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(PPT46张)
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2020-2021学年牛津深圳版英语七年级下册Unit 6 Electricity 知识点梳理课件
learn it every weekend.
—He is a hard-working boy.
A．mustn’t
B．may not
C．can’t
D．needn’t
II.根据句意，用 can, can’t, may, may not, must, mustn’t, needn’t
完成句子或对话。
Protecting natural resources means protecting our Earth. Let’s protect natural resources together.
六、语法归纳 情态动词的用法
情态动词本身有一定的词义，但也同助动词一样，需要与其 他词一起构成句子的谓语，另外情态动词没有人称和数的变化， 情态动词后必须跟动词原形。
Unit 6 Electricity
【单元知识点归纳】 一、重点单词 1．conversation：talk 谈话 n. 2．electricity 电 n. （electric adj.电的，用电的，发电的；electrical
adj. 有关电的，用电的。electrical 常与 equipment，appliance 等搭配）
5．The chemicals inside batteries produce electricity. 电池里的化学物质生产电。
6．Electricity makes our lives easier. 电让我们的生活变得更容易。
7．What do you know about electricity? How can we use them safely? 关于电你知道什么? 我们能怎么去安全地使用它们呢？
6．reply to：answer 回答 7．power station：a place to produce electricity 发电站 8．flow through：to move in one direction 流动 9．a moment later：after a while 一会儿以后 10．tidy up：make sth. neat and tidy 整理好
新牛津译林版七年级英语下册Unit6精品课件(共46张PPT)
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball. With eyes open wide, 押韵
My
“All” rhymes with “ball”.
He hunts when I hide.
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball. With eyes open wide, 押韵
My
“All” rhymes with “ball”.
He hunts when I hide.
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball. With eyes open wide, 押韵
My
“All” rhymes with “ball”.
He hunts when I hide.
Dog
He does wonderful tricks,
Builds me camps out of sticks. He’d never bark or bite. And he doesn’t like to fight. My dog is my very best friend.
And I’ll look after him until the end.
My
He hunts when I hide.
Dog
He does wonderful tricks,
牛津译林英语(深圳沈阳)版七年级下册Unit6-Electricity-重点词汇短语句型讲解课件
e.g.: What do you know about electricity, Sunny? 【拓展】 e.g.: Electrical noise isn’t always bad. e.g.: My mother bought me a new electronic product.
electrical : _a_d . 有___关__电的____;
e.g.: The keyboard was connected to my computer.
【考题链接】
请打开电脑并连接因特网。
Pl__e_ase____t_u_r_n_o__n__th__e_c__o_m__
Words
12. A moment later, Daisy came back.
moment: n.___瞬__间；___片刻_____;
e.g.: Water, in a way, is people’s most important need. e.g.: In a way, he is right. in a way 可放句首，句中，句末
【拓展】
in many ways
在___很多___方__面
in some ways
___;
on one’s/the way to ...在___去…在_一__些的方___路_面__上
Words
4. Talk about safety rules at home.
rule: n.__规__则____;(可数名词) e.g.: Everyone must obey the rules.
【拓展】 obey the rule(s)
遵守规则 __ __ __ _____;
break the rule(s) 违__反__规__则_____;
electrical : _a_d . 有___关__电的____;
e.g.: The keyboard was connected to my computer.
【考题链接】
请打开电脑并连接因特网。
Pl__e_ase____t_u_r_n_o__n__th__e_c__o_m__
Words
12. A moment later, Daisy came back.
moment: n.___瞬__间；___片刻_____;
e.g.: Water, in a way, is people’s most important need. e.g.: In a way, he is right. in a way 可放句首，句中，句末
【拓展】
in many ways
在___很多___方__面
in some ways
___;
on one’s/the way to ...在___去…在_一__些的方___路_面__上
Words
4. Talk about safety rules at home.
rule: n.__规__则____;(可数名词) e.g.: Everyone must obey the rules.
