牛津深圳版七年级英语下Unit6 Electricity课件（共70张PPT）

课件70张PPT。Unit 6 Electricity
Reading Period 1ReviewWords and expressionsWarm-upelectricity
conversation
identify
rule
anyone
reply
foolish Words and expressionsn. 电
n. 谈话
v. 确认
n. 规则
pron. 任何人
v. 回答
adj. 愚蠢的学.科.网Presentationwire
connect
cable
moment
battery
cookerWords and expressionsn. 电线
v. 使连接
n. 电缆
n. 瞬间；片刻
n. 电池
n. 厨灶；炉具PresentationFocus onKey words and useful expressions:electricity reply foolish connect
moment battery a packet of
in a way
be connected to
power station
a moment later一袋
在某种程度上
连接到
发电站
过了一会PresentationReadingA. What do you know about? There are different ways of producing
electricity. Write the correct words in the
blanks.solar power water power wind powerPresentationwater powersolar powerwind power学.科.网PresentationLook at the photos and the title of the
story on page 73. Then answer the
questions below.
What did the girl buy?
__________________________________
2. What do you think the story may be about? Tick ( )the possible answers.
a. Where electricity comes from.
b. What electricity is like.
c. What we use electricity for.
d. How we can use electricity safely.√B. Before you read The girl bought sweets and batteries.PresentationThe words in italics are from the story on page 73. Circle the correct answers to complete these sentences. 1. If you reply to a question, you ___ it.
a. ask b. answer
2. A foolish person usually does ___ things.
a. harmful b. sillyVocabularyPracticeC 13. When my computer is connected to the Internet, the Internet ___ my computers and the other computers in the world together.
a. joins b. carries
4. If you ask someone to wait for a moment, you’ll come back in ____.
a. a long time b. a short time
5. Batteries provide toy cars with _____.
a. electricity b. heatPresentationComplete the passage below with the words from the box.Electricity is like water, __________. It
flows from the ____________ to our homes.
The lights, TVs and computers in our
homes are ____________ the power stationC2anyone connected to in a way power station wires in a waypower stationconnected toPresentationthrough ______.Electricity is very important to us. We need it at home, at work and in schools. Could________ live in a world without electricity?wiresanyonePresentationD1. Find these sentences in the story on page 73. Then write the name of the person or thing that each pronoun in italics refers to.
I’m going to buy a packets of sweets.
(lines 1-2) __________ComprehensionDaisyExercises2. Can you get me a packet of electricity? (lines 4-5) __________
3. She’ll look foolish. (line 8) _______
4. It’s like water, in a way. (lines 11-12)
________
5. They’re connected to a power station.
(line 16) ______BennyDaisyelectricitywiresExercisesD2. The pictures below shows electricity
gets to Benny’s flat. Fill in theb lanks with the correct words from the box.cable power station wirepower station_______________________________cable wirePresentationLanguage points 学.科.网2) a packet of 一包，一捆
I help my mother buy a packet of salt.
我帮我妈妈买了一袋盐。
He gave me a packet of tea.
他给了我一包茶叶。
My mother give me a packet of biscuits.
妈妈给了我一包饼干。Presentation2. These are connected to cables under the
street.
be connected to 连接到
The computer is connected to the printer by a wire.
这台电脑通过一个线和打印机相连。
This railway connects London and Edinburgh. 这条铁路连接伦敦与爱丁堡。 Presentation3. She’ll look foolish.
foolish 愚蠢的，笨的
He was sad for making such a foolish
mistake.
因为犯了一个很愚蠢的错，他感到
很难过。学.科.网Presentation4. It flow through wires.
flow 流动，流通
The melted snow flowed from the mountain to the nearest river.
融化的冰雪从山上流向了最近的河流
里。Presentation5. in a way 在某种程度上
I agree with him in a way. Some of
his points are right.
在某种程度上我赞同他。他的有些
观点还是正确的。
The work is well done in a way.
从某种程度上说, 这工作做得不错。 Presentation— Can you tell me what electricity is
like?
— Surely, electricity is like water
______. It flows through a wire.
A. by the way B. on the way
C. in the way D. in a wayI. 单项选择.Exercises2. — What did you buy in the
supermarket that day?
— I bought nothing but some _____.
