深圳英语七年级下学期期末复习资料Chapter5 electricity

Chapter5electricity
【重点集锦】
Question:What’s electricity?
Electricity ______through a ____like water in a way. But it’s much more __________than water. In fact, we can’t see it. It’s ________. But it can change into different forms of _______such as heat, light, sound and movement.
1. 复合不定代词
something,某事，某物anything任何事everything每件事，万事nothing 没有任何事someone某人anyone任何人everyone每个人no one没有一个人somebody 某人anybody任何everybody 每个人nobody没有一个人
★anything，anyone，anybody用于否定句和一般疑问句
Does anyone want anything?（一般疑问）有没有人需要什么东西
There isn’t anything left. (否定句) 没有任何东西剩下
★something，someone，somebody，everything，everyone，everybody一般用于肯定句，但everything，everyone，everybody可以用于一般疑问句
Everything is fine. 一切都好
Someone is singing in the room. 某人正在房间里唱歌
Is everyone here today?是不是每个人都在
★不定代词+adj
I have something important to tell you. （不定代词+adj）我有一些重要的事情要告诉你
Was there anything interesting when I was away?（不定代词+adj）我不在的时候有什么有趣的事情发生吗
★复合不定代词谓语动词用单数
Everyone is here. No one is away. 每个人都在，没人缺席
2.be able to do sth （通过努力）能够做某事
I was able to pass the exam in the end.我最后终于通过了考试
be able to do sth=can do sth
3. in packets 一包包地in bags一袋袋地
Rice is usually sold in bags. 大米通常是一袋袋地出售的
4.（复习）感官动词look/smell/sound/taste/feel+adj 看/闻/听/尝/感觉起来怎么样
She’ll look foolish.她会看起来很愚蠢
I feel sleepy sometimes. 我有时候打瞌睡(sleep v.--- sleepy adj.)
5. flow through a wire流过电线run through forests跑过森林
go through the cave穿过洞穴through指穿过三围立体的空间
6. ★be like=seem like 像，似乎
Electricity is like water. 电就像水流
They are like clouds. 它们就像云朵
★look like看起来像（指外表特征）
He looks like his father.他看起来像他爸爸
★like doing sth 喜欢做某事
I like drawing cartoons in my spare time.
7. ★in a way 在某种程度上
Electricity is like water in a way. 在某种程度上电就像水流
★in different ways用不同的方式/方法
He can solve the math problem in many different ways.
他能够用许多不同的方法解决这个数学问题
★in another way用另一种方式/方法
Can you explain the word in another way?你能用另一种方法解释这个词语吗
★by the way顺便说一下
By the way, I won’t be back until 10 tonight.顺便说一下，我要晚上10点才回来
8. a good explanation 一个好的解释
9. change A into B 把A变成B
The next morning, the water changed into ice.第二天早上，水变成了冰
10.A be connected to B A被B 连接
The light bulb is connectd to the wire. 灯泡连接电线
11. with a grin on his face 脸上带着笑
★和…一起
I usually go to school with my sister.我通常和妹妹一起上学
★带着
He came into the classroom with a book in his hand.他走进教室手里带着一本书
He has a house with a big garden. 他有一所带大花园的房子
★具有
She is a girl with big eyes. 他是一个有着大眼睛的女孩
12. say sth politely礼貌地说某事polite-politely drive a car slowly 慢慢地开车
run quickly快速地跑study hard努力学习
I listened to the teacher carefully. (副动形)
13. turn on the TV=switch on the TV 打开电视
turn off the fan=switch off the fan 关掉风扇
He turned on the light to see what happened.=He switched on the light to see what happened.他打开电灯看看发生了什么
be on开着的（表示状态）be off关着的（表示状态）
The TV is on but the washing machine is off.电视是开着的但是洗衣机是关着的
14. stay up late熬夜
It is bad for you to stay up late at night. 晚上熬夜不好
二、重要句型
1. trick sb=fool sb=make fun of sb欺骗at last=in the end=finally 最后终于
I was able to trick Daisy at last
=I was able to fool Daisy in the end.
= Finally I was able to make fun of Daisy.
2. turn off…=switch off… 关掉…
Remember to turn off the lights when you leave.
=Remember to switch off the lights when you leave.
1.turn on…=switch on…打开
T urn on the fan if you feel hot.=Switch on the fan if you feel hot.
2.get sb sth=get sth for sb 买某物给某人（此处get相当于buy）
Can you get me a packet of electricity?=Can you get a packet of electricity for me?
5. 用with将两句话合成一句话
She is a girl. She has big eyes.= She is a girl with big eyes
He has a house. The house has a big garden.=He has a house with a big garden.
6.A be connected to B=A be joined to B A被B 连接
The island is connected to the mainland by a bridge.
=The island is joined to the mainland by a bridge.
7. contain=have…inside 包含
His bag has a lot of books inside.=His bag contains a lot of books.
【考点链接】
考点1：情态动词
例句：Can they dance ? Y es, they can. / No , they can’t.P 63
他们能跳舞吗？是的，他们能。

