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Unit 6 Electricity教案
课题:Unit 6 Electricity （阅读课）
课时: 第 1 课时，共 4 课时
课型:Reading
教学目标:
1. Students can get the main idea of the reading passage.21世纪教育网版权所有
2. Students’ reading ability if improved.
3. Students know more about electricity.
4. Students get the detailed language points of the text.
5. Students deepen the understanding of electricity.
6. Students can talk about electricity in English.2·1·c·n·j·y
教学重点: 1.The main idea of the reading passage.
2.The language points of the text.
教学难点: 1.The detailed information of the text.
2.Talking about electricity.
教学准备: PPT, Blackboard
教学步骤:
Step 1.Warming up .
Learn new words.
1)Read the new words after the teacher or the tape.
2) Read by themselves.
Step 2 :Reading Reading comprehension.
Before reading：
1.Show 3 PPT for Ss to know ways of producing electricity .
2.Look at the ( http: / / www.21cnjy.com ) photos and the title of the photos of the story on P73,then finish the exercises on P72.
3.Check the answers
While reading：
1.Careful readi ( http: / / www.21cnjy.com )ng Read the article carefully and then finish Part C1.
2.Check their answers.
3.Read the article again to finish C2. Check their answers.
post reading：Comprehension D1 and D2
Read the text to finish the comprehension exercise on p 75.
Step 3: Reading practice .
1.Read after the tape.
2. Read in roles.
3.Imitation and role play.
Step4.Review the text.
Task learning :
Make a flow chart.
Step 5: Language points. Self- study.
① Learn the sheet given by the teacher.
②Finish the corresponding exercise.
③Check with your group members.
Step 6: Retell the text:
Give a report of electricity.
Step 7: Discussion
Debate: Is the electricity good or bad .
Step8: Sum up
Step9 Homework
Step10.The blackboard design
Unit 6 Electricity
Reply foolish connect moment battery21·世纪*教育网
a packet of 一包，一捆 be connected to 连接到 in a way 在某种程度上
课题:Unit 6 Electricity（听说课）
课时: 第 2 课时，共 4 课时
课型: Listening & Speaking
教学目标:
1. Master expressions on electrical equipment.
2. Students learn some simple Modal verbs.
3. Students listening ability is improved.
教学重点:Get the main points of the listening.
教学难点:The new words and modal verbs in the listening.【来源：21cnj*y.co*m】
教学准备: PPT, Blackboard, music
教学步骤:
Step1.Lead in .
向学生介绍听力技巧及步骤。
Step 2 Listening.
Before listening
①Prepare to get rid of the strange words .
②Preview to get the main task and situation of the listening text.【版权所有：21教育】
While listening
Listen to tape and finish the Exercises twice and check the answers.
Step3 Speaking
1.学习音节及音节的个数
2.怎样计算音节的个数。
3.Practice
1）Part A2 说出下列单词音节的个数。
2）Check their answers.
3)Part B Ask Ss to ma ( http: / / www.21cnjy.com )ke a conversation about safety.(学习情态动词may、must、can的用法)。
S1: May I change the bulb
S2: No, you may no ( http: / / www.21cnjy.com )t. You must switch off the electricity. Then you may change the bulb.
Step4 Pair work:
① Make clear about the expressions to describe the pictures.2-1-c-n-j-y
②Learn the example to make dialogues in pairs.
Step 5 Summarize.
Finish a chart to list our ways to keep safe group work.
Finish the given chart according to the 5 pictures. 21*cnjy*com
Step 6: Homework
Step7 The blackboard design.
1.听力的技巧
2.单词音节
3.情态动词can、may、must的用法
课题:Unit 6 Electricity（语法课）
课时: 第 3 课时，共 4 课时
课型: Grammar &More Practice
教学目标:
1. Students can master the Modal verbs can/may/must.21教育名师原创作品
2. They can distinguish the 3 modal verbs.
3. Students are interested and confident in using this grammar.
教学重点:The usage of can/may/must.
教学难点:The difference among these Modal verbs.
教学准备: PPT, Blackboard
教学步骤:
Step1: Warming up
1. Read the sentences in Patr A to the modal verbs “can \ can’t”.
2. Give more sentences to read.
Step2: Grammar learning.
① Getting to know the modal verbs”can \can’t”.
② Distinguish the modal words.
Discuss to c ( http: / / www.21cnjy.com )hoose a right modal verbs to talk about the picture .Then summarize the differences of these 3words. (can \may\must)
①meanings
②forms
Step3: Using the grammar to get detailed points.
