牛津深圳版英語(yǔ)七下Chapter 5 Electricity課件之二

C H A P T E RFIVE6-1Can you get me a packet of electricity,please?We use can and cannot(cant)to say we are able or not ableto do things.I can count.You cannot spell.Can they dance?Yes,he can./No,she cant.When we use modal verbs,for example,can and cannot with other verbs,the verbs following the modal verbs do not change their form.6-26-3A Read what Hi and Lo say about themselves.Then say if the statements below are T(True)or F(False).I can swim,dance,play football and speak two languages.I cant cook,play the guitar or ride a bicycle.I can fly,dance,play chess and speak ten languages.I cant type,paint pictures or drive a car.6-41Hi can play football.T/F2Lo cannot paint pictures.T/F3Hi can speak more languages than Lo.T/F4Hi and Lo can both dance.T/F5Lo can drive a car,but he cannot play chess.T/F6Hi can swim,but he cannot play the guitar.T/F7Lo can fly and type.T/F6-5B Look at the pictures.Ask questions and giveanswers about them.Use the words in the box to help you.subtractspelladdmultiplyS1 _ Kitty _?S2 _6-6S1 _ Kitty _?S2 _S1 _ Derek _?S2 _S1 _ Kitty _?S2 _5-1May I have my packet of electricity,please?Yes,you may.We use may and may not to askfor and give permission.We also use can and cannot(cant)forthe same purpose.You/He/She may/can sit down.You/He/She may not/cannot leave.May/Can they come in?Yes,they may/can.No,they may not/cant.5-2A Benny meets his sister in the park and walks homewith her.He is very polite.What is he asking her?Make questions for Benny.Use May or Can and the words in the box.5-3borrow your new bicyclecarry your bag for youget you a chairopen the doorswitch on the TVMay/Can I carry your bag for you?May/Can I open the door?5-4borrow your new bicyclecarry your bag for youget you a chairopen the doorswitch on the TVMay/Can I get you a chair?May/Can I switch on the TV?May/Can I borrow your bicycle?5-5B Ask proper questions according to the givensituations,using May or Can.1If you stand up and the teacher has forgotten to tell you to sit down,what can you say?2If it is very hot in the classroom,what can you say?3If you find it very difficult to breathe because the room is too stuffy,what can you say?4If it is raining outside,what can you say?5If you want to go to the toilet,what can you say?May I sit down,please?May I turn on the fan,please?May I open the windows,please?May I close the windows,please?May I go to the toilet,please?/May I be excused,please?10-1You must always be careful with electricity.We use must and must not(mustnt)to tell people whatto do or what not to do.I/You/He/She must turn it on.You must not switch it off.Must they leave?Yes,they must./No,they neednt.10-2A We often use signs as well as words to tellpeople what to do or what not to do.Work in pairs to explain these signs.S1 says the sentences to S2.S2 gives the letters of the signs.10-310-41You must turn left.2You must be careful.3You must not smoke.4You must pay ten yuan.5You must not cycle.6You must not turn right.7You must not make a noise.8You must not enter.hedgacbf10-5B Mimi works for a newspaper.She answers lettersfrom readers with problems.Read these two letters and answer them using must or must not and words in the box.make friends with more peopleeat so many sweetsdo more exercisespend so muchstay up so lateeat so muchwork hardereat more10-6Dear HopefulYou _Mimi must not eat so much.If you do not want to feel tired,you must not stay up so late.You must work harder to get higher marks at school.If you have toothache,you must not eat so many sweets.10-7Dear HopefulYou _Mimi must not eat so much.You must work harder but must not stay up so late.You must not eat so many sweets.10-8Dear WorriedYou _Mimi must eat more and do more exercise if you think you are too thin.You must not spend so much if you are always short of money.You must do more exercise to make your body stronger,and if you make friends with more people,you will not feel lonely.10-9Dear WorriedYou _Mimi must eat more and do more exercise.You must also make friends with more people and must not spend too much.C Work in pairs.Write to your partner about two of your problems.Then read your partners problems and write a letter telling him or her what to do.Follow the examples below.10-10Dear HelenMy problems are that I can never sleepat night and I have bad skin.Can youhelp me?DesperateDear DesperateYou must not drink coffee or tea in the evening if you want to sleep well.You must wash your face several times each day and use the right face cream if you want to have clear skin.Helen說(shuō)說(shuō) 明明本套教材根據(jù)牛津英語(yǔ)教材English First!，On Target!和Oxford English，由上海市中小學(xué)（幼兒園）課程改革委員會(huì)和牛津大學(xué)出版社（中國(guó)）有限公司合作改編。為了使教材更適合深圳學(xué)生的實(shí)際情況，又由深圳市科學(xué)研究院對(duì)現(xiàn)行英語(yǔ)教材（牛津上海版）進(jìn)行適當(dāng)改編。本冊(cè)教材供七年級(jí)第二學(xué)期試用。本套教材改編顧問(wèn)：張民倫原教材改編者：沃振華 李紹賢 朱維庭 施安吉 施志紅 楊順德本版教材改編者：尚 強(qiáng) 安鳳岐課件制作：盧 璐