内容正文:
Unit 13
We're trying to save the earth!
课时1 Section A(1a~2d)
重点知识
这个短语中的to是介词,所以在to后须接
名词或动名词。
1.try to do sth.动词短语,意为“努力或尽力去
eg:I found it difficult at first,but soon got
做某事”。
used to it.
eg:We tried to help the people in need.
起先我觉得很难,但不久就习惯了。
我们设法帮助有需要的人们。
I am used to walking because I haven't
易错提示辨析try to do sth..与try doing sth.
got a car.
try to do sth.表示“试图做某事,想要做某事,
我习惯步行,因为我没有汽车。
尽自己最大能力做某事”,相当于try one's best
3.辨析litter,rubbish与garbage
to do sth.而try doing sth.表示“尝试着做某事”。
eg:He tried to find out the answer to the
litter
指随手丢弃的垃圾。
question,but failed.他努力地去寻找这个
指体积较小的废弃物,也指专门
rubbish
问题的答案,但没找到。
收集起来需要处理的垃圾。
You always go there by train.Why not try
指生活中的垃圾,主要指厨房里
taking a bus for a change?你总是坐火车
garbage
的剩菜、剩饭或不能再用的食材。
去那里。为什么不试试坐公共汽车呢?
知识拓展try构成的短语有:
eg:Please clear up the litter before you leave
try sth.on试穿
the office.
try out sth.试验、检验
请你离开办公室前把这堆废弃物清理掉。
try for sth.试图获得某物
You'd better not throw the rubbish on the
have a try试一试
ground.你最好不要把垃圾扔在地上。
2.辨析used to do与be used to doing
Don't forget to take out the garbage after
(l)used to do意为“过去常常做…”。
dinner..晚饭后不要忘了倒垃圾。
eg:We used to burn candles to give light.
4.play a part in参与
我们过去用蜡烛照明。
in为介词,后接名词、代词或动词的-ing形式。
There used to be a green field here.Now
eg:I want to play a part in saving the earth.
there's a supermarket.
我想参与拯救地球(的行动)。
这儿过去是一片绿色田野,现在是超级
He was invited to play a part in this TV
市场。
play.
(2)be used to doing意思是“习惯于
他被邀请在这部电视剧中担任角色。
做…”,相当于be accustomed to doing。
基础巩固
一、根据句意和首字母提示完成单词。
To
air pollution,we
1.I love my mom from the b
of my
should take the bus or subway
of
heart.
driving.
2.You can't drop I
in the park.
15.我们的行动能产生影响,带领(我们)走向
3.The u
duckling became a beautiful
更加美好的未来。
swan.
Our actions can make a
and
4.Taking the subway c
me five yuan.
to a better future.
5.People should use paper or reusable bags
四、用适当的内容补全对话。
instead of p
bags.
Jimmy:Look!How busy the traffic is!And
二、用所给词的适当形式填空。
what a bad smell it is producing!
6.There are many
Alison:Yeah,the pollution is getting more and
(ship)at the sea.
7.Look at that
(wood)furniture.It's
more serious.We are supposed to do
something to
(16)the
so beautiful.
environment.
8.He has a
(advantage)that he is
Jimmy:But we are just students.What can we
always being late.
do?
9.The water in this river is badly
Alison:Well,a lot of things.First of all,we
(pollute)because of the chemistry factory.
should try to use water as
10.Remember
(turn)off the light
(7 as possible.
when you leave the room.
Jimmy:Well,how can we do that?
三、根据汉语完成句子。
Alison:
(18)using less water
11.每个人都应该参与清理它。
when we wash dishes,take a bath,
Everyone should
a
in
water the plants and so on.
cleaning it up.
Jimmy:Oh,I think I can do that.
12.我曾经能够在天空中看到星星。
19)?
to
able to see stars in
Alison:We're not supposed to drop litter
the sky.
everywhere because it makes our
13.你对于解决这些问题的想法是什么呢?
environment awful.
What are your ideas
Jimmy:I think so.What's more,ride a bike or
these problems?
walk to school if necessary.It'll make
14.为了减少空气污染,我们应该乘坐公交车
less air pollution,I think.
或地铁来替代开车。
Alison:I agree.At the same time,we shouldn't
throw waste paper about.You know
Jimmy:I agree.If everyone makes a
waste paper is important.And we'd
contribution to our environment,it
better
(20)the lights
will get better and better.
when we leave the room.
Alison:Yes.Let's work together.
能力提升
一、用适当的介词或副词填空。
10.We should keep the classroom
1.Waste water is thrown
the river.
A.cleaning
B.cleaned
2.We plan to clean
the city park this
C.cleans
D.clean
Saturday.
三、句型转换。
3.What
taking a bus to the cinema?
11.The city used to be clean..(改为一般疑问句)
4.I like simple things
reading and
the city
running.
clean?
5.Bill's hard work certainly led
his
12.We should take good care of the baby
when its mother is out.(改为被动语态)
success.
The baby
二、单项选择。
when its
6.She
to learn English this term,
mother is out.
and she made great progress.