【拓展】 obey the rule(s)
遵守规则 __ __ __ _____;
break the rule(s) 违__反__规__则_____;
Unit6+reading+词汇课件 牛津深圳版英语七年级下册
Module 3 Natural elements
Unit 6 Electricity
Reading
Presentation
Look and say:
1. electricity Electricity is very important for us.
Lead in
2. wire Electricity can go into the light through wires.
____I_s____ your computer_co_n__n_e_ct_e_d_ _____to____ the Internet?
Presentation
4. cable The cables are connected to a power station.
Presentation
5. battery The chemicals inside batteries produce electricity.
(2) (be) connected to, 连接到 e.g: These appliances should not be connected to power supplies. 这些家电不应该连接到电源。
【运用】 根据汉语意思，完成句子，每空一词。 你能帮我把手机连上网吗？
Can you help me__c_o_n_n_e_c_t_ my cell phone ___t_o___ the Internet? 你的电脑连接到网络了吗？
【运用】 根据句意，用fool的适当形式填空。 5. He is a ___f_o_o_l___ but he is friendly to others. 6. He _f_o_o_l_is_h_l_y_ sat there, looking out of the window. 7. I think it is a _fo_o_l_is_h____ idea and no one will agree on it.
Unit 6 Electricity
Reading
Presentation
Look and say:
1. electricity Electricity is very important for us.
Lead in
2. wire Electricity can go into the light through wires.
____I_s____ your computer_co_n__n_e_ct_e_d_ _____to____ the Internet?
Presentation
4. cable The cables are connected to a power station.
Presentation
5. battery The chemicals inside batteries produce electricity.
(2) (be) connected to, 连接到 e.g: These appliances should not be connected to power supplies. 这些家电不应该连接到电源。
【运用】 根据汉语意思，完成句子，每空一词。 你能帮我把手机连上网吗？
Can you help me__c_o_n_n_e_c_t_ my cell phone ___t_o___ the Internet? 你的电脑连接到网络了吗？
【运用】 根据句意，用fool的适当形式填空。 5. He is a ___f_o_o_l___ but he is friendly to others. 6. He _f_o_o_l_is_h_l_y_ sat there, looking out of the window. 7. I think it is a _fo_o_l_is_h____ idea and no one will agree on it.
牛津深圳初中七年级英语下册 Unit 6 Electricity Period 1 words课件
touch v.触摸；碰
keep in touch 保持联系 touching adj.动人的 touched adj.受感动的 touchable adj. 可触的 toucher n.触摸者
n electricity 电 cooker 厨灶；炉具 conversation 谈话 fridge 冰箱
adj foolish
a packet of in a way (be) connected to power station washing machine swith off tidy up air conditioner
electricity n.电
Water, food, and electricity are hard to get. The electricity is off.
fool n.傻瓜 v.愚弄 愚蠢的：foolish; stupid; silly 聪明的：clever; smart; bright; wise
wire n.电线
The headphones
have no wires.
wired a. 连线的 wireless a.无线的
connect v.（使）连接
The wires connect under the floor. connected a.连接的 connection n.连接 be connected to 与...相连
These wires are connected to cables under the street.
