2020年牛津深圳版英语七年级下册Unit 6知识点总结讲解课件.pptx(课件中不含音视频素材)

1、Unit 6Electricity1.Words And Phrases2.Key Points3.Sentences4.Speaking5.Grammar6.Electricity Safety Tips7.HomeworkWordsWords：nounsnouns电谈话规则任何人电线电缆瞬间，片刻电池 electricity electricity conversation conversation rule rule anyone anyone wire wire cable cable moment moment battery batteryWordsWords：nounsnouns

2、厨灶，炉具冰箱电灯泡 cooker cooker fridge fridge bulb bulbWordsWords：verbsverbs确认，认出回答连接锁上测试使整洁，使整齐触摸，碰 identify identify reply reply connect connect lock lock test test tidy tidy touch touchPhrasesPhrases一袋在某种程度上连接到发电站洗衣机关整理好空调 a packet of a packet of in a way in a way be connected to be connected to power s

3、tation power station washing machine washing machine switch off switch off tidy up tidy up air conditionerair conditionerKey points1、Does anyoneanyone want anythinganything?anyone/anything 某人/某物 不定代词 我什么都不需要。I dont need anything.你认识我们班的人吗？Do you know anyone in our class?Conclusion:We use them in _ a

4、nd _.questionsNegative sentences2、Can you give me a packet of electricityelectricity?uncountable 电，电流 我们用电运行机器。We use electricity to run machines.我家的炉子不用电。My cooker doesnt need electricity.3、Can you give me a packet of electricityelectricity?a packet of 一包 一袋米 a packet of rice 一包玩具 a packet of toys.

5、4.The chemicals inside batteriesbatteries produce electricity.Countable 电池 我的玩具车需要一块新电池。My toy car needs a new battery.Sentences1.She cant by electricity in in packets packets like sweets.in packets:包好的。Like sweets 像糖果那样的CCQ:What is in packets?What is like sweets?Are the prep groups before or after

6、the nouns?1.She cant by electricity in in packets packets like sweets.Conclusion:介词短语修饰名词放在名词的_(前，后）小孩子们过年的时候总会得到红包。Children always get money in red packets on Spring Festival.2、It flows through wires.through wires.Its like water,in a way.in a way.through wires 流过电线 through vs crossThe horse ran thr

7、ough the wood and cross the road.Conclusion:through 从物体_ 穿过，cross 从_穿过。2、It flows through wires.through wires.Its like water,in a way.in a way.In a way.某种程度上 in the way on the way to by the way 3、These are connected to are connected to cables under the street.be connected tobe connected to 与与连接连接你的手

8、机可以通过蓝牙与电脑连接。Your mobile phone can be connected to computers by Bluetooth.4、Shell look foolish.look foolish.看上去很傻 Is foolish a noun or an adjective？Can we use be instead of look?Is look here a linking verb or an action verb?5、You mustnt say that!mustnt 禁止 cant 冬天禁止在湖里游泳 You mustnt swim in the lake i

9、n winter.You cant swim in the lake in winter.6、There are different ways of ways of producing electricity.producing electricity.ways of producing electricity.ways of producing electricity.生产电的方法(方式）。of prep.名词所有格 prep.+n/doing 6、There are different ways of ways of producing electricity.producing elec

10、tricity.跳舞的方法Ways of dancing.做饭的方法Ways of cooking.娱乐的方法Ways of having fun.Speakingbad:bad:gentle:gentle:beautiful:beautiful:hardly:hardly:单音节单音节-badbad双音节双音节-gentle-gentle三音节三音节-beautifulbeautiful双音节双音节-hardly-hardlyExercise:Exercise:ElectricityElectricityInternational International PronunciationPro

11、nunciationGeographyGeographyPhotographerPhotographerChemicalChemicalExercise:Exercise:E E leclec tritri cici tytyInIn terter nana tiotio nal nal ProPro nunnun cici a a tion tionGeGe o o gragra phyphyPhoPho toto gragra pherpherCheChe mimi calcal5 55 55 54 44 43 3Exercise:Exercise:1.1.Newspaper Newspa

