or good_sore eyesstudy or exercisebesidesComputers bring problems.We In daily life,we use computers to1._ of a spaceship.2.help doctors _.3._ in factories.4.help businessmen_.1.play games and _2._ and_ at home.3._ by sending e-mails and _1.get
12、 headaches or _.2.dont have enough time _.3.something on the Internet is not _.control the speed and direction find diseases easilycontrol the robotsplace and cancel orders watch movies do shopping do businesscommunicate chatting online sore eyesto study or exercise true or goodTask 6.Retell the pas
13、sage by the following diagram.Computers are used toWhats the writers purpose(意图意图)of this passage?A:to tell us computers have some disadvantages.B:to tell us computers have many advantages.C:to tell us computers are useful,but they must be used properly.Agree？Disagree？As the saying goes,every coin h
14、as two sides.Nowadays,the smart phones bring so much convenience to our study and life,but many students lose themselves in them.1.What do you think of the smart phones?2.Can you have your own smart phone？Post-readingAgree?Disagree?We students can have our own smart phones.smart phonesget headaches/
15、.Task 7.Complete the mind-map according to your debate.agreedisagree watch movies/.do shopping chat on line/.search for informationhave no time to studyNot eveything is true/.Task 8.Writing 随着经济的发展，手机在我们日常生活中的使用日益广泛。而在随着经济的发展，手机在我们日常生活中的使用日益广泛。而在校中学生是否应该拥有手机，学生们拥有不同的观点。你们学校的校中学生是否应该拥有手机，学生们拥有不同的观点。你
16、们学校的English Newsletter就此举行征文活动。根据今天所学内容并结合自就此举行征文活动。根据今天所学内容并结合自己的导图写一篇约己的导图写一篇约8 80 0词的小短文。词的小短文。phrases:play an important part in There is no doubt that be used to thanks to with the help of for instance/for example whats more whats worse besidesWhats the structure(结构结构)of the composition?Beginnin
17、gBodyEndingagreedisagree transition(过渡过渡)With the development of economy,smart phonesare widely used in our daily life.watch movies/do shopping/.get headaches/have no time to study/.for instance/for example/besides/whats more/whats worse/.In my opinion,.As the saying goes,every coin has two sides.We
18、 should use smart phones properly.At the end of the class,we can.talk about the importance of computers;be aware to use computers properly;write a passage about“Smart Phones”;use different reading skills to analyse(分析分析)the passage.SummaryLevel A 1)听，熟读课文，并根据导图复述课文；2)完成练习册Section C的练习；3)补充完整课堂上未完成的小作文。Level B 1）听，熟读课文；2）完成练习册Section C的单项选择；Level A&B：预习Section D Homework