剑桥国际英语教程2册Unit7.ppt

Unit 7What’s this for?Brainstorm machines and modern inventionsvTelephone, cell phone, credit cards, TV, CDs, laptop, computer, video games.Match vCell phonevPocket calculatorvMicrowave ovenvWorld wide webvTelephone answering machinev1945v1949v1970v1979v1989What do you use your computer for?vPlay gamesvBuy thingsvDo researchInfinitives and gerunds for uses and purposesvInfinitives:To +verb( do)例: I use my computer to send e-mails.我用电脑来玩游戏I use my computer to play games.vGerunds:For+ V-ING( doing)例: I use my computer for sending e-mails.我用电脑来玩游戏I use my computer for playing games.注：语法部分第二句为被动语态，会在unit11学习到vComputers are often used to pay billsvComputers are often used for paying billsvBe used for/to 被用来做某事Exercise SatelliteRobotDNA fingerprintingCD-ROMTransmitText messageCriminal 卫星机器人DNA指纹图谱/分析只读光盘驱动器传输短信犯罪Word powervDisc drivevGeek, technophilevHackervMonitorvMousevSurf the netvHardware v光盘驱动v技术宅v黑客v显示器v鼠标v上网v硬件Word powerPeople who are ‘into’ computersTypes of hardwareGeekHacker technophileWhizDisk driveKeyboardMonitorMouseFun things to do with a computerThings to do with mouse Browse Web sitesPlay gamesScan photosSurf the netCut and pasteDouble-clickDrag and dropHighlight textListening vForty-two percent of the population never uses the Internet.vOlder people, people living in rural areas, those who are worried about privacy, or who think the Internet isn’t necessary in their life don’t use the Internet.ListeningvAre people who ask others to send e-mails or browse Web sites for them.vAre people who once used the Internet, but don’t anymore.vPeople may become Internet dropouts because they don’t have a computer anymore, don’t have enough time, or aren’t interested Conversation vWho owns the cell phone?vWho are they calling?vWhat’s the first thing to do?vWhat should the woman press?ConversationCan I borrow your phone?Jenny: Can I borrow your phone to call my boss?Richard: I can’t you still don’t have a cell phone. Here you go.Jenny: Thanks. Now, what do I need to do?Richard: First of all, be sure to turn it on. And don’t forget to dial the area code.Jenny: OK, I can see the number, but I can’t hear anything.Richard: That’s because you haven’t pressed the ‘call’ button.Jenny: Oh, good. It’s ringing.Richard: Try not to get too excited. You’ll probably get his voice mail.Jenny: You’re right. It’s a recording.Richard: Make sure to hit the ‘end’ button or else you’ll leave our conversation on his voice mail!Imperatives and infinitives for giving suggestionsvBe sure to确定vDon’t forget to别忘了vTry to尝试vTry not to试着别vMake sure to确保Verb.(动词原形动词原形)。