A. battery B. pieces of battery
C. electricity D. batteriesExercisesII. 翻译下列短语。
1. 一包 ____________
2. 打算，将要 ____________
3. 连接上 ________________
4. 看起来愚蠢 _____________
5. 进入 __________
6. 在某种程度上 __________
7. 走出去 ________a packet ofbe going tobe connected to look foolishcome intoin a waygo outExercisesListening and speaking学.科.网Period 2Objectives1. To listen to the conversation between
Benny’s father and mother
2. To learn to catch the detailed
information when you listen学.科.网PresentationRead the chart(表格) first. The pictures usually tell you the kinds of things to listen to.
Listen carefully the words after but. They usually introduce a different idea.
Write down the relevant (相关的) information quickly.When you listen to people talking , you need to catch the important words and pay attention to the follows:Top tipPresentation√√√√√√学.科.网Presentationobjectives To learn about syllables
To talk about safety at home学.科.网Talk timeSyllablesEnglish words are made up of different parts. These parts are called syllables. All words have one or more syllables, e.g.学.科.网PresentationSay these words. Then write the number of syllables in brackets. newspaper ( ) 5. candle ( )
2. hear ( ) 6. dangerous ( )
3. able ( ) 7. battery ( )
4. anyone ( ) 8. American ( )A232232334学.科.网PresentationJohnny’s father is talking to Johnny about safety at home. Work in pairs. S1 is Johnny. S2 is Dad. Follow the example.cover the meat
lock the door
switch off the electricity
test the water
tidy upPresentationS1: May I change the bulb?
S2: No, you may not. You must switch off
the electricity. Then you may change
the bulb.学.科.网PracticePresentation S1: May I put the meat in the fridge?
S2: No. you may not. You must cover
the meat. Then you may put the
meat in the fridge.
2. S1: May I go to bed?
S2: No, you may not. You must lock the
door. Then you may go to bed.学.科.网Presentation3. S1: May I take a bath now?
S2: No. you may not. You must test the
water. Then you may take a bath.
4. S1: May I go out now?
S2: No, you may not. You must tidy up
the toys. Then you may go out now.PresentationGrammar学.科.网Period 3 To learn about the modal verbs can, may and must.objectivesPresentation本课呈现语法点：We can use electricity to do many things.
We cannot/can’t see electricity.
Can you think of an example?
Yes, I can./ No, I cannot/can’t.
May/Can I use your mobile phone?
Yes, you may/can.
No, you may not/can’t.PresentationYou may/can turn on the TV.
You may not/cannot play in the kitchen.
You must not/mustn’t do that, Benny.
We must always be careful with electricity.
They must not/mustn’t play near the heater.学.科.网PresentationModal verbsA Can and cannotWe use can and cannot (can’t) to say we are able or not able to do things.We can use electricity to do many things.
We cannot/can’t see electricity.
Can you think of an example?
Yes, I can./No, I cannot/can’t.Presentation情态动词有一定的意义，但无人称和数的变化，和不带to的动词不定式一起构成谓语，表示说话人的语气和情态。其否定式的构成是在后面加not。PresentationCan
①表示能力(体力, 知识, 技能), 常用
情态 动词can表达。
Can you lift this heavy box? (体力)
Mary can speak three languages. (知识)
Can you skate? (技能)
此时可用be able to代替。can只有一般
现在时和一般过去式; 而be able to 则有
更多的时态。 Presentation如：I’ll not be able to come this afternoon. (一般将来时)当表示“经过努力才得以做成功某事”时用be able to, 不能用can。如： He was able to go to the party yesterday evening in spite of the heavy rain. 学.科.网Presentation②表示请求和允许。如：
—Can I go now?
—Yes, you can. / No, you can’t.
③表示客观可能性(客观原因形成的
能力)。 如：
They’ve changed the timetable, so we can go by bus instead.
This hall can hold 500 people at least. Presentation④表示推测 (惊讶、怀疑、不相信的态
度) ，用于疑问句、否定句和感叹句
中。
Can this be true?
This can’t be done by him.
How can this be true? PresentationA1 Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with can or cannot. Presentation1. Hi _____ play football.
2. Lo ______ paint pictures.
3. Hi ________ speak as more languages as Lo.
4. Both Hi and Lo _____ dance.
5. Lo _______ drive a car, but he ____ play
chess.
6. Hi ____ swim, but he _______ play the
guitar.cancannotcannotcancannotcancancannotPresentationB May and may notWe use may and may not to ask for and give permission. In less formal situations, some people like to use can and cannot for the same purpose.May/Can I use your mobile phone?
Yes, you may/can. No, you may not/can’t.
