Modern machines课件6.ppt

1、Unit 3 Modern machines,Reading,Pre-reading,1. Look at the titles and pictures, guess what we are going to learn? 2. How many parts are there in this passage?,computer,3,Hidden helpers What kind of jobs can a computer do? Is a computer cleverer than I am?,3. Finish exercise B (P44). Look and think,Ke

2、ys: 1. Correct 2. Correct 3. are already cleverer are not cleverer,Discussing in groups,While-reading,Many years ago, we could see computers everywhere. There are lots of small, hidden computers in our home. Computers are the best calculators in the future. We call computers the electronic brains. F

3、or the time being, computers are cleverer than us.,T,T,F,F,F,skimming,Read the text quickly and finish the exercise on P46 C Find the meaning,C1. BCBABA,C2. DEACB,C,skimming,Read the text carefully,What are hidden helpers? Where may a computer hide inside? What can computer do except(除.之外) calculati

4、ng? Can computer control railways? In the future, who may computers be better at doing their jobs than? What are the interesting questions?,scanning,1.What are hidden helpers?,Computers.,2.Where may a computer hide inside?,They may hide inside a TV set, mobile phone, washing machine, micro- oven, ma

5、ny other machines.,scanning,3.What can computers do except(除.之外)calculating?,They can also type, print and draw. They can operate railways and fly planes and spaceship.,4.Can computer control railways?,Yes. They can operate railways .,scanning,5.In the future, who may computers be better at doing th

6、eir jobs than?,They may be better at doing their jobs than doctors, judges and teachers.,6.What are the interesting questions?,How will computers change our lives? Will we have nothing to do? Will computers make our lives better or worse in the future?,scanning,Listen to the tape Pay attention to th

7、e pronouciation of the words.,Read the passage again, then ask and answer questions in pairs.,S1: May I ask you some questions? S2: Yes, please. S1: When did you first see computer? S2: Let me see. I first saw computer in 1997. What about you?,Here is a model for you,Read the text again and finish e

8、xercise D type; print; draw 3. Operate railways; fly planes; spaceship 4. Create new ideas 5. Nothing to do,Post-reading,Nowadays, computers are more and more important. Computer could help us a lot, and most of us use computer everyday. But as a student, do you think we should use computer a lot? Why ?,Group work,Discussing,Nowadays, computers are more and more important. Computers could help us a lot, and most of us use computers everyday. But as a student, do you think we should use computer a lot? Why or why not?,Group work,Discussing,Do some ex