新版深圳牛津版七年级英语下Unit6Electricity课文知识点解析及练习

新版深圳牛津版七年级英语下Unit6Electricity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 into

2. 戏弄某人trick sb

3. 最后at last

4. 看上去很傻look foolish

5. 流经flow through

6. 某种程度上in a way

7. 被连接到电缆上be connected to cables

8. 电灯泡 a light bulb

9. 挠头scratch one’s head

10. 不同形式的能量different forms of energy

11. 发电站 a power station

12. 一包 a packet of

13. 成/几包的in packets

14. 整理好tidy up=clean up

15. 关（灯，电器等）switch off=turn off

16. 开（灯，电器等）switch on=turn on

17. 与某人分享某物share sth with sb

18. 准时on time

19. 由……组成be made up of

20.为……提供……provide sth for sb=provide sb with sth

21. 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。

I was fool enough to accept his offer.

我接受他的提议真是够傻的。

What a fool I was to believe he is a good man!

A fool always finds a greater fool than himself.

3. bulb，n. 电灯泡

如：The light bulb in the kitchen burnt out.

4. test, v.回转，返回；n.归来，返乡。

如：After I made a model plane, I tested it.

5. wire n. 金属丝;金属线；vi.拍电报

如：Electricity is carried along wires.

Will you connect this wire to the television

6. battery n.[电]电池，蓄电池；[军]炮台，炮位；

如：He is charging a storage battery.

7. reply, n.答复、报复（行动）；vi.[法律]（原告对被告）答辩、作答；vt.回应，作出反应

如：His evasive reply prompted me to ask another question.

8. tidy，adj.整洁的、数量大的；n.盛零碎物品的容器、椅子的背罩；vt.& vi.使整洁；弄整齐如：It was a neatly furnished and

immaculately tidy room.

A tidy amount of money is a large amount.

9. identify, vt.识别、认出，确定，使参与，把…看成一样；vi.确定；认同

如：Could you identify your sunshade among a hundred

others.

The reporters identified one of the six Americans as an Army

Specialist.

10. conversaon, n.交谈、会话, 交往、交际；会谈、（人与计算机的）人机对话

如：Please pull up a chair and join the conversation.

11. anyone, pron. 任何人；任何一个；谁

如：That dog will pick a quarrel with anyone he meets.

12. cooker, n. 厨具，炉具

如：The cooker is not yet wired in to the main supply.

Cook n.厨师v.煮饭，烹饪

He is a good cook.

She can cook delicious fish.

13. fridge，n. 电冰箱；冷冻机

如：I put the milk and meat in the fridge.

14. lock n. 锁；一把，一撮;vt. 锁上；使固定；隐藏;vi. 卡住，不动

如：She brushed a lock of hair off his forehead.

They beat them up and locked them in a cell.

15. cable, n. 缆绳绳索；[电学]电缆；巨缆;vt. 发电报至；电传；固定系牢

如：Steel cable will be used to replace worn ropes.

16. moment, n. 瞬间，片刻；时刻；重要，紧要; 红极一时

如：I'll be back in a moment.

The moment the clown appeared on stage, the audience

folded up.

at the moment 此刻；当时

in a moment 立刻；马上

17. touch, vt.触摸；使某物与…轻轻接触；n.触摸，碰；触觉；vi.接触；联系

如：I want to touch briefly on another aspect of the problem.

She was off work with a touch of flu.

keep in touch 保持联络

18. through

Visitors enter through a side entrance. 游客从侧门进入。

I walked through a tunnel. 我行经一处隧道。

结论：through 用作，意思是“”

拓展：常用短语辨析：

go through 遭受She has been going through a hard life. 她最近经遭着艰难的生活。

get through 完成，使理解I find it impossible to get through

to her.我发觉根本无法让她听懂。

look through 浏览She looked through her notes before the

exam.她考试前匆匆看了一下笔记。

live through经历...而幸存He has lived through two world

wars.他经历了两次世界大战。

through、across与cross的区别：

cross 作动词用，“穿过，越过”的意思。主要表示在物体表面上横穿。如横过马路、过桥、过河等，与go across 同义。

Be careful when you cross the street.过马路时要小心。

across是介词，有“横跨，横穿，穿越”之意。

Go across the road , you will find the post office on your left.

横过这条公路，你会发现邮局就在你的左边。through是介词，“在...之中，透过”的意思，常与go, walk等动词连用，表示“穿越，横穿”等意思。主要表示从物体内部穿过。如穿过森林、隧洞等。

The two friends were walking through the forest.这两个朋友正沿着森林走。

运用:

①We must ________ the road very carefully.

