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 引導的條件狀語從句引導的條件狀語從句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 引導的條件狀語從句的基本用法引導的條件狀語從句的基本用法:主句主句從句從句一般將來時一般將來時一般現(xiàn)在時一般現(xiàn)在時祈使句祈使句一般現(xiàn)在時一般現(xiàn)在時含情態(tài)動詞含情態(tài)動詞一般現(xiàn)在時一般現(xiàn)在時 條件狀語從句和條件狀語從句和“祈使句祈使句 + and / or + 簡簡單句單句”的互相轉(zhuǎn)化：的互相轉(zhuǎn)化：if 可以引導表示條件的狀語從句可以引導表示條件的狀語從句, 意思是意思是“如果如果”。我們經(jīng)常會見到一些關(guān)于它的。我們經(jīng)常會見到一些關(guān)于它的同義句轉(zhuǎn)換考題。具體情形是這樣的同義句轉(zhuǎn)換考題。具體情形是這樣的: 祈使句祈使句+and+簡單句簡單句= If +肯定意義從句肯定意義從句 祈使句祈使句+or+簡單句簡單句= If +否定意義從句否定意義從句 例如：例如：1. 努力學習，你會通過考試的。努力學習，你會通過考試的。Work hard and you will pass the exam. = If you work hard, you will pass the exam. 2. 快點，否則你會遲到的?？禳c，否則你會遲到的。Hurry up, or youll be late. = If you dont hurry up, you will be late. 【運用】請完成下列同義句轉(zhuǎn)換【運用】請完成下列同義句轉(zhuǎn)換, 每每空一詞?？找辉~。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閱讀閱讀Around the world部分部分, 補全下面補全下面短文中所缺信息短文中所缺信息, 每空一詞。每空一詞。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. 請根據(jù)句意選擇適當?shù)脑~語填空。請根據(jù)句意選擇適當?shù)脑~語填空。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. 請根據(jù)各題后括號內(nèi)的要求完成下請根據(jù)各題后括號內(nèi)的要求完成下列句子，每空一詞。列句子，每空一詞。1. May I borrow your camera, please? (改為同義句改為同義句)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. (對劃線部分提問對劃線部分提問) _ should I _ if there is no red light?If youWhatdo 5. You can send your recording to your friend by email. (對劃線部對劃線部分提問分提問) _ _ I send my recording to my friend?How can. 請將下列漢語句子翻譯成英語。請將下列漢語句子翻譯成英語。 1. 如果你想發(fā)電子郵件如果你想發(fā)電子郵件, 用我的電腦。用我的電腦。_ _ 2. 要是你不喜歡這部手機要是你不喜歡這部手機, 給我發(fā)信息。給我發(fā)信息。_ _If you want to send emails, use my computer.Send me a message if you dont like this mobile phone.3. 把數(shù)碼相機連接到你的電腦上。把數(shù)碼相機連接到你的電腦上。 _ _4. 如果你不知道答案，就問我吧。如果你不知道答案，就問我吧。 _ _5. 你要是累了，就休息一會。你要是累了，就休息一會。 _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.