冀教版高中英語必修3素材 Unit3 The Computer Section 1(1)

111UNIT3 The computer Section 1BRIEF STATEMENTS BASED ON SECTION 1This prat will lead in the topic in this Unit THE COMPRUER by introducing some related information.After the teacher has a brief introduction about the computer,he/she may ask several Ss to give an introduction and then talk about them,this is a good chance to let them express themselves before the classmates as well as a test of their English.At the same time,they may be eager to communicate with their classmates about the topic.This will accelerate their knowledge of the new topic,and arouse their interst in learning the text.Vocabulary and speaking are very important in English learning.The teacher should teach more knowledge about the two aspects to Ss.The teacher should let them know the coming period is colorful,full of imagination and creation,thus an important part in one's life.Besides,this part we will also vocabulary.Pronunciation is important for English learners,so the teacher should tell Ss to pay attention to word pronuncition,especially to the stress.Next is about the usages about words and expressions.THE GENERAL IDEA OF THIS PERIODThis is the third unit of the book.Also it's important for a new high school student.High school period is a time of discovery ,learning and hard work.Showing the importance of learning the computer can arouse their interest and can expand their knowledge.TEACHING AIMSGive the Ss some basic knowledge about the computer and let them be conscious of the computer isn't positive. TEACHING DIFFICULT POINTTo ensure every student to have a chance to express himself/herselfTECHING METHODIndividual,pair or group work to make everyone work in classTEACHING AIDSMultimediaA blackboardTEACHING PROCEDUREStep 1 Greetings and lead-inT:Good morning ,boys and girlsSs:Morning ,sirT Welcome to this unit!Glad to meet you here and Im glad to teach you the interesting topic.First of all,please allow me to introduce the computer.Generally speaking,a computer consists of hardware and software,and the chip is its core.The computer has many advantages,such as expanding our knowledge,widening our view,getting timely information etc.Of course,anything has two sides,its disadvantages are obvious-some bad sites,and porno are always doing harm to teenagers,who are addicted in them and delay regular work.T I want to ask some of you to introduce the computer.You,please?S1 The earliest computer was invented 50 years ago,the origianl was large,awkard,and very expensive.Thanks to the silicon chip,computers are now cheap and convient,and are constantly improvingT what abou you?S2 The computers are widely used in varieties of fields,such as,agricultue,industry,medicine etc.T Will you tell us its advantages in our everyday life?S3 We can learn on the line,download some valuable informtion,email our friends,and chat with them.T your name,please?S4 My name is Wanghui,and my English name is Gorge.T What do you think of the computer?S4 It's certain that the computer has many advantages,but it isn't always positive.such as,bad sites,and porno you referred to just now,and crime by internet is posing a gread threat to our society.T What else will you say?S5 Once the computer had a great bad influence.I was addicted in it and would escape from school,which caused my bad marks.Later,with the help of my teacher,I has formed the good habit of searching the internet.As a teenager,sometimes we can hardly resist lure.We urge our parents and teachers can direct and give us timely helpT -<T may ask several Ss to say about this topic.This is a good chance for them to make themselves known .Meanwhile,the teacher may know their English level.Step 2 Introduction of the structure of a computerAfter several students have given their introduction of the computer,the teacher may trasfer to introduce the structure of a computerT Just now some of you introduce something about a compute.Now let's learn more about the computer<show some pictures of the computer and ask Ss to say something about them>Step 3 Further discussionJust now you have seen some parts of the computer.As is shown,each part has different function.Can you tell me how them work.<6mintes for Ss to discuss the topic,and get ready to express themselves><6mintes later Ss are given equal opportunity to speak something>Step 4 ExpectionWe are living a changing world ,and informantion is very important.Therefore,we should make full use of the computer to get more knowledge.Since this is a beginning,I want to ask you:What do you want to get from the computer or internet?What is your dream computer like?<5minutes for them to discuss the topic><5minutes later,students should be given more time and more opporutnity to express themselves>Step4 Summary and homeworkT Today we have a good beginning .We learn some knowledge about the computer and know about how its different parts work as well.Besides,we talk about something to get useful information from the computer.We also describe a brief of our dream computer.After class,please find out more function of a computer,say more about your dream and speak more and moreStep 6 The design of the writing on the blackboardHow to make use full of the computerWhat is your dream computer like?Step 7 Record of teaching_-Activities and Research1 Introduction to students about the computer2 Picture show to illustrate some funtions about the computer3 Further discussion with each other to describe their dream computer.111