You may/can turn on the TV.
You may not/cannot play in the kitchen.学.科.网Presentation 2. may, may not
表示请求和允许。否定回答时可用can’t 或mustn’t，表示“不可以，禁止”。如：
—Might / May I smoke in this room? —No, you mustn’t.
—May / Might I take this book out of the
room? —Yes, you may/can. (No, you can’t
/mustn’t. )
用May I ...？征徇对方许可时比较正式的
客气，而用Can I ...？在口语中更常见。PresentationDaisy is not feeling well today. Benny is at home with her. Read their conversation below. Fill in the blanks with may or can.Benny: How are you feeling, Daisy?
Daisy: Not very well.
Benny: ______ I get you a chair?
Daisy: Yes, thanks.
Benny: I’m going out.______ I borrow
your bicycle, Daisy?MayMayexercisesDaisy: Yes, you may. Before you go to meet
your friends, can you come and see
the doctor with me?
Benny: Yes, I _______. _______ I carry
your bag for you?
Daisy: Yes, that’s very kind of you, Benny.
I’m ready to go. _____ you open the
door for me?
Benny: Yes, I can.
Daisy: Thanks.CanCanMayexercisesWe use must and must not (mustn’t) to tell people what to do or what not to do.C Must and must notYou must not/mustn’t do that, Benny!
We must always be careful with electricity.
They must not/mustn’t play near the heater.Presentation 3. must, mustn’t
表示命令、禁止、不得不。如： You must come in time.
在回答引出的问句时, 如果是否定的,
不能用mustn’t (禁止, 不准)，而用
needn’t, don’t have to (不必)。
—Must we hand in our exercise books
today? —Yes, you must. —No, you don’t have to / you needn’t. PresentationC2 Daisy saw a doctor. The doctor told her
what to do and what not to do. Help
her write down the doctor’s
instructions.drink more water go to bed early
eat cold food share cups with others
go out alone take the medicine on timePresentation选用 can, may, must, can’t 或 mustn’t 填
空， 每词限用一次。1. You _______ cross the road when the
traffic lights turn red.
2. — ___ you sing a Chinese song for us,
Lucy?
— Sorry, I can’t.
3. — ____ I use your pen, Li Ming?
— Yes, of course.
4. — Is that man your English teacher?
— He ____ be our English teacher. He
has gone to Beijing.
5. We _____ be home by six.mustn’tCanMaycan’tmustExercises1. 你必须马上回家。
You must go home now.
2. 他一定吃过什么东西了。
He must have eaten something.
3. 吃饭之前不能吃零食。
You mustn’t eat snacks before meals.II. 汉译英。Exercises4. 我可以问你的名字吗？
May I ask your name?
5. 你能用英语说吗？
Can you speak in English?
6. 我们应该准时去上学。
We should go to school on time.
7. 你没有必要那么做。
You needn’t do that.ExercisesWritingPeriod 4Where do we have rules:in the parkin the classroomat homeon the road学.科.网Presentation Johnny’s father is asking Johnny to
make some rules for the family to
follow. In pairs, help Johnny make
four rules.close/windows/when/air conditioner/on
put/newspapers/near/heater
remember to make/keys/when/go out
touch/TV/wet handsHome rulesPresentation Home rules
We must:
_________________________________
__________________________________
2. _________________________________
We mustn’t
__________________________
2. _________________________________close windows when air conditioner
is on.remember to take keys when go output newspapers near heatertouch TV wet hands学.科.网Practice 写作目标：
俗话说得好，“国有国法，家有家规。”假设下面是你家的家规，请你写一篇不少于70词的作文。介绍一下你的家规。1.必须按时吃饭；晚上十点前睡觉；
2.不能吃任何种类的快餐；
3.每天早上与父母跑步至少30分钟
(雨天除外)；
4.只能周末玩1个小时电脑游戏；
5.帮着做家务；
6.打电话不能超过5分钟。Practice There are many family rules in my family. First,
I must have dinner on time and have to go to bed before 10 o’clock at night. Second, I mustn’t eat
any kinds of fast food. Third, I must run for at least
half an hour with my parents every morning
unless it rains. Fourth, I can play computer games
for an hour only on the weekend. Fifth, I should
help do housework and the last one, I can’t talk on the phone for more than five minutes.Presentation
can’t put your hand in the washing machinemust unplug itcan’t turn itmust stand one metre away from the microwavemust put an object can’t switch the rich cooker on