人教新课标必修2Unit3ComputersWarmingupreading(共43张ppt)(共43张PPT).pptx

Unit 3 ComputersWarming up readingLook at the following pictures and say their English names.calculatorabacusPChuge computerPDAlaptoprobot What’s next ?What English words do you know about computers?Screen（屏幕） host computer④⑥③⑤②speaker①Monitor（显示器）keyboardmouseCan you number the following pictures according to the time? Please discuss what they have in common. abacushuge computerlaptopPCPDArobotcalculatorWhat do they have in common?1.They can be used for calculating（计算）. I think that…In my opinion…I believe that…2.They can deal with maths problems （数学问题）.3.They are useful and helpful.4.They are our friends.Write out all the words you know about computers.updatesearchdownloadclickcomputerInternetmonitorsoftwarekeyboardDo our school workPlay computer gamesSend emailsSee movies Chat with friendsGet useful informationShopping on lineListen to musicInternetHow useful computers are!Computers have great power. They make our lives more colorful and more convenient. BUT Don’t just use computers for fun. Don’t spend too much time in playing computer games or chatting(聊天) online. We should learn more computer skills which are very useful in our future work. Talk freelyDifferent attitudes towards computers.parentsschoolstudentsComputers are very useful, we like playing with computers, especially computer games. We can also use computers to do our homework, to get information. Without computers, we will fall behind others. Computers are useful, they are helpful to children, so we should teach children how to use computers. But we should also teach them to use computers correctly (正确地）.Computers take too much time of our children, and thecomputer games are harmful.So we should forbid children play with computers.Reading: Who am I?Fast-reading:1. Who is the speaker in this story? A computer.2. Write down three sentences from the story to support your idea. 1) I was built as an Analytical machine by Charles Babbage.2) My real father, Alan Turing, …3) I was always lonely sta