/不，他们不能。

例句：May they come in ? Y es, they may. / No, they may not. P64 他们可以进来吗？是的，可以。

/ 不，不可以。

例句：Must they leave ? Y es, they must. / No, they needn’t. p64 他们必须离开吗？是的，他们必须。

/ 不，他们没必要。

试题1，---Can I go fishing with you．Dad?
---No，you______．You_______stay at home and do your homework first．A．won’t，may B．can’t，must
C．shouldn’t，ought D．needn’t，should
答案：B (2008, 深圳)
2, _____ I have your name, please? Y es, , Smith.
A must
B May
C Will
D Need
答案： B (2005 广东)
3, Must I tidy the room now? No, you ______. Y ou____ do it after breakfast.
A mustn’t, can
B don’t , have to
C needn’t may
D needn’t must
答案：C (2007 四川)
考点2，系动词+形容词
例句：She’ll look foolish. 她将看起来很傻。

试题：---The cake looks__________
---Yes，and it tastes even________
A．well，good B.nice，better C．good, worse D．better,best 答案： B （2009 深圳）
考点3：副词和with 的用法。

例句Benny said politely, with a grin on his face.
Benny有礼貌的说，脸上带着笑。

试题1---The teacher looked at her students______when they were saved．---We also felt______for them．
A.happily，happy B．happy，happily C．happy，happy D．happily，happily
答案：A （2008 深圳）
2 ---Which would you like ,tea or coffee?
---Either______OK,but I prefer coffee_______milk.
A．is，has B are,with C. is,with D．are，has 答案：C (2009 深圳)
考点4：in a way
例句：It’s like water, in a way. 它在某个方面像水。

试题：______ I agree with him.
A In a way
B by the way
C in the way
D on the way
答案：A
考点5, be able to do sth. at last
例句：I was able to trick Daisy at last. 最后我能戏弄到Daisy. L6 P59 试题：I am able to speak English. （写同义句）
I can speak English.
I finished my work at last . （写同义句）
I finished my work in the end .
I finished my work finally .
考点6 use sth. to do sth.= do sth. with
例句：We use it to do all kinds of things, like watching TV and running the air conditioner.
我们可以用它来做各种事情，像看电视和开空调。

试题：We use eyes to see. （写同义句）
We see with eyes.
考点7 将来时be going to do sth.
例句I’m going to buy some sweets. 我打算买些糖果。

试题：What ____ you ______ tomorrow? I have no idea.
A is ,going
B is ,going to do
C are , going
D are, going to do
答案：C （2006 西安）
考点8 名词复数
例句：We can change it into different forms of energy.
我们可以把它转变成不同形式的能量。

试题：We are the same___,but different_____.
A.heights:age B age;height C ages;heights D height;ages
答案：D
考点9 stay up late P 65
试题：She stayed up late last night. (写同义句)
She went to bed late last night.
考点10 be short of
例句：I am always short of money. 我总是缺少钱。

