海南华侨中学三亚学校人教版高中英语必修二：UNIT3 WARMING UP第一课时 课件 .ppt

1、Book 2 Unit 3 Computerswarming up一、教学目标knowledge aims:(1)Get the students to learn the useful words and expressions in this part.(2)Let students to learn about history and basic knowledge of computers.Emotional aims:(1)Arouse students great interest in learning computers and let them learn to use th

2、e computers in their daily lives.二、重难点Difficult points and important points1.Let the students learn more about history and basic knowledge of computers.2.Get the students to learn different reading skills.lead in（导）1、Read the new words.2、Give Ss some riddles(谜语)I am very old now.I was born in China.

3、Many people used me for calculating 计算in the past,but now I am a bit lonely because they dont like me now.Do you know who I am?abacus 算盘Riddles(谜语):I am very small.I can be used for calculating.In China,a lot of students use me when solving mathematical 数学的problems.Do you know who I am?calculatorRid

4、dles(谜语):I can be used for calculating.Besides,I can also be used for watching DVD,sending e-mail and communicating through the Internet.However,I am not a PC,because Im small enough for you to take me with you.notebook computerDo you know who I am?Riddles(谜语):Thinking(思)1.步步高学案导学设计P26，基础自测monitorsc

5、reen mouse keyboard hard diskDVD-ROM(1)the part of the computer that looks like a television.(2)the part of the monitor that you look at.(3)something you use to click on things(4)the part of the computer that you type on.(5)the part of a computer that storesinformation.(6)The part of computer that w

6、e can put a CD in.Work out the names Thinking(思)Discussing(议)1.Look at these pictures.In pairs discuss what they have in common.2.What do they tell you about the development of computers?3.What do you think will be the next development?What do they have in common?an abacusa calculatora desktopa note

7、book computera laptopdigital cameraa robot(What do they have in common?)I think that In my opinion I believe that Whats your reason?Why do you think so?1.They can be used for calculating.2.They can deal withmaths problems.3.They are our friends.4.They are useful and helpful.Showing and comment(展、评)work for us in Mars(火星)Whats next?carry thingswork in wars (战斗)仿真机器人entertainment娱乐Testing(测)Find out the new words in the readingHomework:1.write the new words2.prepare lessons before next classExercise(练)Thank you!Thank you!