1. Finish the exercise on the text book.
2. Games: I CAN IMITATE.
3. Using the grammar
①Self-study to finish the exercise on the text book.www-2-1-cnjy-com
②Imitate the ( http: / / www.21cnjy.com ) classmates to make a new one .Then which group gets the most right sentences will be the winner.www.21-cn-jy.com
Step4: Summarizing
Note down the grammar rules.
Step5: Activity Mime
Follow the rules t ( http: / / www.21cnjy.com )o play the games and let’s see how many students act as the same of the first one.
Step 6: Homework
Step7 The blackboard design
情态动词can、may、must的用法
课题:Unit 6 Electricity(写作课)
课时: 第 4 课时，共 4 课时
课型: Writing
教学目标:
1. The students can use the modal verbs “must” frequently.21教育网
2. Students can write some rules about staying at home.21cnjy.com
3. Students can have more sense of obeying rules.
教学重点:Using must/must not in a right way.
教学难点:Think of all kinds of rules.
教学准备: PPT, Blackboard
教学步骤:
Step1: Warming up
1. Ask Ss to talk about “Where do we have rules ”
2. Help them to find the answers.
Step2: Brainstorm.
1. Collecting words and expressions about home rules.21·cn·jy·com
2. Group work to think of home rules to keep safety at home.21*cnjy*com
We must…
We mustn’t…
Step3: More practice Choose a place to write rules for it
Group work to choos ( http: / / www.21cnjy.com )e one place to make rules. Everyone should write at least 2 rules by using we must…We mustn’t…The more rules, the better.
Step4: Writing Making family rules
.Write out the rules ( http: / / www.21cnjy.com ) and then check with each other. Recommend the better one to the class.
Step5: More practice
Electricity safety tips
1. Ask Ss to talk about how we can use electricity safety.【来源：21·世纪·教育·网】
Rice cook …
Wash machine…
Microwave…
2. Ask Ss to use“can\can’t \must \mustn\t” to fill in the blanks.
3. Check their answers.
Step 6: Discussion (Culture corner)
Ask Ss to talk about “Earth Hour” and answer these questions.【出处：21教育名师】
1. When will the next Earth Hour be
It will be on the last Saturday of March next year.
2. Will you take part in the next Earth Hour
Yes, we will.
Step 7 Sum up
Step8: Homework
Step9 The blackboard design
Unit 6 Electricity
1. Family rules
2. Electricity safety tips
3. Earth Hour
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网 www.21cnjy.com第 6 页 （共 6 页） 版权所有@21世纪教育网(共71张PPT)
Unit 6 Electricity
Reading
Period 1
Review
Words and expressions
Warm-up
electricity
conversation
identify
rule
anyone
reply
foolish
Words and expressions
n. 电
n. 谈话
v. 确认
n. 规则
pron. 任何人
v. 回答
adj. 愚蠢的
Presentation
wire
connect
cable
moment
battery
cooker
Words and expressions
n. 电线
v. 使连接
n. 电缆
n. 瞬间；片刻
n. 电池
n. 厨灶；炉具
Presentation
Focus on
Key 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
Presentation
Reading
A. What do you know about
There are different ways of producing
electricity. Write the correct words in the
blanks.
solar power water power wind power
Presentation
water power
solar power
wind power
Presentation
Look 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.
Presentation
The 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. silly
Vocabulary
Practice
C 1
3. 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. heat
Presentation
Complete 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 station
C2
anyone connected to in a way power station wires
in a way
power station
connected to
Presentation
through ______.Electricity is very important to us. We need it at home, at work and in schools. Could________ live in a world without electricity
wires
anyone
Presentation
D1. 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) __________
Comprehension
Daisy
Exercises
2. 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) ______
Benny
Daisy
electricity
wires
Exercises
D2. The pictures below shows electricity
gets to Benny’s flat. Fill in theb lanks with the correct words from the box.
cable power station wire
power station
_____________________
__________
cable
wire
Presentation
Language points
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。
Presentation
2. 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。
Presentation
3. 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。
Presentation
4. 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。
Presentation
5. 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 way
I. 单项选择.
Exercises
2. — What did you buy in the
supermarket that day
— I bought nothing but some _____.
A. battery B. pieces of battery
C. electricity D. batteries
Exercises
II. 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 of
be going to
be connected to
look foolish
come into
in a way
go out
Exercises
Listening and speaking
Period 2
Objectives
1. To listen to the conversation between
Benny’s father and mother
2. To learn to catch the detailed
information when you listen
Presentation
Read 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 tip
Presentation
√
√
√
√
√
√
Presentation
objectives
To learn about syllables
To talk about safety at home
Talk time
Syllables
English words are made up of different parts. These parts are called syllables. All words have one or more syllables, e.g.