13.Too much rubbish and waste turn the
A.tried out
B.tried her best
beautiful places into ugly ones.(改为被动
C.tried again
D.try on
语态)
7.The boy
shy but now he
Beautiful places
being in front of people.
ugly ones by too much rubbish and waste.
A.used to be;is used to
14.We take the bus to school every day.We
B.used to being;is used to
do not ride bikes.(合并为一句)
C.is used to be;used to
We take the bus to school every day
D.is used to being;used to
8.Look at the girl
is interviewing
15.Remember to bring your schoolbag when
our school headmaster.She is my sister.
you go to Grandpa's.(改为同义句)
A.what
B.who
C.which
D.whose
your schoolbag when you go to Grandpa's.
9.
homework makes my sister very
四、短文填空。
worried.
Environmental pollution is one of the
A.Much too
B.Many too
most serious problems.Pollution has a bad
C.Too much
D.Too many
(16)/'Influans/on our life.
With the d
(17)0f
modern
to the whole school!
industry,
environmental
pollution
is
No-car day.
increasing quickly.More and more factories
On a no-car day,nobody comes to school
a8》(生产,制造)waste gas.The air
in a car-not the students and not the
is becoming dirtier and
(1),and it
teachers!Cars give pollution to our air,so
affects so many people's health.Air pollution
remember:
can cause b
(20)problems and even
Walk,jump,bike or run.
cancer.
Use your legs!It's lots of fun!
The increase in the number of industries
Turn off the water!
has caused the water problems,too.There
Do you know that some toilets can waste
are more and more chemical factories
twenty to forty liters of water an hour?In a
(waste water into rivers and lakes.
year,that would fill a small river!In
Water pollution kills fish and other living
environment clubs,students mend those
things.
broken toilets.
Noise pollution is also h
(22)t0
We love our environment.Let's work
people's health.It
(23)(打扰)people
together to make it clean.
and many people can't sleep well at night.It
26.Environment clubs ask students
can make people
(2)/def/and they
A.to run to school every day
may have hearing loss.
B.to take exercise every day
I hope the government can take
(25)
C.not to forget to take cars
(措施)to protect our environment in many
D.not to throw away lunch bags
ways.
27.From the passage,we know the students
五、阅读理解。
usually have lunch
In most parts of the world,many
A.at school
B.in shops
students help their schools make less
C.in clubs
D.at home
pollution.They join“environment clubs”.In
28.On a no-car day,
will take a car
an environment club,people work together to
to school.
make our environment clean.
A.both students and teachers
Here are some things students often do.
B.only students
No-garbage lunches.
C.neither students nor teachers
How much do you throw away after
D.only teachers
lunch?Environment clubs ask students to
29.The writer wrote the passage to ask
bring their lunches in bags that can be used
students to
again.Every week they will choose the classes
A.clean schools B.make less pollution
that make the least garbage and report them
C.join clubs
D.help teachersUnit 13
3 We're trying to save
the earth
课时1 Section A(1a~2d)
基础巩固
-、1.bottom
2.litter
3.ugly
4.costs
5.plastic
二、6.ships
7.wooden
8.disadvantage
9.polluted
10.to turn
三、1l.play;part
12.used;be
13.for solving
14.cut down;instead
15.difference;lead
四、l6.protect/,save
17.little
18.By
19.What else
20.turn off
能力提升
-1.into 2.up 3.about 4.like 5.to
二、6.B点拨:try out意为“试验”,try her
best意为“尽她最大努力”,try again意
为“再试一遍”,try on意为“试穿”。句
意为“这学期她尽最大努力学习英语并
取得很大进步”。
7.A8.B9.C10.D
三、l1.Did;use to be
12.should be taken good care of
13.are turned into
14.instead of riding bikes
15.Don't forget to bring
四、l6.influence
17.development
18.produce
19.dirtier
20.breathing
21.pouring
22.harmful
23.disturbs
24.deaf
25.measures
五、26.D27.A28.C29.B
课时2 Section A(3a~4c)
基础巩固
-、l.chain
2.afford
3.harmful
4.industry
5.Scientific
二、6.A7.B8.C9.B10.B
三、l1.especially popular
12.realize;each/every time
13.no longer
14.everyone should use public transportation
15.add up
四、16.E17.D18.B19.F20.A
能力提升
-、l.harmful
2.lawyer
3.scientific
4.reusable
5.environmental
二、6.are trying
7.used
8.endangered
9.have become
10.eat
三、11.A12.B13.A14.C15.C
四、16.A点拨:根据上句“Our natural
resources are limited(有限的).”可知,
自然资源是有限的,不会永远延续下去。
last意为“持续,延续”,符合语境。故
选A。
17.B点拨:句意为:有些资源是可再生的,
如当你砍下一棵树,就要栽一棵树。cut
down意为“砍下”,符合语境,与“plant'”
相对应。故选B。
18.C点拨:根据常识可知,煤通常深埋在地
下,故此处是指从地下挖出煤。故选C。
19.D点拨:句意为:人们意识到地球上的
自然资源是有限的这个事实…自然资
源有限是个事实,故用fact,选D。