Unit13SectionA（3a4c）课件人教版英语九年级全一册

Period

2

Section

A（3a-4c）单词名词（n.）1.鲨鱼______2.（鱼）鳍____3.链子；链条______4.生态系统__________5.工业；行业________6.法律；法规_____7.运输业；交通运输_____________动词（v.）8.承担得起（后果）；买得起_______sharkfinchainecosystemindustrylawtransportationafford单词形容词（adj.）9.残酷的；残忍的______10.科学上的；科学的_________11.有害的________12.可重复使用的；可再次使用的________cruelscientificharmfulreusable续表短语13.对……有害_______________14.在……顶部或顶端_______________15.食物链______________16.参加____________17.关掉________18.pay

for________________19.take

action__________20.begin

with…____________21.save

electricity__________22.not…any

longer__________be

harmful

to…at

the

top

of…the

food

chaintake

part

inturn

off付费；付出代价采取行动以……开始节约用电不再……续表重点句型23.但事实上，

每年大约七千万条鲨鱼被抓来用作商业交易。But

_______,

around

70

million

sharks

____________________

in

this

industry

every

year.24.有些种类的鲨鱼数量在过去的二三十年里，

下降了百分之九十以上。_______________

some

kinds

of

sharks

___________

by

over

90

percent

in

the

last

20

to

30

years.in

factare

caught

and

tradedThe

numbers

ofhave

fallen续表重点句型25.到目前为止，

没有科学研究表明鱼翅对健康有益，

那么为什么要吃它们呢？_______，no

scientific

studies

have

shown

that

shark

fins

__________________，so

why

eat

them?26.我们应该帮助拯救鲨鱼。We

should

__________

the

sharks.27.我们不能再等下去了，该采取行动了。We

can't

afford

to

wait

any

longer

_____________.So

farare

good

for

healthhelp

saveto

take

action续表Many

people

have

heard

of

shark

fin

soup.

This

dish

is

especially

.in

southern

China.

Do

you

realize

that

you

are

killing

a

whole

shark

.time

you

enjoy

a

bowl

of

shark

fin

soup?

When

阅读课本P99－3a的文章，请从方框内选择适当的词并用其正确的形式填空，使文章完整连贯。注意每空一词，每词仅用一次，有两词为多余项。12difference

atsale

and

even

public

famous

danger

they

fall

but

eachpeople

catch

sharks,

they

cut

off

.

fins

and

throw

the

sharks

back

into

the

ocean.

This

is

not

only

cruel,

.

also

harmful

to

the

environment.

Sharks

are

.

the

top

of

the

food

chain

in

the

ocean's

ecosystem.

If

their

numbers

drop

too

low,

it

will

bring

to

allocean

life.

The

numbers

of

some

kinds

of

sharks

have

.

by

over

90

percent

in

the

last

20

to

30

years.

Environmental

protection

34567groups

are

teaching

the

.

about“finning”.They

have

asked

governments

to

develop

laws

to

stop

the

of

shark

fins.

Help

save

the

sharks!publicevensale

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

famouseachtheirbutatdangerfallen89101.This

is

not

only

cruel,

but

also

harmful

to

the

environment.（P99，3a）这种方法不但残忍，而且对环境有害。知识探究

harmful是______词，

意思为“________”。常构成短语_____________

“对……有害的”。

harm是____词，

意思为“______”。常用短语___________“对……有害”，

相当于_____________。形容有害的be

harmful

to名害处do

harm

tobe

harmful

to即学即练

经常熬夜对你的健康有害。Staying

up

often

_____

______

___

your

health.=Staying

up

often

___

________

___

your

health.doesharmtoisharmfulto拓展提升

not

only…but（also）…不仅……而且……，also可以省略。连接一个句子时，若连接两个成分作主语，

其谓语通常与靠近的主语保持一致（就近原则）。not

only位于句首时，

其后的主谓要部分倒装，

即根据主语的人称和数以及时态的变化，

将不同的助动词提到主语前，

需要注意的是but（also）

后面的主谓不用倒装。活学活用（1）

她在课堂上和家里都说英语。She

speaks

English

_________

in

class

________

at

home.not

onlybut

also（2）

不仅她的父母，

而且她都喜欢看足球比赛。Not

only

her

parents

but

also

she

___

fond

of

watching

football

matches.is（3）

我阿姨不仅在学校教书，而且还为报纸写文章。Not

only

_____

my

aunt

teach

at

school,

but（also）

she

_______

articles

for

newspapers.doeswrites（4）

—________

Nick

________

Lisa

is

coming

to

your

birthday

party.—Yeah,

I'm

happy

that

they

are

both

free

tomorrow.(

)BA.

Both；and

B.

Not

only；but

alsoC.

Neither；nor

D.

Either；or2.Have

you

ever

taken

part

in

an

environmental

project?（P100，4a）你曾经参加过环境保护活动吗？知识探究

take

part

in意思为“______”，与短语_______意思相近。

如：You

don't

need

too

much

strength

to

take

part

in

this

sport.参加这项运动不需要太多的体力。参加join

in3.We

can't

afford

to

wait

any

longer

to

take

action！（P100，4a）我们不能再等待，该采取行动了。知识探究

afford

意思为“__________________”常与情态动词_________连用，afford后可接____词或动词________作宾语。买得起；承担得起can/can't名不定式即学即练（1）

我们付不起这个价钱。We

______________

pay

such

a

price.can't

afford

to（2）

I

can't

afford

________

him

an

expensive

birthday

present.(

)AA.

to

buy

B.

buying

C.

for

buying

D.

buy4.…save

electricity

by

turning

off

the

lights

when

you

leave

a

room.（P100，4b）……当你离开房间时，你可以通过关灯节约用电。知识探究

turn

off

意思为“______”（煤气、水；电灯；电脑等），反义词是________。关闭turn

on即学即练

Would

you

please

________

the

light?

I

can't

sleep

well

with

it

on.(

)BA.

turn

on

B.

turn

off

C.

turn

down

D.

turn

up一、根据所给中文或英文提示填写适当形式的单词，使句子完整。1.

The

government

should

develop

_____

（法律）

to

protect

the

environment.laws2.

I

can't

_______

（买得起）

this

big

house.

It's

too

expensive.afford3.

Developed

countries

have

different

kinds

of

_________

（工业）.industries4.

According

to

_________

（science）

studies,doing

sports

can

make

people

happy.scientific5.

Polluted

air

is

________

（harm）

to

our

health.harmful二、根据所给的中文完成以下句子。1.

我们必须采取行动来阻止他们。We

must

___________

to

stop

them.take

action2.

猎杀太多的狼对食物链有害。Killing

too

many

wolves

_____________

the

food

chain.is

harmful

to3.

我们班大部分学生都参加过科学小组。Most

of

the

students

in

our

class

_____

already

_____________

the

scientific

group.havetaken

part

in4.

在小山的山顶有棵大树。There

is

a

big

tree

_____________

the

hill.at

the

top

of5.

他对别人做了错事，

将来他会为此付出代价的。He

did

something

wrong

to

others,

and

he

will

________

it

in

the

future.pay

for三、课时短语运用。（请用方框中短语的恰当形式完成以下五个句子，其中两个短语多余）hear

of

each

time

cut

off

not

only…but

also…

be

har