1、If you want to record,Unit 1,Period 1,press the red button.,New technology,MP3,car,plane,computer,mobile phone,tape recorder,rocket,camera,fridge,Brainstorm,choose,If you want to listen to music, choose_. If you want to call others, choose_. If you want to keep the food fresh, choose_. If you want t

2、o take photos, choose_. If you want to play games, choose_. If you want to listen to the tapes, choose_.,Step2 Lead in:,Play,Have you ever used the tape recorder ? How do you use it?,A: I want to play an English cassette, what should I do?,B: If you want to play it, press “Play” button.,1.If you wan

3、t to turn on the tape recorder, press the _button.,3. Press the _button, if you want to pause the tape recorder.,2.If you want to play back the tape recorder, press the _ button.,4. Press the _ button, if you want to turn off the tape recorder.,blue,green,red,yellow,How can I use a tape recorder?,st

4、op,pause,back,play,Listen and say what is happening.,Betty want to,A.use the video camera. B.play the computer. C.bororrow a video camera.,Activity 1.,2.A.Tony B.Damin C.Sally,can help Sally.,Betty: Tony, how do I use the _ _,on my mobile phone?,Tony: Its easy, Betty. First, turn it on. Then you,_ c

5、amera, and press the yes button.,Then you choose video, and press the yes,_.,video,camera,choose,button,Betty: OK, Ive got it.,Tony: And _ you want to play back your video,press the playback symbol-thats right.,Betty: And can I _ it?,Tony: You can save it on your mobile phone. If,your mobile phone _

6、 _ enough,_, save it on your computer. Just,_ your phone _ your computer and,_ it.,Betty: Thank you for the_.,if,save,doesnt,have,memory,connect,to,copy,instruction,Practice.,Complete the sentences.,If your printer doesnt work, p_ the green button. 2. If you cant find the b_ of the radio, let me hel

7、p you. 3. If you dont understand what I said, read i_ again. 4. You should e_ why you were late again. 5. You can c_ my notes if you cant see the blackboard. 6. Check the m_ of the computer carefully if you downloads a file.,ress,utton,nstructions,xplain,opy,emory,Press the _ button,Press the _butto

8、n,Wait for _seconds,Connect the _ to your computer,Choose the “_” symbol,Activity 5 Complete the table.,green,red,30,recorder,copy,blue,listening,Activity 5.,Find out the sentences with “If”, and complete the table.,press the blue button,press the green button,press the red button,wait for 30 second

9、s,connect the recorder to,your computer,choose the copy symbol,Pair work,-How do I turn on the recorder? -If you want to turn on the recorder, press the blue button.,Press the green button.,Press the red button.,Wait for 30 seconds.,Connect the recorder to your computer.,Choose the “copy” symbol.,Ac

10、tivity 6 Work in pairs.,- How do I turn on the recorder?,- If you want to turn on the recorder, press the blue button.,- Press the blue button if you want to turn on the recorder.,Activity 3.,Listen and read.,Pre-listening questions:,What are the two speakers mainly talking about?,They are talking a

11、bout how to use a recorder.,1)Why does Sally have the CD recorder? 2) What do they do to find out how it works? 3) Whos playing the violin on the recording?,Activity 4 Answer the questions.,Because Chen Huan wants a recording for his programme.,They look at the instructions.,Kylie is playing the vio

12、lin on the recording.,4)How do they know if its working? 5) Why isnt Sally playing on the recording? 6) What do they decide to do?,Activity 4 Answer the questions.,They play back the recording.,Because she wants Kylie to play on the recording.,They decided to record Sallys playing.,Listen and repeat

13、,If從句祈使句,if條件狀語(yǔ)從句（1）,If 從句的位置：if從句可以放在主句之前也可以放在主句之后。,從句,主句,Summary,If you want to turn on the recorder, press the blue button.,If there is no red light, wait for 30 seconds.,If,If,從句,主句,want,is,一般現(xiàn)在時(shí),press,wait,動(dòng)詞原形,祈使句,如果,1. If you (want) to know how it work, (read) the instructions.,2. If you (want) to listen to music, (choose) a CD.,3. If you (buy) a new camera, (get) a good one.,4. If the light (not come) on, (wait) for one minute.,5. If you (want) to keep the picture, (save) it on your computer.,6. If you (not know) how to u