河南省長(zhǎng)垣縣第十中學(xué)高中英語(yǔ) Unit 3 Computers computer warming up課件 新人教版必修3

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1、Unit 3 Computers calculate vt. (1)計(jì)算，核算計(jì)算，核算 eg: He calculated the costs very carefully. (2)估計(jì)估計(jì) eg: I calculate that we will arrive at 6:00 p.m. calculator n.計(jì)算器計(jì)算器 calculation n. 計(jì)算，計(jì)算結(jié)果計(jì)算，計(jì)算結(jié)果 universal adj. 普遍的，通用的，宇宙的普遍的，通用的，宇宙的universe n.宇宙宇宙Music has been called the universal language. simpli

2、fy vt. 簡(jiǎn)化，使簡(jiǎn)明簡(jiǎn)化，使簡(jiǎn)明 eg: That will simplify my task. simple adj. 簡(jiǎn)單的，樸素的簡(jiǎn)單的，樸素的 Heavy!Difficult! Hard!Tired! Easy! Fast! Free!A toy?A handbag?Riddles(謎語(yǔ)謎語(yǔ)): 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 dont like me now

3、. Do you know who I am?Do you know who I am?abacusRiddles(謎語(yǔ)謎語(yǔ)): 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?Do you know who I am?calculatorRiddles(謎語(yǔ)謎語(yǔ)): I can be used for calculating. Besides, I can als

4、o 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?Do you know who I am?Riddles(謎語(yǔ)謎語(yǔ)): Look at these pictures. Discuss what they have in common. Predict w

5、hat it is going to be about.Whats next?(WHAT DO THEY HAVE IN COMMON?)I think thatIn my opinionI believe thatWhats your reason?Why do you think so?1.They can be used for calculating. 2.They can deal with maths problems.3.They are our friends.4.They are useful and helpful.DiscussionHow useful computer

6、s are!school workgamesemailsmusic and filmschatinformationphotosshoppingInternetASK AND ANSWER QUESTIONS IN PAIRS.1. use computer for school work You Your partner2. play games on the computer3. send emails to friends4. surf the Web for fun5. download music and films6. chat online7. search for inform

7、ation 8. look at photographs9. do shopping onlineHow do you use computers and the Internet? Conclusion_（毫無(wú)疑問(wèn)）毫無(wú)疑問(wèn)）computer has two sides, too. If we _ （充分利用）充分利用）it, it will make our lives more colorful and convenient. But dont _(迷失自我）迷失自我）in playing computers. Just remember: _(保持健康）保持健康）, study wel

8、l and work hard.There is no doubt thatmake good use of lose yourselfkeep fit have nothing/little/a lot/something in common (with) sb. 與某人沒(méi)有/許多/有些共同之處 I have nothing in common with Jane. =Jane and I have nothing in common. 我與簡(jiǎn)毫無(wú)共同之處。 common adj. 共同的，普遍的；常見(jiàn)的常用結(jié)構(gòu)：in common with 和一樣common sense/knowledg

9、e 常識(shí)In common with many young people, he prefers pop songs.和許多年輕人一樣，他喜歡流行歌曲。TRANSLATE THE FOLLOWING SENTENCES .1.她們是姐妹，但是她們幾乎沒(méi)共同之處。（have. in common)2.對(duì)于老人來(lái)說(shuō)，這是一個(gè)普遍的問(wèn)題。 (universal)3.我希望你能簡(jiǎn)化一下你的故事。（simplify）4.你將被罰款一大筆錢(qián)。（fine vt.罰款；a large sum of money 一大筆錢(qián)）5.你需要算一算度假的費(fèi)用。（calculate)1. Write a short passage about how useful computers and the Internet are and as a student, how should we make use of it.2. Preview the Reading on Page 18. Homework