Unit13We'retryingtosavetheearth!SectionA課件人教版英語九年級全冊

Unit

13

We're

trying

to

save

the

earth!Section

A&1&

bottom的用法

【教材原文】Even

the

bottom

of

the

river

was

full

of

rubbish.甚至河底都布滿了垃圾。

bottom作名詞，意為“底部；最下部”，其反義詞是top，意為“頂端；頂部”。常用短語：（at）

the

bottom

of

（在）……的底部；from

top

to

bottom從上到下;徹底地。例如：

We

cleaned

the

house

from

top

to

bottom.我們把房子徹底打掃了一遍?！緦c練】

My

teacher

has

given

me

some

useful

suggestions

and

I

want

to

thank

him

from

the

________

of

my

heart.(

)AA.

bottom

B.

condition

C.

way

D.

surface&2&

play

a

part

in的用法

【教材原文】Everyone

in

this

town

should

play

a

part

in

cleaning

it

up!

這個鎮(zhèn)上的每個人都應(yīng)該參與清理它！

play

a

part

in當(dāng)意為“參與”時，

相當(dāng)于“take

part

in”；當(dāng)意為“在……方面起作用;扮演角色”時，相當(dāng)于“play

a

role

in”。例如：

Everyone

should

play

a

part

in

saving

the

earth.我們每個人都應(yīng)該參與拯救地球?！緦c練】

We

should

play

a

part

in__________（protect）

the

environment.protecting&3&

cut

down的用法

【教材原文】Well，to

cut

down

air

pollution，we

should

take

the

bus

or

subway

instead

of

driving.嗯，為了減少空氣污染，我們應(yīng)該乘坐公共汽車或地鐵，而不是開車。（1）cut

down為“動詞+副詞”結(jié)構(gòu)的短語，在此處意為“減少”。其后接的賓語如果為名詞，位于down的前面或后面均可；如果賓語為代詞，只能位于down的前面。（2）cut

down還可意為“砍倒”。【對點練】

如果你想攢錢，你應(yīng)該減少不必要的開支。If

you

want

to

save

money，you

should

____

______

unnecessary

expenses.cutdown&4&

advantage的用法

【教材原文】There

are

other

advantages

of

bike

riding.騎自行車還有其他好處。

advantage作名詞，意為“優(yōu)點；有利條件”，其反義詞為disadvantage，意為“缺點；不利條件”。advantage前不可用good，helpful，useful等詞來修飾。take

advantage

of…意為“利用……”?！緦c練】

網(wǎng)上購物有很多優(yōu)點。____________________________________Online

shopping

has

many

advantages.&5&

make

a

difference的用法

【教材原文】So

together,our

actions

can

make

a

difference

and

lead

to

a

better

future!因此，我們齊心協(xié)力就能帶來變化，創(chuàng)造更加美好的未來。

make

a

difference為固定短語，其后常接介詞to，make

a

difference

to意為“對……產(chǎn)生影響或作用”，difference前可用much，big等詞修飾，表示受影響的程度?！緦c練】

有時候一個小小的行動能改變一個人的生活。_____________________________________________________________Sometimes

a

small

action

can

make

a

difference

to

a

person's

life.&6&

harmful的用法

【教材原文】This

is

not

only

cruel，but

also

harmful

to

the

environment.這不僅殘忍，而且還對環(huán)境有害。

harmful是形容詞，意為“有害的”，可構(gòu)成短語be

harmful

to，意為“對……有害”。

【拓展】harm是harmful的名詞形式，意為“傷害；損害”，可構(gòu)成短語do

harm

to，意為“對……有害”，相當(dāng)于be

harmful

to。例如：

Reading

in

bed

does

harm

to

our

eyes.=Reading

in

bed

is

harmful

to

our

eyes.躺在床上看書對我們的眼睛有害?！緦c練】

Eating

junk

food

is

harmful

to

our

health.（改為同義句）Eating

junk

food_____

______

___

our

health.doesharmto&7&

afford的用法

【教材原文】Yes，we

can't

afford

to

wait

any

longer

to

take

action！是的，我們不能等待更長的時間來采取行動了。

afford作動詞，意為“（從時間、財力、精力等方面）省出；抽出；負(fù)擔(dān)得起……；買得起……”，常與can或be

able

to連用，常用結(jié)構(gòu)為can/be

able

to

afford

sth.和can/be

able

to

afford

to

do

sth.。

例如：

Can

you

afford

to

go

out

for

a

picnic

this

weekend？這個周末你能抽出時間去野餐嗎？【對點練】

The

poor

father

couldn't

afford

_______（pay）

for

his

son's

education.to

payⅠ.請根據(jù)課本2a和2b判斷下列句子正誤。正確的填“T”，錯誤的填“F”。1.They

were

talking

about

environmental

problems.(

)T2.Jason

and

Susan

can

often

see

blue

skies

now.(

)F3.Susan

thought

more

cars

caused

the

air

pollution.(

)T4.Jason

thought

there

wasn't

too

much

rubbish

in

the

streets.(

)F5.They

will

talk

about

what

they

can

do

next.(

)TⅡ.請根據(jù)課本3a回答問題。6.What

does

the

writer

think

of

people

cutting

off

shark

fins?____________________________________________________It

is

not

only

cruel,but

also

harmful

to

the

environment.7.What

will

happen

if

the

numbers

of

sharks

drop

too

low?___________________________________It

will

bring

danger

to

all

ocean

life.8.How

many

sharks

are

caught

and

traded

in

this

industry

every

year?_______________________________________________________________________________________Around

70

million

sharks

are

caught

and

traded

in

this

industry

every

year./Around

70

million.9.What

are

environmental

protection

groups

around

the

world

doing?___________________________________________They

are

teaching

the

public

about

“finning”.10.Are

shark

fins

good

for

health

according

to

the

passage?_______________No,they

aren't.Ⅲ.請根據(jù)課本3a完成短文填空。

Many

have

heard

of

shark

fin

soup.But

do

you

know

that

you're

11.

.

a

whole

shark

each

time

you

eat

a

bowl

of

shark

fin

soup?

Many

people

caught

12.

.

only

for

their

fins.They

cut

13.

.

their

fins

and

throw

the

sharks

back

into

the

ocean.This

is

not

only

cruel,but

14.

.

harmful

to

the

environment.15.

.

a

fin,a

shark

can

no

longer

swim

and

slowly

dies.killingsharksoffalsoWithout

Many

people

believe

that

sharks

can

never

get

endangered

16.