12、per 2.2.HearHear3.3.AbleAble4.4.AnyoneAnyone5.5.CandleCandle6.6.DangerousDangerous7.7.BatteryBattery8.8.American American 3 31 12 23 32 23 33 34 4Grammar情态动词：情态动词：can,may,mustcan,may,mustCan Can 1.1.We We can usecan use electricity to do electricity to do many things.many things.2.2.We We cannot/can

13、t seecannot/cant see electricity.electricity.3.3.-CanCan you you thinkthink of an example?of an example?-Yes,I -Yes,I cancan./No,I./No,I cannot/cant.cannot/cant.观察观察Conclusion:Conclusion:1.1.情态动词情态动词can+can+动词原形动词原形2.2.疑问句疑问句Can?Can?否定形式否定形式cant/cannotcant/cannot3.3.Can Can 表示有能力做某事，表示有能力做某事，“会会”E.g

14、.E.g.CanCan you speak French?No,I you speak French?No,I cantcant speak French,but I speak French,but I cancan speak speak English.English.Can Can 表示有能力做某事，表示有能力做某事，“会会”May May 1.1.May/CanMay/Can I use your mobile phone?I use your mobile phone?2.2.Yes,you Yes,you may/canmay/can.No,you.No,you may may

15、not/cantnot/cant.3.3.You You may/can turn may/can turn on the TV.on the TV.Conclusion:Conclusion:1.1.情态动词情态动词may+may+动词原形动词原形2.2.疑问句疑问句May?May?否定形式否定形式 may not.may not.3.3.情态动词情态动词may may 表示表示请求、允许请求、允许。在非正。在非正式场合，式场合，can can 也有此功能。也有此功能。观察观察MustMust1.1.You You mustmust always always bebe careful wi

16、th careful with electricity.electricity.2.2.You You must not/mustnt domust not/mustnt do that,that,Benny!Benny!3.3.Must I turn off the TV now?Must I turn off the TV now?Yes,you Yes,you mustmust.No,you.No,you needntneednt.Conclusion:Conclusion:1.1.情态动词情态动词must+must+动词原形动词原形2.2.疑问句疑问句Must?Must?否定形式否定形

17、式 must must not/not/needntneednt.3.3.情态动词情态动词mustmust表示表示必须必须。观察观察Electricity safety tipsElectricity safety tipsElectricity makes our lives easier.We use a lot of electrical appliances in our homes every day.Here are three of them.How can we use them safely?Rice cookerRice cookerKeep the outside of

18、the pot dry.Do not switch the rice cooker on if the pot is empty.Washing machineWashing machineDo not put your hand in the washing machine when it is on.Unplug it when you are not using it.Microwave Microwave Do not turn it on when it is empty,because it might start a fire.Stand at least one metre a

19、way from the microwave when it is on.Before you put an object in a microwave,make sure it is microwave safe.Rice cooker:Rice cooker:You(1)must keep the outside of the pot dry.You(2)_if the pot is empty.Washing machine:Washing machine:You(3)_ when it is on.You(4)_ when you are not using it.mustnt swi

20、tch the rice cooker onmustnt put your hand in the washing machinemust unplug the washing machineMicrowave:Microwave:You(5)_ when it is empty.You(6)_ when it is on.You(7)_ in a microwave.mustnt turn the microwave onmust stand at least one metre away from the microwavemust only put“microwave safe”obje

21、ctsElectrical appliances Air conditioner空调Electric fan电扇Kettle电水壶Fridge冰箱Light电灯Computer电脑Washing machine洗衣机Rice cooker电饭锅Television电视机Microwave微波炉We must:1.close the windows when the air conditioner in on;Home rules:We must not:1.put the newspapers near the heater;We must remember to take the keys when we go out.We must not touch the TV with wet hands.Before we go out,When our hands are wet,Exercise:We must switch off the electricity when we change the bulb.We must lock the door when we go to bed.We must tidy up when we go out.We must test the water when we take a bath.Homework