Unit 4 The Internet Connects Us-Lesson 23 The Internet — Good or Bad -ppt课件-(含教案)-市级公开课-冀教版八年级下册英语(编号：60256).zip

Lesson 23The InternetGood or Bad?冀教版冀教版 八年级下册八年级下册 Where do these students live?They live in Africa. With the Internet, we could meet them in seconds. Whats this?Its the South Pole. Its far away from us .But the Internet can even take us there. Every _ has two sides. Everything has two sides( _or _), so does the Internet.coinadvantagesdisadvantagesAdvantages: In many ways the Internet makes our life easy and simple. Spending too much time online is harmful to peoples health.Disadvantages:Disadvantages:It may cause people be less social with family and friends.Disadvantages:Aside from(除此以外除此以外) that, Some people attack the web or steal others personal information, even banking information.So we must use the Internet properly. Read the lesson and write true (T) or false (F).1.People can connect and share information in minutes.( )2.The Internet can make our life easier and simpler in many ways .( )3.Every coin has three sides.( )4.The Internet is a useful tool so we can let it take up all of our time.( )FFTFsecondstwocantRead Paragraph 1 and 2 and find out the good things about the Internet. *We can use it to_ and _ information _ _.* In many ways it makes life _ and _.*It helps us get things done_ _.*It _ _the world to us.*It makes it _to stay in touch if a friend lives_ _.connectshare more quicklyopens up easy far away easier simpler in secondsRead Paragraph 3 and find out the bad things about the Internet. *Spending _ _ time online is _ to peoples _.*It may even _ them to be _ _with family and friends.*Some people _ the web or use it to _ others _ information, even _ information.too much harmful attack steal personal bankingcause less social healthRead Paragraph 4 and give some advice for junior high students.*Dont let the Internet _ _ all of your time.*Use the Internet _ and _.take upproperly carefullyListen to the dialogue and tick the correct answers.1.What are Li Ming and Wang Mei talking about? Their school project. Their homework. 2.Why does Wang Mei think the Internet is good? She can chat with her friends easily. She can watch TV programs.3.Li Ming thinks they should use the Internet_. carefully and freely properly and carefully Most parents and teachers think it is a bad thing to play computer games. They think it is a waste of time and money. Because of computer games, some students dont care about their study any more. Playing too many computer games is also bad for childrens eyes and health. However, computer games can also bring some benefits. They can help people in many ways if people spend proper time on it. Some computer games can improve peoples ability of thinking. They can make people think in different ways. Playing computer games can also help people be familiar with the keyboard. If people are familiar with the keyboard, they can type fast. More and more people begin to design educational CD-ROM. They hope people can get some knowledge while they are playing computer games.Playing computer gamesAdvantagesDisadvantages*Some computer games can _peoples ability of _.*Playing computer games can also help people be _with the _and _ fast. *It is a waste of _and _. *Some students dont _ _ their study any more.*It is also bad for childrens _ and _. improvethinkingfamiliarkeyboardtypetimemoneycare about eyes health.Read the lesson again and fill in the table.Good things about the InternetBad things about the Internet1.It makes life easier and simpler.2. It helps us get things done more quickly.3. It opens up the world to us.4. It is easy to stay in touch with friends.1. Spending too much time online is harmful to peoples health.2. It causes them to be less social with family and friends.3. Some people attack the web or steal others personal information.Pair Work: The good and bad of using the Internet to make up a dialogue. The Internet is good.The Internet is bad.Have a debate! The Internet -Good or Bad? Good (Girls) Bad(Boys) Use the Internet properly and carefully and it can make your life more colourful. Homework: Write a passage for junior high students and give them some advice about what to do and not do on the Internet. 1LessonLesson 23:23: TheThe Internet-GoodInternet-Good oror Bad?Bad?KnowledgeKnowledge By the end of the lesson, the students will be able to:1.Read, understand and use the new words and phrases :advantage ,disadvantage ,simple, cause, less, aside, attack, web, steal, banking, properly2. Understand the Adverbial Clause with “if”.AbilityAbility 1. To understand the text clearly.2. Be able to describe good things or bad things about the Internet.TeachingTeaching aimsaimsEmotionEmotion Treat and use the Internet correctly TeachingTeaching difficultdifficult pointspoints andand importantimportant pointspointsDescribe good things or bad things about the Internet.TeachingTeaching toolstoolsPPT, radioTeachersTeachers activitiesactivitiesStudentsStudents activitiesactivitiesAimsAims Step1:Step1: Lead-inLead-in andand warmwarm upupAsk the Ss to look the pictures and think about:1. Where do these students live? 2. Whats this?The Ss talk about it. Ask some students to answer the questions. lead in the new concept“The Internet makes our life simple.”Step2:Step2: NewNew Concept:Concept:1.Teach the new words through context2.Read the lesson and write “T” or “F” People can connect and share information in minutes.The Internet can make our life easier and simpler in many ways . Every coin has three sides. The Internet is a useful tool so we can let it take up all of our time.3.Read Paragraph 1 , 2 and find out the good things about the Internet. 4.Read Paragraph 3 and find out the bad things about the Internet. 5.Read Paragraph 4 and give some advice for junior high students.6.Listen to the dialogue and tick the correct answers.7.Read develop reading article and find advantage or The Ss learn new words. The Ss read it then do the exercise.The Ss read the passage again individually and then discuss the answers with partners.The Ss listen and do exercise 2.The Ss read the passage and underlined the sentences.Teach the new wordsFirst, read the whole text and understand the effect. To understand the text details Practice the listeningTo accumulate some words of advantages or disadvantages of 2disadvantage of the Internet.the Internet StepStep 3:3: PracticePractice Practice to use the useful phrases and sentences.Fill in the blanksStudents can get more and more practice by doing.Step4:PracticeStep4:PracticeWork in pairs to talk about the list in Lets Do It! No.3. Ask the pairs to share their answers with class. Discuss the reasons.Work in pairs. Correct each other.To cultivate students cooperated ability. Step5:projectStep5:projectWhat do your classmates often do on the Internet? Do a survey of your class and write down the top two questions.Talk about the questions with othersTo give Ss time topractice their speaking and writing abilities.Home-Home-workwork Write a passage for junior high students and give them some advice about what need to do and not to do on the Internet. BoardBoard DesignDesign Lesson 23: The Internet-Good or Bad?advantage disadvantage in secondssimple cause Every coin has two sides.less aside aside fromattack web take up steal banking, properly