cable n.电缆
electric a.电动的， 电的 electrical a.用电的；电学的 electronic a.电子的 electrify v.使充电；使通电
最新新版深圳牛津版七年级英语下Unit-6-Electricity课文知识点解析及练习
深圳牛津版七年级英语下Unit 6 Electricity课文部分知识点解析及练习一、词组归纳1. 转化,变成change into2. 戏弄某人trick sb3. 最后at last4. 看上去很傻look foolish5. 流经flow through6. 某种程度上in a way7. 被连接到电缆上be connected to cables8. 电灯泡 a light bulb9. 挠头scratch one’s head10. 不同形式的能量different forms of energy11. 发电站 a power station12. 一包 a packet of13. 成/几包的in packets14. 整理好tidy up=clean up15. 关（灯，电器等）switch off=turn off16. 开（灯，电器等）switch on=turn on17. 与某人分享某物share sth with sb18. 准时on time19. 由……组成be made up of20.为……提供……provide sth for sb=provide sb with sth21. 在乎，关心care about二、words精讲1. electricity, n.电力；电流，静电；高涨的情绪；紧张如：At night these streets are brilliant with a pearly radiance of electricity.Electric adj. 电的；电动的；electrical adj. 有关电的；电气科学的2. foolish，adj.愚蠢的；鲁莽的；荒谬的，可笑的如：He was angry with himself for having made such a foolish mistake.Fool vi. 欺骗；开玩笑；戏弄n. 傻瓜；愚人；受骗者vt. 欺骗，愚弄adj. 傻的Art dealers fool a lot of people.艺术品经销商会愚弄许多人。
深圳七年级下册unit6 electricity知识点归纳
Unit 知识要点归纳I 词性变化1 cook (n/v)做饭，厨师--- cooker (n)厨具2 safe (adj.)--- safely (adv)--- safety (n)3 fool(n)笨蛋--- foolish (adj.)愚蠢的4 electric (adj.)电的，电动的---electricity (n)电5 answer---- (同义词) reply to6 exam--- (同义词) test7 tidy --- (过去式）tidied 8 talk--- (同义词) conversation9 battery (复数)--- batteries 10 connect---(形容词)connected--- (同义词)join 11 silly--- (同义词) stupid--- (反义词）clever, bright, smart, wiseII 重点短语一包糖果/电 a packet of sweets/ electricity 一包包地in packets回答我的问题reply to / answer my questions 看起来傻傻的look foolish流过电线flow through wires 了解know/ learn about一会儿之后a moment later= after a moment 像水一样be like waterA连接到B A be connected to B 把A和B连接起来connect A to B回来come back to= return to 发电站 a power station发电produce/ make electricity 从某方面来说in a way家/班/校规home/ class/ school rules 吃药take the medicine着/起火start a fire 准备做某事be ready to do sth.收拾好，整理好tidy up 确定，确信make sure/ be sure为某人制定规章制度make some rules for sb. 至少at least关（电灯等）turn/ switch off 开（电灯等）turn/ switch on安全守则/提示safety rules/ tips 安全用电use electricity safely电饭煲a rich cooker 洗衣机a washing machine按时on time 及时in time 空调air conditioner太阳能/水能/风能solar/ water/ wind power与某人分享share sth. with sb. 片刻后a moment later锁门lock the doorIII 同义词短语can do sth.= be able to do sth. 能做某事moment= a short time 片刻，一会儿foolish= silly= stupid 愚蠢的 A is connected to B = join A to B A连接到B reply to a question= answer a question 回答问题like= such as 例如in a way = partly 在某种程度上tidy up= clean 整理，清洁produce electricity = make electricity 发电switch on = turn on 打开。
Unit6 Grammar课件 2023-2024学年牛津深圳版英语七年级下册
♣我们用may和may not 来表示 请求和给予许可 （比较礼貌，和正式）
= can and cannot (can‘t) ，但can 语气、态度比may强!
May 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.
限时阅读
00 010 0543210987654321
Hours
Minutes
Seconds
P77
Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with can or cannot（P77）
一、选择最佳答案。（2mins）
1.-Can you play tennis with me at 4:00 p.m.?
-________. Let's make it at 5:00 p.m.
A. Yes, I can B. No, I can’t C. Yes, I must D. No, I needn’t
Anna may know my phone number. 安娜可能知道我的电话号码。
注意：may构成的一般疑问句及其回答形式如下： 翻译：我可以在这里拍照吗？
May I take photos here? — (肯定回答) Yes, you may / can. — (否定回答) No, you may not / can’t /mustn’t. (注：mustn’t 的语气最强，表示禁止)
= can and cannot (can‘t) ，但can 语气、态度比may强!
May 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.
限时阅读
00 010 0543210987654321
Hours
Minutes
Seconds
P77
Hi and Lo are talking about themselves. What are they saying? Read their conversation and then complete the statements below with can or cannot（P77）
一、选择最佳答案。（2mins）
1.-Can you play tennis with me at 4:00 p.m.?
-________. Let's make it at 5:00 p.m.
