浙江省桐庐分水高级中学高中英语同步课件：UNIT 3 COMPUTERS WARMING UP （新人教版必修2）.ppt

1、A toy?A handbag?Riddles(谜语):ks5uLets play a guessing game!ks5uI 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.who am I?abacusRiddles(谜语):/bks/PDA Personal Digital Assistant I am so small in size that I can

2、fit in your hand.I usually have a small screen but bigger than a digital phone,however smaller than the smallest laptop,I can store telephone numbers,access the internet,make calculations,and so on.who am I?I am very small.I can be used for calculating.In China,a lot of students use me when solving

3、mathematical problems.who am I?calculatorRiddles(谜语):/klkjlet/I am very big.Scientists use me to solve some mathematical problems.huge computerwho am I?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 P

4、C,because Im small enough for you to take me with you.laptop who am I?Riddles(谜语):/lptp/robotIm a machine that works automatically.I can do a wide variety of tasks,especially suitable for doing jobs too boring,difficult,or dangerous for human beings.who am I?/rbt/PC(个人电脑）PDA(掌上电脑）abacus(算盘）laptop(手提

5、电脑）calculator(计算器）huge computerrobotThe history of the computerWhat do they have in common?1.They can be used for calculating.2.They can deal with math problems.3.They are our friends.4.They are useful and helpful.In what ways are computersused in our daily life?Discuss with your partners and Work o

6、ut a list.search for informationsee movieslisten to musicread books and magazinessend emails to friendsdownload music and filmsshopping onlineplay games on the computerdraw pictureslook at photographs on the computerchat onlineShould high school students surf the internet (上网)?Why?Group 1:I think high school students should surf the internet becauseGroup 2:I think high school students shouldnt surf the internet becauseNowadays computers are very popular with high school students,whichAbove all,