②Before going _________ the road, you should look left first

and then right.

③Look! The man is swimming _______ the lake.

④They drove _______ the street quickly, but the police caught

them at last.

⑤________ the street and you can get to the hotel.

⑥He _________ the road and then comes to the post office.

⑦Go _________ the bridge and you will see the station.

⑧You can’t _______ the road when the light is red.

⑨It’s dangerous to swim ________ the river.

三、Phrases精讲

1.小心对待;谨慎处理be careful with

These glasses are very expensive, so he is very careful with

them.

2.（使）连接；联结connect…to…

Connect the hose（软管）to the tap and turn on the tap.

被连接到……Be conneted to…

The hose is connected to the tap.

3.发电厂;发电站the power station

He took us to see the power station they built.

4.关(电灯,机器) turn/switch off

Please switch the light off before leaving the room.

In order to save electricity, please turn off/ switch off all the

lights when you leave the room.

5. 打开(电灯,机器) turn/switch on

Please turn/switch on the light, it’s getting dark.

6. 转化,变成change into

They eat different kinds of food which change into energy.

人们吃的各种各样的食物都转化为能量。

8. 戏弄某人trick sb

9. 最后at last

At last, I have made some progress.

最后，我取得了一些进步。

10. 看上去很傻look foolish

I know many people do not want to look foolish.

我知道很多人都不想被人看作愚笨。

11. 流经flow through

The Life Principle will flow through.

“生命的法则”总是不断流动的。

12. 某种意义上in a way

In a way, it could make your life easier.

在某种程度上，他能令你的生活更轻松。

13. 电灯泡 a light bulb

14. 挠头scratch one’s head

15. 不同形式的能量different forms of energy

四、sentenses精讲

1. I’m going to buy a packet of sweets.

a packet of 一袋。其后可接可数名词复数或不可数名词用来表示数量。

不可数名词没有复数形式，在表示数量时，常用“a+单位量词+of+不可数名词”结构。a+单位量词+of+不可数名词 a bag of rice

a +单位量词+of+可数名词复数 a box of apples

数词+单位量词+of+不可数名词two cups of water

数词+单位量词+of+可数名词复数two boxes of bananas

2. It is like water, in a way…

＿＿＿＿＿＿＿＿＿＿在某种程度上

＿＿＿＿＿＿＿＿＿＿，you are right.

在某种程度上,你是对的.

与way的相关短语:

＿＿＿＿＿＿＿＿＿＿妨碍;挡道

His hobby sometimes gets in the way of his studies.

＿＿＿＿＿＿＿＿＿＿在途中;在路中

He is on the way to school now. 他现在在上学的途中.

＿＿＿＿＿＿＿＿＿＿顺便问一下

By the way, who is Tom 顺便问一下,谁是汤姆

＿＿＿＿＿＿＿＿＿＿一直

He studies hare all the way. 他学习一直很努力.

3. Electricity comes into our flat through thin wires. 电通过细电线进入我们的公寓.

＿＿＿＿＿＿＿＿＿＿进入……之内

Water comes into our houses through pipes.

4. These are connected to cables under the street…

连接…常用结构: 连接到……;

把…和…连接起来.

Turn on your computer and connect it to the Internet.

The railway line connects Wuhan to Shanghai.

5. A moment later, Daisy came back.

(1)moment 可数名词,意为””

I’d like to talk to you for a moment.

与moment相关的短语:

①＿＿＿＿＿＿＿＿刚刚;刚才

He was here a moment ago.

②＿＿＿＿＿＿＿＿现在;此刻

He is at home at the moment.

③＿＿＿＿＿＿＿＿等一会儿

Wait a moment, please.

(2) later 副词,意为”后来;以后”

6. Batteries provide toy cars with…

＿＿＿＿＿＿＿＿＿＿供应给某人某物

“为某人提供某物”还可以用＿＿＿＿＿＿＿＿＿＿

The sun provides us with light and heat.

=The sun ＿＿＿＿light and heat for＿＿＿＿．

7. ...speak as many languages as Lo. …说和Lo一样多的语言.

“as many + 复数名词+as ”意为”和……一样多的…”

我和你有一样多的书.

“as much +不可数名词+as”意为”和…一样多的…”

8. share cups with others 与别人合用杯子

与某人合用/分享某物

Lucy shares a bedroom with Lily. 露西和莉莉合用一间卧室.

