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UNIT 3LANGUAGE IN USEIf were happy, _. If were happy, _.If were happy, _.If were happy, _.clap our handsstomp our feetshout hurrayour face will surely show itif 引导的条件状语从句引导的条件状语从句Lets see the following sentences: If he comes, Ill ask him to teach me how to play tennis. Shell help you if you ask her. If you want to know the result, ask him. Print the photo if you like it. If you finish the work, you can go home. He cant sleep well if he plays computer games late at night. IF 引导的条件状语从句的基本用法引导的条件状语从句的基本用法:主句主句从句从句一般将来时一般将来时一般现在时一般现在时祈使句祈使句一般现在时一般现在时含情态动词含情态动词一般现在时一般现在时 条件状语从句和条件状语从句和“祈使句祈使句 + and / or + 简简单句单句”的互相转化：的互相转化：if 可以引导表示条件的状语从句可以引导表示条件的状语从句, 意思是意思是“如果如果”。我们经常会见到一些关于它的。我们经常会见到一些关于它的同义句转换考题。具体情形是这样的同义句转换考题。具体情形是这样的: 祈使句祈使句+and+简单句简单句= If +肯定意义从句肯定意义从句 祈使句祈使句+or+简单句简单句= If +否定意义从句否定意义从句 例如：例如：1. 努力学习，你会通过考试的。努力学习，你会通过考试的。Work hard and you will pass the exam. = If you work hard, you will pass the exam. 2. 快点，否则你会迟到的。快点，否则你会迟到的。Hurry up, or youll be late. = If you dont hurry up, you will be late. 【运用】请完成下列同义句转换【运用】请完成下列同义句转换, 每每空一词。空一词。1. Take more exercise and you will be healthier than before. _ _ take more exercise, you will be healthier than before.If you2. If you dont get up early, you wont catch the bus. Get up early, _ you wont catch the bus. or 1Complete the sentences with the correct form of the words.1. If you _ (want) to listen to music, _ (choose) a CD.2. If you _ (buy) a new camera, _ (get) a good one.wantchoosebuyget3. If the light _ (not come) on, _ (wait) for one minute.4. If you _ (want) to keep the picture, _ (save) it on your computer. doesnt comewaitwantsave5. If it _ (not work), _ (wait) a minute and then _ (try) again.6. If you _ (need) to send an email, _ (use) my computer.doesnt workwaittryneeduse7. If you _ (not know) how to use the camera, _ (read) the instructions.8. If you _ (not like) the programme, _ (turn) the TV off.dont knowreaddont liketurnWrite instructions.1. record / press / red buttonIf you want to record the music, press the red button.22. send / a text message/use /a mobile phone3. like/the pictures/ save /on the computer If you like the picture, save them on the computer.If you want to send a text message, use a mobile phone.4. find out /how it works/read /the instructions 5. see/the photos/look on/the websiteIf you want to see the photos, look on the website.If you want to find out how it works, read the instructions.3Read the example and practise the conversations with your partner.e.g. what do you do if want/to turn on recorder? press the blue button- What do you do if you want to turn on the recorder?- I press the blue button.Complete the passage with the correct form of the words in the box.button choose copy connect instruction light play back memory symbol turn on4Getting to know your CD recorderFollow these simple (1)_ for the best results. First, press the blue (2)_ to (3)_ the recorder. When youre ready to record, press the red key. The (4)_ comes on to show you that its recording. introductionsbuttonturn onlightIf you want to (5)_, press the green key. The recorder has only a small (6)_. To (7)_ your recording, (8) _ the recorder to your computer. (9) _ the “copy” (10) _ and save the recording on the computer.play backmemorycopyconnectChoosesymbolListen and check the true sentences.1) The woman knows which mobile phone she wants.2) The woman only wants to make calls.3) All mobile phones can send text messages. 54) The price of the mobile phones are different.5) The woman isnt interested in a camera phone.6) The man shows the woman a phone that can save music.1. How can you send a postcard from your mobile phone?2. What will Mobycard do with your photo?Send a photo and a message to Mobycard.It will print the photo.3. What will Mobycard do with your message?4. What will your friend receive?It will put the message on the back of the picture.They will receive a postcard.An internet caf阅读阅读Around the world部分部分, 补全下面补全下面短文中所缺信息短文中所缺信息, 每空一词。每空一词。In an Internet caf, there are tables, chairs and computers connected to the (1)_. If you are travelling on(2)_ or on holiday, you can go toInternetbusinessthe Internet caf to send a (3) _, get information about (4)_ and transport, or ask your parents to send you more money. The (5) _ computer-and-coffee shop opened in London in (6)hotelsreportfirst_ . Now there are Internet cafs all over the world. So you can go to an Internet caf wherever you are. You can have a cup of (7) _ there and send a (8) _ home.message1994coffeeExercisesI. 请根据句意选择适当的词语填空。请根据句意选择适当的词语填空。listen to music, mobile phone, print, read the instructions, play computer games1. If you dont know how to use the digital camera, _.read the instructions2. If you want to make a phone call, you can use my _.3. If you want to _, turn on the computer and press “play”.4. If you want to _, choose a CD and start to listen to it.5. If you want to keep the pictures, _ them on paper.printplay computer gameslisten to musicmobile phoneII. 请根据各题后括号内的要求完成下请根据各题后括号内的要求完成下列句子，每空一词。列句子，每空一词。1. May I borrow your camera, please? (改为同义句改为同义句)Could you _ _ your camera?2. He doesnt know how he can get to the nearest bookshop. (同上同上)He doesnt know how _ _ to the nearest bookshop.lend meto get3. Work harder and you will get higher marks. (同上同上) _ _ work harder, you will get higher marks.4. You should wait for 30 seconds if there is no red light. (对划线部分提问对划线部分提问) _ should I _ if there is no red light?If youWhatdo 5. You can send your recording to your friend by email. (对划线部对划线部分提问分提问) _ _ I send my recording to my friend?How can. 请将下列汉语句子翻译成英语。请将下列汉语句子翻译成英语。 1. 如果你想发电子邮件如果你想发电子邮件, 用我的电脑。用我的电脑。_ _ 2. 要是你不喜欢这部手机要是你不喜欢这部手机, 给我发信息。给我发信息。_ _If you want to send emails, use my computer.Send me a message if you dont like this mobile phone.3. 把数码相机连接到你的电脑上。把数码相机连接到你的电脑上。 _ _4. 如果你不知道答案，就问我吧。如果你不知道答案，就问我吧。 _ _5. 你要是累了，就休息一会。你要是累了，就休息一会。 _Take a rest if you are tired.Connect the digital camera to your computer.If you dont know the answer, ask me. Work in groups. Write instructions for how to do one of the following. making and sending an e-mail/ finding out about new information/ using a mobile phone Plan and write your instructions. Decide what order to put them in, then write your sentences. Draw pictures to make the instructions easy to follow if possible.
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