1 syllable 2 syllables 3 syllables 4 syllables 5 syllables
form coo-ker com-pu-ter su-per-mar-ket e-lec-tri-ci-ty
Presentation
Say 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 ( )
A2
3
2
2
3
2
3
3
4
Presentation
Johnny’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 up
Presentation
S1: May I change the bulb
S2: No, you may not. You must switch off
the electricity. Then you may change
the bulb.
Practice
Presentation
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.
Presentation
3. 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.
Presentation
Grammar
Period 3
To learn about the modal verbs can, may and must.
objectives
Presentation
Have A L k
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.
Presentation
You 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.
Presentation
Modal verbs
A Can and cannot
We 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。
Presentation
Can
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.
Presentation
②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.
Presentation
④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
Presentation
A1 Hi and Lo are talking about themselves. What are they saying Read their conversation and then complete the statements below with can or cannot.
Presentation
1. 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.
can
cannot
cannot
can
cannot
can
can
cannot
Presentation
B May and may not
We 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.
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。
Presentation
Daisy 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
May
May
exercises
Daisy: 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.
Can
Can
May
exercises
We use must and must not (mustn’t) to tell people what to do or what not to do.
C Must and must not
You 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.
Presentation
C2 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 time
Presentation
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’t
Can
May
can’t
must
Exercises
1. 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。
Exercises
4. 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.
Exercises
Writing
Period 4
Where do we have rules:
in the park
in the classroom
at home
on the road
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 hands
Home rules
Presentation
Home rules
We must:
_________________________________
__________________________________
2. _________________________________
We mustn’t
__________________________
2. _________________________________
close windows when air conditioner
is on.
remember to take keys when go out
put newspapers near heater
touch TV wet hands
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 machine
must unplug it
can’t turn it
must stand one metre away from the microwave
must put an object
can’t switch the rich cooker on登陆21世纪教育 助您教考全无忧
Unit 6 Electricity 测试题
一．同义词.选出和划线的部分相同或相近的短语或单词。
1.----Can I ask you a question ---Wait for a moment. I'm coming. www-2-1-cnjy-com
A. a long time B. a short time C. at once D. in time 【来源：21cnj*y.co*m】
2.He will return in two days.
A. leave B. come back C. arrive D. get
3. They connect the computer to the printer.
A.join B.carry C．take D.join in
4. He made a foolish mistake.
A. harmful B. silly C. dangerous D.fool
5. The boy is like his father.
A. likes B. sounds like C. looks like D.look like
6. He didn't reply to my question.
A. answer B. bring C. give D. save
7. We will have a test tomorrow.
A. examine B. examination C. rest D. rule21·cn·jy·com
8. Keeping their rooms tidy was her pleasure.
A. nice B. Valuable C. neat and in good order D. successful21*cnjy*com
9. Rule a line at the end of every piece of works
A. Touch B. Lock C. Control D. Draw
10. Do you take me for a fool
A. cheat B. silly person C. cooker D. Ruler
二.词汇单选
1. Electricity_____a wire and it is like water.
A. comes from B. runs from C. comes through D. goes across
2. Stand____ 1 meter away from the machine when it is on.21教育名师原创作品
A. at last B. at least C. at most D. at times
3.She_____because sh ( http: / / www.21cnjy.com )e wants to buy electricity in packets like sweets.
A. smells well B. feels worse C. looks foolish D. finds out
4. We can't ( http: / / www.21cnjy.com )see electricity, but we can___ it____ different forms of energy.
A. translate... ( http: / / www.21cnjy.com )into B. change...into C. flow...into D. run...into
5. Please don't ____, it is bad for your teeth.
A. stay up B. flow across C. come from D. eat too many sweets
6. These wires ___cables under the street.
A. are connect ( http: / / www.21cnjy.com )ed to B. are made up of C. consist of D.make from
7. What does electricity really___
A.likes B.look like C.like D.looks like
8. Our head teacher is kind to us and she is like our mother, ____ 21cnjy.com
A. on the way B. by the way C.in a way D.in the way
9. ---Electr ( http: / / www.21cnjy.com )icity can help us ___ many kinds of jobs. ----Yes,it helps us ___ a servant（仆人).
A. with, ( http: / / www.21cnjy.com )with B. do; likes C. to do; like D. with, likes
10.Can you help me buy______sweets, please
A. a piece of B. a packet of C. a copy of D. a cake of
11.----_______ I sw ( http: / / www.21cnjy.com )im here ----I’m sorry. Children _____ swim alone here.