A. Yes, I can B. No, I can’t C. Yes, I must D. No, I needn’t
Anna may know my phone number. 安娜可能知道我的电话号码。
注意：may构成的一般疑问句及其回答形式如下： 翻译：我可以在这里拍照吗？
May I take photos here? — (肯定回答) Yes, you may / can. — (否定回答) No, you may not / can’t /mustn’t. (注：mustn’t 的语气最强，表示禁止)
牛津译林版七年级英语下册Unit6课件(共46张PPT)
My goldfish is a wonderful pet. She doesn't need a bed. She isn’t any trouble. We don’t have to feed her much, She doesn't need a rabbit hutch, Just bubbles, Bubbles, Bubbles.
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball.
押韵
My
With eyes open wide, “All” rhymes with “ball”.
He hunts when I hide.
poems
My dog is the cleverest animal of all.
He doesn’t just chase and catch a ball.
My
With eyes open wide, He hunts when I hide.
He does wonderful tricks,
poems
My Dog
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball. With eyes open wide, He hunts when I hide. He does wonderful tricks, Builds me camps out of sticks. He’d never bark or bite. And he doesn’t like to fight. My dog is my very best friend. And I’ll look after him until the end.
Unit6 More practice【课件】七年级英语下册(牛津深圳版)
safe.
Answer the following questions.
1. How many kinds of electrical appliances does the article talk about? What are they? Three. They are rice cookers, washing machines and microwaves.
2. What must we do to use a rice cooker safely? Keep the outside of the pot dry and do not switch the rice cooker on if the pot is empty.
3. What must we not do when a washing machine is on? We must not put our hands ipare your bar charts. Then discuss the questions below. 1 Whose family spent the most on water/electricity last year? Why? 2 Whose family spent the least on water/electricity last year? Why? 3 What can we do to help our family spend less on water/ electricity?
3 课堂小结
1. We have read an article about Electricity safety tips. 2. And we have talked how to save water and electricity.
Answer the following questions.
1. How many kinds of electrical appliances does the article talk about? What are they? Three. They are rice cookers, washing machines and microwaves.
2. What must we do to use a rice cooker safely? Keep the outside of the pot dry and do not switch the rice cooker on if the pot is empty.
3. What must we not do when a washing machine is on? We must not put our hands ipare your bar charts. Then discuss the questions below. 1 Whose family spent the most on water/electricity last year? Why? 2 Whose family spent the least on water/electricity last year? Why? 3 What can we do to help our family spend less on water/ electricity?
3 课堂小结
1. We have read an article about Electricity safety tips. 2. And we have talked how to save water and electricity.
牛津英语七年级下册第六单元知识点详解.doc
牛津英语七年级下册第六单元知识点详解一、课文知识讲解1. Hobo, carry it for me.霍波，帮我拿一下。
（1）carry，动词，“搬，拿”它的第三人称单数形式为“carries”，carry sth for sb意为“为某人搬某物”Hobo often takes newspapers for me.(2)本句是一个祈使句，以动词原形开头，表示请求对方去做某事。
如果不想让对方去做，可以在句首加上don’t.如：Don’t carry it for me.2. You complain too much. The bag isn’t that heavy.你抱怨得太多了，这个包不是那么重的。
（1）complain too much“抱怨得太多”, too much用来修饰动词，表示程度，如eat too much吃的太多（2）that相当于so，翻译成“那么，那样”,是表示程度的副词The old man cannot walk that far.辨析too much和much too英语中too much与much too虽然表面上只是词序颠倒的差别，但实际上，这两个词不论在意义上还是在用法上都有所不同。
too much的意思是“太多”，much too的意思是“在很大程度上太……”。
现将它们二者的具体用法举例如下：too much 1．相当于形容词，意为“more than enough”，用在不可数名词前面作定语或在系动词后面作表语。
如：Americans eat too much meat in my opinion．依我看，美国人吃的肉太多。
I drank too much cola last nig ht．昨天晚上我可乐喝得太多了。
The work is too much for her．这工作她干不了。
She's afraid the trip will be too m uch forme．她怕我受不了旅途的劳累。
Unit6知识点课件牛津深圳版(广州沈阳通用)七年级英语下册
02
Sentence Patterns
实用作文词句训练
The wind turns the blades, creating clean electricity.
