高中英文教案
2020-03-03 23:13:48 来源：范文大全收藏下载本文
高中
5班47号 赵冬菊
Background information
Students: 60 Senior 2 students
Leon duration: 15 mins
Teaching Content: NSEC Book 6 Unit3 Computers
Teaching Aims: 1.Enable students to understand the whole paage.
2 .Improve students’ ability of gathering information.
3.Let students know some basic information about computers.
Teaching important points:1.Students will be able to grasp some words and phrases if they don’t know.
2.To be able to know about the history about computers.
Teaching difficult points: Students will be able to the history of computers in English.
Teaching method: Task-based language teaching, communicative approach, Audio-lingual method and heuristic method.
Teaching aids :multimedia,physical objects.
Teaching procedures:
Step1 : organization
T: Ok, cla begins Good morning, everyone.
S: Good morning, teacher.
T:Ok,sit down, please.
Step2:Lead-in
T:I prepared some riddles .Do you want to gue?
S:Yes
T:I am very old now.I was born in China.Many people used me for calculating in the past,but now I am a bit lonely because they don’t like me now.Do you know who I am?
S:Abacus.
T:Very good.I am very small.I can be used for calculating.In China,a lot of students use me when solving mathematical problems.Do you know who I am?
S:Calculator.
T:Great,Then can you tell me the development of computers?
S:Abacua-calculator-huge computer-PC-laptop-PDA-robot
T:What is next?
S:Work for us in Mars.
Step3:Presentation 1.Fast reading T:And first I want you to read this quickly and try to find the main idea of this text.But do you remember,before you reading,pay attention to the title and the headlines and also the pictures in the text.And then,read the first paragraph or the first sentence of each paragraph.Then you can summarize the main idea.Are you clear? S:yes T:Ok,Time is up.Can you find the answer?What’s the main idea of the text? S:No answer from the students T:Ok,I’ll give you some choices.You can choose the right one.Which one is correct? S:B T:Yes,B is correct.The main idea of this paage is the development and use of computers.T:Who is the speaker in this story? S:A computer.T:Well done.2.Careful reading T:Ok,Let’s look through these characteristics of each period,we should know more information about them.Let’s read the test again.This time,I will give you 5minutes to finish this part.You should read it carefully.And finish the timeline below.S:silent reading T:Time is up.Ok,Can you fill in the blanks?In 1642? S:The computer began as a calculating machine.T:Well done.After 1822,how can you fill it? S:In 1936,the computer grew rapidly both in size and in brainpower.T:Good job.After 1940s,who can fill the blank? S:The computer had grown as large as a room.T:That’s right,which year can write between 1940s and 1970s? S:1960s T:Great.How do computers develop in 1970s? S:Computers were used in offices and homes.T:And now? S:Now,computers connect people all over the world tigether.T:Wonderful.Step4:Consolidate and practice T:We can summarize adventages and disadvantages of the computers.S:We can communicate with friends,listen to the music and play games.T:And disadvantages? S:Some people especially the teenagers abandon themselves to the computer games and chatting on the Internet,As a result,they have little time to study.T:Yeah,very good.Step5:Homework design 1.Review the paage 2.Write a composition about advantages and disadvanteges of Internet.
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