A. Must; can’t B. May; must C. Can; mustn’t D. Can’t; can
12.You _____ jump ( http: / / www.21cnjy.com ) onto a bus while it is still moving. It is too dangerous.
A. can B. must C. can’t D. mustn’t
13.They ____do well in the exam.
A.Can be able to B ( http: / / www.21cnjy.com ).be able to C.am able to D.are able to
14.May I borrow your books -- Yes,you______. 2·1·c·n·j·y
A. may B. can C. must D. need 21*cnjy*com
15.---Look at that man over there.________ he be our teacher Mr.Luo
------He ________be him. He has gone to Beijing.
A.May;must B.Can;may C.Can;can’t D.May;can’t
16. -–My brother won the first prize in the speech competition.
-–Congratulations! You ______ be excited about that!
A.need B.must C. would D. can
17.Some warm-hearted animals ___ hibernate (冬眠)
A.needn’t B.does not need to C.needn’t to D.don’t need
18.____I go and apologize to my teacher for my mistake 21·世纪*教育网
A. Should B.Need C.Can D. May
19.--May I stop my car here,sir --No,you _________ .
A.may not B.mustn’t C.can’t D.needn’t
20. ________I chang ( http: / / www.21cnjy.com )e the bulb now --No,you may not. You _______switch off the electricity.
A.Can;need B.May;must C.Must;must D.Can;must
21.John____ come to see us tonight, but he isn’t very sure yet.
A.may B.can C.has to D.must
22.Is Tom at home now
--He _____be at home,now. Because I _______ his room just now,and he answered.
A.must;called B.can’t;phone C.may;called D.must;phoned
23.Shall I tell Tom something about it --No,you ________
A.mustn’t B.needn’t C.can’t D.won’t
24.My mother is ill.So I ______to look after my little brother.
A.must B.may C.have to D.should
三．完型填空
We are lucky to live in a rich country where we have many things. However, most of us usually 1 some things.
Electricity is ( http: / / www.21cnjy.com ) one thing that we waste most. Lights, TVS, 2 and other things are often kept on even when
no one is using them. We should turn them off when we do not need them. It takes less than a second to do it. Anyhow, not wasting electricity save money, because we do not have to care for the electricity we do not use. The second thing that we often waste is water. Fresh water is precious, 3 it shouldn't be wasted. It is only a simple matter of turning off a tap. I am sure 4 can do this easily if he wants to. 5 big waste is food. My mother 6 cook so much food that much of it was thrown away. I told her we had wasted so much 7 . She thought I was right and now cooks mainly what we can eat.
It is not 8 to be ( http: / / www.21cnjy.com )wasteful. I find there is a simple way of not wasting things. That is to use only what
we 9 . Do not touch ( http: / / www.21cnjy.com ) what we do not need. 10 this way we can stop being wasteful.
1. A. use B. wash C.waste D.forget
2 A. radios B. apples C.bikes D.doors
3. A. though B. because C. so D.but
4. A. nobody B. something C.everybody D.nothing
5. A. Others B. Other C.Another D.the other
6. A. planned to B. used to C.was able to D.was afraid to
7. A. electricity B. water C. food D.money
8. A. right B. fine C.bad D. necessary
9. A. buy B. need C.bring D.get
10.. A. On B. In C.For D.At www.21-cn-jy.com
四.阅读理解
Light and sh ( http: / / www.21cnjy.com )adow（影子） are friends. They usually go together. We receive light every day. At the same time, we produce shadow.
Light cannot shin ( http: / / www.21cnjy.com )e through you. Your body stops it from passing. There is a dark spot on the ground
next to you. The li ( http: / / www.21cnjy.com )ght cannot reach the dark spot. This is your shadow.
At noon the sun shines over your head. Your body stops very little light from reaching the ground.
We love light, esp ( http: / / www.21cnjy.com )ecially sunlight. Without sunlight, life on earth is impossible. Most of us like to stand
in the shadow of a tree in summer. But some people are afraid of their own shadow at night. They do not want to walk in a dark street. They do not want to see the shadow, either. But still light and shadow usually go together.