9. Keep the outside of the pot dry. 让锅的外表保持干燥。

(1) ＿＿＿＿＿＿＿＿＿＿意为“让某人/某物保持某种状态”。

(2) ＿＿＿＿＿＿＿＿＿＿连续不断地做某事，一直做。强调不断重复的动作。

Li Lei keeps buying books about cars. 李雷不断地买有关车的书。

(3) ＿＿＿＿＿＿＿＿＿＿让某人不断地做某事

(4) ＿＿＿＿＿＿＿＿＿＿阻止某人做某事

We must keep them from getting to know our plans. 我们必须防止他们知道我们的计划。

10. …because it might start a fire. ……因为它可能会引起火灾。

might 情态动词，意为“可能，也许”。

It’s ＿＿＿＿＿＿rain today. 恐怕今天会下雨。

11. Stand at least one metre away from the microwave when

it is on.

＿＿＿＿＿＿＿至少

A child must sleep at least eight hours a day.

与least有关的短语：

(1) ＿＿＿＿＿＿＿＿＿＿一点也不

He is not in the least worried about his future.他一点也不担心他的未来。

(2) ＿＿＿＿＿＿＿＿＿＿最不……的

Nobody cared, least of all my little brother. 没有人在意，更不用说我的小弟弟了。

12. …make sure it is microwave safe. ……确保它适用于微波炉。

＿＿＿＿＿＿＿＿＿＿务必，确信

And you have to ＿＿＿＿＿＿＿a good work environment,

what I always say.

所以我经常说，你要确保良好的工作环境。

课堂练习：

一．Language points.

1.我弟弟要去买一袋糖。

My little brother_____ ＿＿＿＿＿＿＿＿＿_________ a packet of

sweets.

你能给我两袋糖吗

Can you give me _______ _____________ _________________,please

often answer the letter from my e-friends.(同义句）

I often _____________ ____________ the letter from my e-friends.

will look___________(fool).

It’s silly _____________(f or/of) you to say so.

_______________(give) us power. It ________(flow) through wires.

5.电线连接到地下的电缆上。

The wires__________ _____________ _________ cables under the

streets.

6.在某种程度上，你是对的。

______ _________ _________,you are right

7.我经常用洗衣机洗衣服。

I often wash clothes _________ the __________ _________________.

8.片刻后，Daisy回来了。________ ___________ __________, Daisy

came back.

二．词性转换。

（形容词)____________ (副词）_________ (名词）_________

（过去式）____________ off(近义词组）______________

（近义词）___________ (副词）____________(名词）_________

三．根据首字母或者汉语提示，补全单词。

!The boy is _______________(大笑）.

I asked him this question,he didn’t _______________(回答）.

are three c____________ in my kitchen.

p_________ s______ can provide us with electricity.

new camera can not work. I have to buy a new b______________.

comes into our house through w___________.

there___________(任何人）at home

you break the __________（规则），you will be punished.

四．用词的适当形式填空。

(care) of the dog. Don’t get too close to it.

can’t__________(identify) who is the real King.

film was so__________ (fun) that people laughed all the time.

can buy many__________(bulb) in the shop.

you give me some_________(tip) 6.——How much are the two

packets of___________(battery) ——Ten yuan,please.

五．选择填空

1. Mum makes me eat an apple every day ______ the doctor

away.

B. is kept

C. to keep

D. kept

2. Farmers have become ______ in our hometown in recent

years.

and more rich B. richer and richer C. more rich and more rich

3. With the help of the new technology, you _____ e-mail your

friends by mobile phone.

B. must

C. need

D. should

4. ----_______ I swim here ----I’m sorry. Children _____ swim

alone here.

; can’t B. May; must C. Can; mustn’t D. Can’t; can

5. You _____ jump onto a bus while it is still moving. It is too

dangerous.

B. must

C. can’t

D. mustn’t

6. ---Can he speak English

7. ----________.

, he does ,he did C. Yes, he can , he must

8. _______ call me Mimi! It’s my cat’s name.

B. Doesn’t

C. Don’t

D. Be not

9. Look, the dining hall is right on ______ side of the street.

B. other

C. the another

D. the other

10. ---What can I do for you ---I’d like two _______.

of tea B. packets of apple C. packets of tea D. packet of apples

11. It’s too late. It’s time to go to bed. Lily, ______ the TV.

on B. switch off C. turn up D. close

12. The computer is connected _______ a machine.

B. to

C. on

D. in

13. I asked him twice. But he didn’t ______ my questions.

B. answer to

C. reply

D. reply to

14. I washed a lot of clothes. Who can _______

up them B. tidy them up C. tidy it up D. tidy up it

15. About ____ people took part in planting trees last year.

of millions C. two million D. two millions of