文档文本内容
Unit 13 We’re trying to save the earth!
第15 讲
适用学科
初中英语
适用年级
九年级
适用区域
人教版区域
课时时长（分钟）
120
知识点
现在进行时，be used to，被动语态
教学目标
知识与技能目标：
（1）We’re trying to save the earth! 现在进行时的结构和用法。
（2）But it used to be so clean! used 的用法。
（3）This is not only cruel, but also harmful to the environment. Not only but also
的用法。
（4）The air is badly polluted. 空气被严重污染。被动语态的用法。
过程与方法：
（1）能听懂谈论环境污染与保护的对话，并熟练运用所学句型就环境污染问题发表自己
的观点；
（2）能读懂有关环保的文章，并学会简单描述有关环保的
情感态度和价值观：
（1）通过本单元的学习体会到关爱动物、保护环境的重要性；
（2）增强环保意识并且倡导从身边小事做起，保护地球母亲。
教学重点
现在进行时的用法，used to 的用法
教学难点
Used to 的用法；被动语态；情态动词的用法
教学过程
概述
一导入
Ask students to talk about the things that they are doing to protect our earth.
Let students make sentences with following phrases.
T: What can you do to protect the earth?
S: We can ...
take the bus or subway
Bring a bag to go shopping
Do not use wooden chopsticks or plastic forks
二知识讲解
知识点1 litter
(1) 可用作动词或名词，意为“乱扔；垃圾”。
如：The floor was littered with some papers.
（2）litter 表示废弃物(尤其指在公共声所乱扔的废纸)时是不可数名词.
如：The streets were full of litter.
知识点2 bottom
(1) 名词，意为“底部；最下部”。
如：He was always bottom of the class in math.
(2) 动词或形容词，意为“底部的”。
如：Put your books on the bottom shelf.
知识点3 afford
(1) 动词，意为“承担得起；买得起”。
如：I can’t afford this car.
(2) 常构成短语：afford to do sth. 意为“负担得起做某事”。
如：I can’t afford to buy this car.
知识点4 take part in
(1) 意为“参加，参与……活动”。
如：Take part in something you believe in.
(2) join 多指参加组织，成为其中的一个成员。take part in 指参加活动。
如：I will never forget the day when I joined the Party.
知识点5 realize
意为“了解；意识到；实现”。不用于进行时。
如：Do you realize that all of these shirts are half off?
知识点6 without
是介词，意为“没有”，后面接名词或动名词。
如：Without the sun, nothing would grow.
知识点7 recycle
可用作动词，也可用作名词，意为“回收利用；再利用”。
如：We should try to recycle all our waste paper.
知识点8 inspiration
名词，意为“灵感；鼓舞人心的人或事物”。
如：Many artists have drawn their inspiration from nature.
知识点9 creativity
(1) 名词，“创造力；独创性”。
如：A good teacher can encourage our creativity.
(2) 形容词形式是creative，意为“创造性的，有创造力的”。
如：Express your creative side.
知识点10 辨析gate 与door
(1) 这两个词都有“门”的意思。
(2) gate 指大门口。
(3) door 指屋子、衣柜等的“门”或“门口”。
如：He is waiting for you at the park gate.
Close the door when you go out.
知识点11 throw
意为“扔掉；抛弃”，如果代词做宾语，要放在两词中间。
如：That’s rubbish you can throw it away.
知识点12 put down 与bring down
(1) pull down 意为“拉下，拆毁”。
(2) bring down 意为“拿下；带下；搬下”。
如：He tried to pull down the zipper(拉链) normally.
He’ll need help to bring the computer down.
知识点13 put sth to good use
意为“好好利用”。
如：The waste water was put to good use.
知识点14 be used to
1. used to be+形容词/名词（短语）表示“过去存在某种状态”。
如：I used to be very quiet.
She used to be an English teacher.
2. used to do sth. 意为“过去常常做某事”。
如：My father used to read newspapers after dinner.
3. be used to(doing)sth. 意为“习惯于（做）某事”。
Now I am used to practicing handwriting after finishing my homework.
例题1
-Why are you so tired these days?
-Well, I have ________ homework to do.
A. too much
B. too many
C. much too
D. many too
例题2
I couldn’t do it ________ your great help. Thanks a lot!
A. with
B. without
C. for
D. to
例题3
I can’t afford _________ a big house now.
A. buy
B. to buy
C. buying
D. buys
例题4
三、例题精析
The boy is sleeping.
Please ________ the radio.
A. turn up
B. turn down
C. turn on
D. turn off
例题5
It usually ________ Mum about half an hour to cook.
A. pays
B. takes
C. spends
D. costs
例题6
I hope everyone can care about ________ the environment and stop ________ things.
A. protecting, wasting
B. protecting, to waste C. protect; wasting
D. protect; to waste
四课堂运用
单项选择
1. The price of the coat is very high. I can’t___________________
A. offer
B. afford
C. avoid
D. allow.
2.________his parent__________she likes the red car but they can’t afford it.
A. Both, and
B. Not only; but also
C. Neither; nor
D. Either; or
3. -What's
your
hobby?
-I ______________listen to music, but now I enjoy dancing.
A. am used to
B. use to
C. am used D. used to
4. -Now people have to pay some money for ____________bags in supermarkets.
-Yes. Because they are bad for the environment.
A. bin
B. paper
C. cloth
D. plastic
5. -Where did you get these old doors?
-From the old houses which were ______________ by the workers.
A. taken down B. pulled down
C. turned down
D. put down
6. -There are a lot of of____________________ bike riding.
基础
-I agree. It’s good for the environment and it saves money.