1. The sentence "Light and shadow are friends" means ____.
A. the shadow produce light
B. the light usually follows the shadow
C. they usually get on well with each other
D. when we get light, we can get shadow. They are always together. 2-1-c-n-j-y
2. Light cannot shine through you because ___.
A. it is too weak B. your body stops it from traveling on
C. your body is tall and strong D. there is a dark spot on the ground next to you
3. Your body's shadow is long because ____.
A. the sun is low in the sky in the morning or late afternoon
B. the sun is over your head
C. the sunlight is very strong at noon
D. your body stops very little light reaching the ground
4. It is ___ in the shadow of a tree in summer; so many people like to stay there.
A. hot B. warm C. cool D. cold
5. Which of the following is not true
A. There will be no shadow without light.
B. Shadow is produced when something stops the light from passing.
C. We produce light when we receive it.
D. Man, animals and plants have to live on sunlight.
五．正确形式填空
1. It’s _____________ of you to buy such a dress. It looks so ugly (fool )21世纪教育网版权所有
2. The remote contr ( http: / / www.21cnjy.com )ol doesn’t work now. I think we need to change the two _____ in it (battery )
3.Your room is dirty ( http: / / www.21cnjy.com ) and _____________. I think you know what you need to do now ( tidy )
4. Electricity is ( http: / / www.21cnjy.com ) very helpful, but we must remember the _____(safe) rules.
5.The TV set couldn't work without_____(electrical).
6.The film was so ( http: / / www.21cnjy.com )_____(fun)that people in the cinema laughed all the time.
7.The desk is_____ (make)of wood.
8.Remember_____(take)the keys when you go out.
9.His dream is to b ( http: / / www.21cnjy.com )e a _____(cooker)when he grows up. He likes eating.【出处：21教育名师】
10.He____(reply) to my letter last night. I am writing back to him.
六.短文填空
Jane’s mother ( http: / / www.21cnjy.com )was about seventy, so Jane and her husband wanted to give the old lady a nice present for her ______（birth）. She liked drinking tea, so Jane bought a small _____(electricity) machine for her. It could make tea and then wake people up in the morning.
She brought i ( http: / / www.21cnjy.com )t ____ her mother on her birthday,and showed her how_____(use) it.Before you go to bed,_____ tea and water in it,”she explained to her mother,”and _____(do) forget to turn____the electricity.When you wake ____ in the morning, your tea will be ready.”After a few days, the old lady______( telephone) her daughter and said,”Jane,there is one thing I don’t understand. Why do I have to go to bed to make tea Can’t I have tea in the afternoon ____ in the evening ”
参考答案：
一．同义词.选出和划线的部分相同或相近的短语或单词。
1-5 BBABC 6-10 ABCDB
二.词汇单选
1.A come from 来自于
2.B at last 最后 at least 至少 at most 最多 at times 有时21教育网
3.C smells well 好闻 ( http: / / www.21cnjy.com ) feels worse 感觉更差 looks foolish 看上去傻 finds out 发现
4.B translate...into 把..译成 change...into把…变成 【来源：21·世纪·教育·网】
5.D 吃太多的糖果
6.A 被连接到
7.B look like 看起来像
8.C on the way在途中 by the way 随便问一下 .in a way 在某种程度上
9.C help sb (to) do sth 帮助某人做某事
10.B a piece of 一片（张） a packet of 一袋 a copy of 一本 【版权所有：21教育】
11.C
12.C can’t 不能
13.D 选项B和C ，不能和they 搭配。而A，不能同时出现。
14.B may 构成的一般疑问句，肯定回答用can.
15.D can’t be 一定不是
16.B must be 一定
17.C need to do sth 需要做弥撒 ，先排除A和D, 而animals为复数，排除B.故选择C
18.A should 应该
19.C may 构成一般疑问句时，否定回答用can’t.
20.A
21.A may 可能，表示推测
22.C may be 可能在…
23.B
24.C have to 不得不
三．完型填空
1.C waste some things 浪费东西
2.A radios 无线电广播 是用电的
3.C 因为水是珍贵的，所以我们不应该浪费
4.C 我相信每个人都可以做这件容易的事情
5.C 另外一个大的浪费是食物
6 B used to do sth (过去)经常做某事
7.C waste much food 浪费了太多的食物
8.A 正确的
9.B
0.B in this way 用这种方法
四.阅读理解
1-5 DBACC
1.D 当我们得到光的同时，也有影子伴随着我们，他们总是形影不离
2.B 光线不能通过你，是因为你的身体阻挡了他们
3.A 身体的影子变长是因为在早上和下午太阳低的缘故
4.C 凉爽的
5.C 当我们产生光的同时，也接收光
五．正确形式填空
1.foolish 2.batteries ( http: / / www.21cnjy.com ) 3.untidy 4.safety 5.electricity 6.sunny 7.made 8.to take
9. cook 10.replied
六.短文填空
1.birthday 2.eletric ( http: / / www.21cnjy.com ) 3.to 4.to use 5.put 6.don’t 7.on 8.up 9.telephoned
10.or
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