试题：Shenzhen is short of water. (写同义句)
Shenzhen doesn't have enough water.
【课堂练习】
一，单项选择。

1. I agree with him _________. Some of his points are right.
A. in the way
B. on the way
C. in a way
D. by the way
2. “We must be ____ to others.” the teacher said ______ to us.
A. politely, polite
B. politely, politely
C. polite, politely
D. polite, polite
3. Don’t forget ____ the window when you go out.
A. close
B. to close
C. closing
D. closed
4. --- The TV is too noisy, Mum.
--- Sorry, my dear. I’ll _____ at once.
A. turn it down
B. turn it up
C. turn it off
D. turn it on
5. My MP3 ________ the computer by a data wire.
A. in connected on
B. is connect to
C. are connecting with
D. is connected to
6. Electricity comes into our houses ______ wires.
A. in
B. across
C. through
D. from
7. --- Where is Mom now?
--- I’m not sure. She _____ be in the kitche n.
A. shall
B. may
C. need
D. must
8. ______ you tell me the way to the airport?
A. Should
B. Could
C. Might
D. Must
9. --- Must I go with them tomorrow?
---No, you____
A. mustn’t
B. shouldn’t
C. needn’t
D. can’t
10. --- ____ you like some more tea, sir?
--- No, thanks
A Would
B May
C Must D. should.
11. --- May I go now?
--- No, you ____. Y ou ____stay here.
A. needn’t, have to
B. needn’t; must
C. mustn’t, have to
D. may not, has to
12. His shirt ______ mine.
A. looks like B likes C. like D. be like
13. Can we buy electricity ____ packets?
A. of
B. on
C. in
D. at
14. Why does she look so _______?
A. angrily
B. sadly
C. happy
D. fool
15. --- James, your socks are on the chair. Please_____
--- OK, mum.
A. put away it
B. put it away
C. put away them
D. put them away. 二，将B 栏中的英语意思与A 栏的词或词组相匹配。

A B
flow a. words that make something clear
connect b. having or showing good manners and respect to others explanation c. join one thing to another
polite d. partly
in the way e. move along like a river
三，根据括号中的中文提示，用该词的适当形式填空。

1. Water has three f________ (形态)— liquid, gas and solid.
2. This wire is c__________ (与---连接) to the light
3. There was a g______ (露齿笑) on his face when he got the gift.
4. Can you get me some b__________ (电池).
5. The baby is s____________ (抓) his head.
6. It is f________ (愚蠢的) of you to say so.
7. They work as s_________ (仆人).
8. Electricity f________ (流动) through the wire.
9. They have no e___________ （解释）for being so late.
10. This teacher is p_______ (有礼貌的) that all her students like her.
11. They always e___________ (鼓励) me when I’m in trouble.
12. Y ou should write it down p_________ (正确地)
13. C_______ (电缆) are always under the street.
14. It’s dangerous to l______ (斜靠) out of the window in the bus.
15. We can change electricity into m___________ (移动) energy.
四，根据所学课文补全短文。

在每个空白处填上一个适当的词，使短文意思完整，正确。

首字母已经给出。

People make electricity in a (1)p______ (2)s_____. Then electricity (3)f____ through cables and (4)w_____ into our flats. It’s like (5)w____ in a way. People can
(6)c_____ electricity into different forms of (7)e_____ so we can use it to do all (8)k_____ of things, like watching TV and (9)r______ the air conditioner. Therefore (因此) we say electricity is like a (10)s_____. It’s helpful.
五．按要求改写句子。

1. I can speak English. (同义句转换)
I _____ _____ _____ speak English.
2. Must he finish his homework now? (作出否定回答)
No, he _____ .
3. I can dance. (改成一般疑问句)
_____ _____ dance?
4. She looks like her mother. (就划线部分提问)
_____ _____ she _____ like?
5. We got there in time at last. (同义句转换)
We got there in time ______ .。