例句：（以节约用电为主题） Turning off the lights when not in use helps save electricity, reducing the demand on power plants.
rely /rɪˈlaɪ/ v.依靠，信赖 rely on 依靠 reliable (adj. 可靠的) reliance (n. 信赖) reliant (adj. 依赖的)
Climate change is a real and growing threat, and wind power is one way to prevent it. 中文翻译: 气候变化是一个真实且日益严重的威胁，而风力 发电是防止它的一种方式。
invest /ɪnˈvest/ v.投资 invest in 投资于 investment (n. 投资) investor (n. 投资者) investing (v. 投资，现在分词形式)
China still relies on coal power for electricity, which is expensive and not environmentally friendly. 中文翻译: 中国仍然依赖煤炭发电，这既昂贵又不环保。
实用作文词句训练
environmentally friendly
environment n. 环境 environmental adj. 环境的 environmentally adv. 环境地
节约用电是一种环保习惯，它减少对环境的影响。 Conserving electricity is an environmentally friendly habit that reduces the impact on the environment.
2020年牛津译林版七年级英语下册Unit6精品课件(共46张PPT)
leverest animal of all. He doesn’t just chase and catch a ball.
押韵
My
With eyes open wide, “All” rhymes with “ball”.
He hunts when I hide.
My goldfish is a wonderful pet. She doesn't need a bed. She isn’t any trouble. We don’t have to feed her much, She doesn't need a rabbit hutch, Just bubbles, Bubbles, Bubbles.
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball.
押韵
My
With eyes open wide, “All” rhymes with “ball”.
He hunts when I hide.
poems
My dog is the cleverest animal of all.
He doesn’t just chase and catch a ball.
My
With eyes open wide, He hunts when I hide.
He does wonderful tricks,
He does wonderful tricks,
Dog Builds me camps out of sticks.
He’d never bark or bite.
押韵
My
With eyes open wide, “All” rhymes with “ball”.
He hunts when I hide.
My goldfish is a wonderful pet. She doesn't need a bed. She isn’t any trouble. We don’t have to feed her much, She doesn't need a rabbit hutch, Just bubbles, Bubbles, Bubbles.
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball.
押韵
My
With eyes open wide, “All” rhymes with “ball”.
He hunts when I hide.
poems
My dog is the cleverest animal of all.
He doesn’t just chase and catch a ball.
My
With eyes open wide, He hunts when I hide.
He does wonderful tricks,
He does wonderful tricks,
Dog Builds me camps out of sticks.
He’d never bark or bite.
【最新】牛津译林版七年级英语下册Unit6精品课件(共46张PPT)
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball. With eyAll” rhymes with “ball”.
He hunts when I hide.
poems
My dog is the cleverest animal of all. He doesn’t just chase and catch a ball. With eyes open wide, 押韵
My
“All” rhymes with “ball”.
He hunts when I hide.
7B Unit6
Poems about pets
hunt
hide
fight
bite chase catch
window ledge
edge
cardboard box
A. look for something 1.empty 2.hunt B. let others not see oneself C. box for keeping small animals, like rabbits D. make a loud noise when seeing strangers(陌生人)
Dog
He does wonderful tricks,
Builds me camps out of sticks. He’d never bark or bite. And he doesn’t like to fight. My dog is my very best friend.
And I’ll look after him until the end.
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Home rules:
We must: 1.close the windows
Can 表示有能力做某事，“会”
May
观察
1. May/Can I use your mobile phone? 2. Yes, you may/can. No, you may not/can’t. 3. You may/can turn on the TV.
Conclusion: 1.情态动词may+动词原形 2.疑问句May…? 否定形式 may not. 3.情态动词may 表示请求、允许。在非正 式场合，can 也有此功能。
Negative
_s_e_n__te_n__ce__s_.
2、Can you give me a packet of electricity?
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 doesn’t need electricity.
Rice cooker •Keep the outside of the pot dry. •Do not switch the rice cooker on if the pot is empty.