A. instructions
B. instruments
C. advantages
D. products
7. A little wine will not be_______________ to your health.Just don't drink too much.
A. helpful
B. helpless
C. harmful
D. harmless
8. - Please remember ___________________ the letter for me, Mike.
-OK, I won’t forget it.
A. post B. posting
C. to post
D. posted
9. David Burt’s dream in China is to go into the west and__________________an early
childhood school there.
A. clean up
B. look up
C. give up
D. set up
10. -Don’t keep the water running while brushing your
teeth.
-Sorry. I forgot to ______________________.
A. turn on it
B. turn it on
C. turn off it
D. turn it off
巩固
1. —Do you want to eat here?
一No. Just fish and chips to___________ , please.
A. put away
B. take away
C. send away
D. throw away
2. -Do you know Amy Hayes?
-Of course. She is the woman who built a house__________________rubbish.
A. by
B. out of
C. from
D. into
3. The singer ____________________while still at school.
A. has discovered
B. was discovered
C. discovered
4. -How much is the ticket to Central Park?
-A one-way ticket _____________$40, and you can________________ another $ 20 for a round-trip ticket.
A. Costs; pay
B. costs; spend
C. pays; spend D. spends; pay
5. I am surprised at the new look of my hometown, for it __________________a lot over the years.
A. changed
B. changes
C. will change
D. has changed
拔高
词汇运用
1. There is a_____________(wood) bridge
over
the
river.
2. __________________(science) discoveries play a part in the development
of
the
world.
3. The
government
should
make
more
____________________(law) to
protect
the
environment.
4. It
is
another____________________
(work)of
the
famous
writer.
5. We
aren’t
able
to
see
the
stars
in
the
sky
clearly.
The
problem
is
that
people
use
too
much
light. And it’s
so
_______________(harm)
to
the
environment.
五课堂小结
重要单词、词组、句型
1. litter 可用作动词或名词，意为“乱扔；垃圾”。litter 表示废弃物(尤其指在公共声所乱扔的废纸)时是不
可数名词.
2. bottom 名词，意为“底部；最下部”。形容词，意为“底部的”。
3. afford 动词，意为“承担得起；买得起”。常构成短语：afford to do sth. 意为“负担得起做某事”。
4. Take part in 意为“参加，参与……活动”。join 多指参加组织，成为其中的一个成员。take part in 指参加
活动。
5. without 是介词，意为“没有”，后面接名词或动名词。
6. Inspiration 名词，意为“灵感；鼓舞人心的人或事物”。
7. creativity 名词，“创造力；独创性”;形容词形式是creative，意为“创造性的，有创造力的”。
8.
pull down 意为“拉下，拆毁”。bring down 意为“拿下；带下；搬下”。
9. Put to good use 意为“好好利用”。
10. Be used
to
be + 形容词/名词（短语）表示“过去存在某种状态”。
used
to
do
sth.意为“过去常常做某事”。
be
used
to (doing) sth. 意为“习惯于（做）某事”。
六课后作业
基础
1. In summer vacation, you can take part in our community activities to put what you’ve learned_______good use.
A. for B. of C. to D. with
2. It’s sunny. Let’s go sightseeing_______________ watching TV in the hotel.
A. thanks to
B. instead of C. as well as
D. instead
3. Remember to ___________the lights when you
leave the room.
A. turn on
B. turn off
C. turn up
D. turn down
4. The workers ____________________the old buildings to build new ones.
A. gave up
B. put down
C. took out
D. puled down
5. I think students should______________ all kinds of activities after class.
A. take part in
B. join
C. take a part in
D. take part to
6. These things are useless to me. Remember to___________
A. throw it away B. throw away it
C. throw them away D. throw away them
7. The company wants to __________________a school for the poor children.
A. put off B. set up C. call in D. look after
8. - Let’s plant some trees first.
- OK. To protect the environment, it is no use talking without_____________.
A. making a decision
B. giving advice
C. taking action
D. learning a lesson
9. - The T-shirt looks nice on you!How much did it___________________？
- I just________________ ten dollars for it.
A. spend; took
B. cost; paid
C. take; cost
D. pay; spent
10. Photos can _______________lots of good memories to people.
A. look like
B. turn into
C. bring back
D. give back
巩固
完成句子
1. 拆房容易建房难
It’s
easier
to_____________ __________houses
than
to build
them.
2. 咱们把碎玻璃扔掉吧，否则它会伤到人。Ilord
Let’s________________ ______________the
broken
glass. Or
it will
hurt
someone.
3. 熬夜对我们的健康不好。
Staying
up
late
is _________
___________ our
health.
4. 爷爷在睡觉，请关掉收音机
Grandpa
is
sleeping.Please
______________ _________________the radio.
5. 在我奶奶眼里什么都有用，她很擅长好好利用它们。
Everything
is
useful
in
my
grandma’s
eyes
and
she’s
very
good
at
_______________them
__________good
use.
拔高
1. Mr. Trump _______________________Miss Hillary and ___________________2016 US presidential election.
A. beat;
won
B. won; beat C. won; won D. beat; beat
2. Nick_________________a job in a bank,but to our surprise,he didn't take it.
A. is offered B. offered
C. was offered
3. My mother ________________isn't in the city.
A. used to live
B. used living
C. used to living
D. used live
4. Mr. Lee has worked here_______________________2009. So he has worked here ____________about 8 years
A. since;
for B. for; since
C. for; for D. in; since
5. - Paul, I’m busy cooking. Can you give a hand?
-Just a minute.
I______________my e-mail.
A. am checking B. will check
C. have checked D. was checking
6. How much does the ticket _________________from Shanghai to Beijing?
A. cost B. take C. spend D. pay
