Unit13Weretryingtosavetheearth!課件英語人教版九年級(jí)全一冊(cè)

Unit13

We’retryingtosavethe

earth!

單元概覽

Section

A(1a-2d)任務(wù)一:

將下列單詞或短語歸類。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任務(wù)二:

請(qǐng)按以上分類補(bǔ)充更多的詞匯。任務(wù)三:

在日常生活中,污染隨處可見。請(qǐng)結(jié)合你的生活環(huán)境,與同伴討論你身邊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,

但是人們把垃圾扔到河里。litter在句中是不可數(shù)名詞,意為“垃圾;廢棄物”。如:Pleasedonotdroplitter.請(qǐng)勿扔垃圾。拓展

litter還可用作動(dòng)詞,

意為“亂扔”。如:

She’s

always

littering

up

her

room

with

her

clothes.

她總是亂扔衣物,

弄得房間凌亂不堪。2.There

are

other

advantages

of

bike

riding.

騎自行車還有其他的好處。advantage是名詞,意為“優(yōu)點(diǎn);有利條件”。如:Whatistheadvantageofdrinkingthiskindofwater?飲用這種水有何好處?Shehadtheadvantageofagoodeducation.她具有受過良好教育的有利條件。拓展

advantage的反義詞是disadvantage。如:

Every

advantage

has

its

disadvantage.

有利必有弊。SectionA(3a-4c)任務(wù):

預(yù)習(xí)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.

我認(rèn)為現(xiàn)在有些商店里塑料袋你們必須付費(fèi)使用是個(gè)非常好的主意。payfor意為“付費(fèi);付出代價(jià)”。如:Shepaidthreedollarsforahamburger.她花了三美元買了一個(gè)漢堡包。辨析

pay,

cost,

spend,

take都有“花費(fèi)”之意,

但用法不同:

(1)pay表示花費(fèi)金錢,

主語是指人的名詞或代詞。其常見用法如下:

①pay

(sb.)

money

for

sth.。如:

I

pay

the

host

1,

000

yuan

for

this

house

every

month.

我每月付給房東1000元房費(fèi)。②pay

for

sth.。如:

You

have

to

pay

for

the

lost

book.

你必須為丟失的書賠錢。③pay

for

sb.。如:

Don’t

worry!

Our

boss

will

pay

for

us.

別擔(dān)心!

我們的老板會(huì)為我們付錢的。④pay

sb.。如:

Do

they

pay

you

every

month?

他們每月付你錢嗎?

⑤pay

money

back。如:

May

I

borrow

12

yuan

from

you?

I’ll

pay

it

back

next

week.

我可以借你12元嗎?

我下周還。⑥pay

off

one’s

money。如:

He

has

paid

off

all

his

debts.

他還清了所有的債務(wù)。(2)cost表示花費(fèi)時(shí)間或金錢,

主語是事物或某種活動(dòng)。其常見用法如下:

①sth.cost(s)

(sb.)+

money。如:

This

second-hand

computer

cost

me

1,

200

yuan.

這臺(tái)二手電腦花了我1200元。②(doing)

sth.cost(s)

(sb.)+time。如:

Doing

the

housework

costs

me

much

time

every

day.

每天做家務(wù)花費(fèi)我很多時(shí)間。溫馨提示

cost的過去式及過去分詞都是cost,并且不能用于被動(dòng)語態(tài)。(3)spend表示花費(fèi)時(shí)間或金錢,

主語必須是指人的名詞或代詞。其常見用法如下:

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費(fèi)很多錢。②spend

time

(in)

doing

sth./spend

money

on

sth.。如:

The

workers

spent

more

than

two

years(in)building

this

bridge.

工人們用了兩年多的時(shí)間建這座橋。(4)take表示花費(fèi)時(shí)間,

后面常跟雙賓語。其常見用法如下:

①It

takes/took

sb.+

some

time

+to

do

sth.。如:

It

took

them

nearly

five

years

to

finish

the

project.

他們用了近五年的時(shí)間完成這個(gè)項(xiàng)目。②doing

sth.takes/took

sb.+

some

time。如:

Repairing

this

car

took

him

the

whole

afternoon.

修理這輛汽車用了他整個(gè)下午的時(shí)間。SectionB(1a-1e)根據(jù)圖片內(nèi)容,完成下面的任務(wù)。

任務(wù)一:

將下列短語與相應(yīng)的圖片匹配。1.turnoffthelight

2.recyclepaperandplasticbags

3.savewater

4.walktoschool

DABC任務(wù)二:

根據(jù)圖片A,完成下面的對(duì)話,每空詞數(shù)不限。A:Ithinkweshould1._______________________________.

B:I2.

you.Itcankeepourenvironmentcleanandsaveresources.

任務(wù)三:

利用其余的三幅圖片,仿照上面的對(duì)話,編寫類似的對(duì)話。recyclepaperandplasticbagsagreewith

略

SectionB(2a-3b)任務(wù):

預(yù)習(xí)SectionB2b,完成下面的表格。

RubbishAhouseOldclothesBagsWangTaoIronandothermaterialsfromoldcarsHave

you

ever

thought

about

how

these

things

can

actually

be

put

to

good

use?

你曾經(jīng)考慮過這些東西究竟是怎樣才能被好好利用的嗎?

putsth.togooduse意為“好好利用”。如:Herteachingexperienceisbeingputtogooduseinourschool.她的教學(xué)經(jīng)驗(yàn)正在我們學(xué)校被很好地加以利用。Alltheworkersareverygladtoputthenewmachinetogooduse.所有的工人都非常高興地將新機(jī)器投入使用。SelfCheck任務(wù):

根據(jù)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