Washing machine
•Do not put your hand in the washing machine when it is on. •Unplug it when you are not using it.
关 switch off 整理好 tidy up
空调 air conditioner
Key points
1、Does anyone want anything?
anyone/ anything
某人/ 某物 不定代词
我什么都不需要。
I don’t need anything.
你认识我们班的人吗？
Do you know anyone in our class ? Conclusion: We use them inq_u_e_s_t_i_o_n_sand
1. She can’t by electricity in 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.
Rice cooker: •You (1)must keep the outside of the pot dry. •You (2)_m_u_s_tn_’_t_s_w_it_c_h_t_h_e__ri_ce__c_o_o_k_e_r_o_n___if the pot is empty.
Washing machine:
2、It flows through wires. It’s like water, in a way.
through wires 流过电线 through vs cross
The horse ran through the wood and cross the road. Conclusion: through 从物体______ 穿过，cross 从_____穿过。
Conclusion: 1.情态动词must+动词原形 2.疑问句Must…? 否定形式 must not/needn’t. 3.情态动词must表示必须。
Electricity safety tips
Electricity 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?
• 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 producing electricity.
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.
Electrical 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
5、 You mustn’t say that!
mustn’t 禁止 can’t 冬天禁止在湖里游泳 You mustn’t swim in the lake in winter. You can’t swim in the lake in winter.
6、There are different ways of producing electricity.
3. -Can you think of an example?
-Yes, I can. /No, I cannot/can’t.
Conclusion: 1.情态动词can+动词原形 2.疑问句Can…? 否定形式can’t/cannot 3.Can 表示有能力做某事，“会”
E.g.
Can you speak French? No, I can’t speak French, but I can speak English.
电 谈话 规则 任何人 电线 电缆 瞬间，片刻 电池
electricity conversation rule anyone wire cable moment battery
Words： nouns
厨灶，炉具 cooker 冰箱 fridge
电灯泡 bulb
Words： verbs
确认，认出 回答 连接 锁上 测试
Microwave
•Do not turn it on when it is empty, because it might start a fire. •Stand at least one metre away from the microwave when it is on. •Before you put an object in a microwave, make sure it is microwave safe.
3、Can you give me a packet of electricity?
a packet of 一包…… 一袋米 a packet of rice 一包玩具 a packet of toys.
4. The chemicals inside batteries produce electricity.
Speaking
bad: gentle: beautiful: hardly:
单音节-bad 双音节-gentle 三音节-beautiful 双音节-hardly
Exercise:
Exercise:
Electricity
E lec tri ci ty
5
International In ter na tio nal 5
•You (3)_m_u_s_tn_’t_p_u_t_y_o_u_r _h_an_d__in_t_h_e_w_a_s_h_in_g_m__a_ch_i_ne___ when it is on. •You (4)_m__u_s_t_u_n_p_lu__g_t_h_e_w__as_h_i_n_g_m__a_c_h_in_e__ when you are not using it.
使整洁，使整齐 触摸，碰
identify reply connect lock test tidy touch
Phrases
一袋 a packet of 在某种程度上 in a way
连接到 be connected to 发电站 power station 洗衣机 washing machine
Microwave: •You (5)__m__u_st_n_’t_t_ur_n_t_h_e_m__ic_ro_w__a_ve__o_n____ when it is empty. •You (6)m__us_t _sta_n_d_a_t l_ea_st_o_n_e _m_et_re_a_w_ay_f_ro_m_t_he_m__icr_o_wa_v_e when it is on. •You (7)m__u_s_t _o_nl_y_p_u_t_“_m_ic_r_o_w_a_v_e_s_a_fe_”_o_b_je_c_ts___ in a microwave.
Must
观察
1. You must always be careful with electricity.
2. You must not/mustn’t do that, Benny!
3. Must I turn off the TV now?
Yes, you must. No, you needn’t.
Unit 6
Electricity
• 1. Words And Phrases • 2. Key Points • 3. Sentences • 4. Speaking • 5. Grammar • 6. Electricity Safety Tips • 7. Homework