Unit13Weretryingtosavetheearth!课件英语人教版九年级全一册

Unit13

We’retryingtosavethe

earth!

单元概览

Section

A(1a-2d)任务一:

将下列单词或短语归类。chimneys,factories,mobilephones,planes,motorvehicles,motorcycles,loudmusic,smoking,littering,buildinghouses,liquidwastes1.airpollution:________________________________________________________2.noisepollution:________________________________________________________3.waterpollution:________________________________________________________chimneys,factories,planes,motorvehicles,motorcycles,smoking,littering,buildinghousesfactories,mobilephones,planes,motorvehicles,motorcycles,loudmusic,buildinghousesfactories,littering,liquidwastes任务二:

请按以上分类补充更多的词汇。任务三:

在日常生活中,污染随处可见。请结合你的生活环境,与同伴讨论你身边的污染源及合理的治理措施。略

略

1.Yes,

but

people

are

throwing

litter

into

the

river.

是的,

但是人们把垃圾扔到河里。litter在句中是不可数名词,意为“垃圾;废弃物”。如:Pleasedonotdroplitter.请勿扔垃圾。拓展

litter还可用作动词,

意为“乱扔”。如:

She’s

always

littering

up

her

room

with

her

clothes.

她总是乱扔衣物,

弄得房间凌乱不堪。2.There

are

other

advantages

of

bike

riding.

骑自行车还有其他的好处。advantage是名词,意为“优点;有利条件”。如:Whatistheadvantageofdrinkingthiskindofwater?饮用这种水有何好处?Shehadtheadvantageofagoodeducation.她具有受过良好教育的有利条件。拓展

advantage的反义词是disadvantage。如:

Every

advantage

has

its

disadvantage.

有利必有弊。SectionA(3a-4c)任务:

预习SectionA3a,完成下面的表格。

southernChinacatchsharkscutoffthrowthembackinto70millionover90percentTodeveloplawsI

think

it’s

a

great

idea

that

you

now

have

to

pay

for

plastic

bags

in

some

stores.

我认为现在有些商店里塑料袋你们必须付费使用是个非常好的主意。payfor意为“付费;付出代价”。如:Shepaidthreedollarsforahamburger.她花了三美元买了一个汉堡包。辨析

pay,

cost,

spend,

take都有“花费”之意,

但用法不同:

(1)pay表示花费金钱,

主语是指人的名词或代词。其常见用法如下:

①pay

(sb.)

money

for

sth.。如:

I

pay

the

host

1,

000

yuan

for

this

house

every

month.

我每月付给房东1000元房费。②pay

for

sth.。如:

You

have

to

pay

for

the

lost

book.

你必须为丢失的书赔钱。③pay

for

sb.。如:

Don’t

worry!

Our

boss

will

pay

for

us.

别担心!

我们的老板会为我们付钱的。④pay

sb.。如:

Do

they

pay

you

every

month?

他们每月付你钱吗?

⑤pay

money

back。如:

May

I

borrow

12

yuan

from

you?

I’ll

pay

it

back

next

week.

我可以借你12元吗?

我下周还。⑥pay

off

one’s

money。如:

He

has

paid

off

all

his

debts.

他还清了所有的债务。(2)cost表示花费时间或金钱,

主语是事物或某种活动。其常见用法如下:

①sth.cost(s)

(sb.)+

money。如:

This

second-hand

computer

cost

me

1,

200

yuan.

这台二手电脑花了我1200元。②(doing)

sth.cost(s)

(sb.)+time。如:

Doing

the

housework

costs

me

much

time

every

day.

每天做家务花费我很多时间。温馨提示

cost的过去式及过去分词都是cost,并且不能用于被动语态。(3)spend表示花费时间或金钱,

主语必须是指人的名词或代词。其常见用法如下:

①spend

time/money

on

sth.。如:

Girls

usually

spend

a

lot

of

money

on

clothes.

女孩通常在衣服上面花费很多钱。②spend

time

(in)

doing

sth./spend

money

on

sth.。如:

The

workers

spent

more

than

two

years(in)building

this

bridge.

工人们用了两年多的时间建这座桥。(4)take表示花费时间,

后面常跟双宾语。其常见用法如下:

①It

takes/took

sb.+

some

time

+to

do

sth.。如:

It

took

them

nearly

five

years

to

finish

the

project.

他们用了近五年的时间完成这个项目。②doing

sth.takes/took

sb.+

some

time。如:

Repairing

this

car

took

him

the

whole

afternoon.

修理这辆汽车用了他整个下午的时间。SectionB(1a-1e)根据图片内容,完成下面的任务。

任务一:

将下列短语与相应的图片匹配。1.turnoffthelight

2.recyclepaperandplasticbags

3.savewater

4.walktoschool

DABC任务二:

根据图片A,完成下面的对话,每空词数不限。A:Ithinkweshould1._______________________________.

B:I2.

you.Itcankeepourenvironmentcleanandsaveresources.

任务三:

利用其余的三幅图片,仿照上面的对话,编写类似的对话。recyclepaperandplasticbagsagreewith

略

SectionB(2a-3b)任务:

预习SectionB2b,完成下面的表格。

RubbishAhouseOldclothesBagsWangTaoIronandothermaterialsfromoldcarsHave

you

ever

thought

about

how

these

things

can

actually

be

put

to

good

use?

你曾经考虑过这些东西究竟是怎样才能被好好利用的吗?

putsth.togooduse意为“好好利用”。如:Herteachingexperienceisbeingputtogooduseinourschool.她的教学经验正在我们学校被很好地加以利用。Alltheworkersareverygladtoputthenewmachinetogooduse.所有的工人都非常高兴地将新机器投入使用。SelfCheck任务:

根据首字母提示完成短文。It’sourdutytokeeptheenvironmentcleanandtidy.Youmightaskyourself,“HaveIeverpickedupsomerubbishand1.t

itintoabin?HaveIevercollectedwastepaperorbottlesfor2.r

?HaveIeverplantedanytreesorflowersinornearmy3.n

?”Ifyouranswersare“Yes”,itmeansthatyouhavealreadydonesomething4.u

toimprovetheenvironment.Ifeveryonedoessomethingto5.p

theenvironment,theworldwillbecomemoreandmorebeautiful.

hrownecyclingeighborhoodsefulrotectWays

to

cut