Unit 13 We are trying to save the earth!教案及练习题

Unit 13 We are trying to save the earth!

教案及练习题

Unit 13 e

’

re tring t save the earth!

一、教学目标：

1

语言知识目标

基本词汇：

litter, advantage, btt, fisheran, al, ugl, st, den, plasti, taeaa, bin,

shar, fin, ethd, ruel Harful, hain, esste, industr, la, sientifi, affrd, reusable,

transprtatin, rele, napin, upside, gate, bttle, president, inspiratin, irn, r, etal,

reativit,

基本词组：

be harful t, at the tp(f sth), tae part in, turn ff, tae atin, thr aa,

put sth t gd use, pull… dn, bring ba

基本句型：

e

< br>’

re tring t save the earth!

The river used t be s lean

The air is badl plluted

N sientifi studies have shed that shar fins are gd fr health

e shuld help save the shars

2

技能目标

:

能正确运用现在进行时，现在完成时，被动语态，情态

动词和

used t

句型。

3

情感目标

:

有环境危机意识，学会关注环境保护环境。

二、教学重难点：

1

教学重点：

（

1

）能正确运用现在进行时，现在完成时，被动语态，

情态 动词和

used t

句型。

（

2

）保护 环境的措施方法。

2

教学难点：能 正确运用现在进行时，现在完成时，被动语态，情态

动词和

us ed t

句型。三、教学步骤

:

Setin A 1 (1a-2d)

I Presentatin

Sh the piture f the earth and tell students the earth is plluted n

Fr exaple: (1) The fatries that burn al pllute the air ith a lt f bla se

(2) Fatries put aste int the river

(3) Peple shuld thr aa litter in the bin

(4)There are re ars n the rad

II Learning

Here are se rds related t different inds f pllutin rite the in the bx bel Then

add re rds

lud usi ars rubbish planes littering ships fatries sing building huses bile

phnes

nise pllutin air pllutin ater pllutin

____________ ___________ _____________

____________ ___________ _____________

____________ ___________ _____________

____________ ___________ _____________

es : nise pllutin lud usi planes bile phnes building huses

air pllutin fatries sing ars building huses

ater pllutin ships rubbish littering fatries

III Listening

1 1b Listen and plete the sentenes

hat

as

the

prble?The

river

as

_____________

Even

the

btt

(

底部

)

f

the

river as full f ________ There ere n re ______ fr fisheren (

渔民

) t ath

hat

aused

the

prble?Peple

are

thring

_______

int

the

river

Fatries

are

putting ______ int the river

H shuld the prble be slved?

e

shuld

rite

t

the

____________

and

as

the

t

___________

the

fatries

Everne shuld help t __________ the river

es: reall dirt rubbish fish litter aste gvernent

lse dn lean up

2 Listen again and he (√) the sentenes u hear

1) e uld g fishing in the river

2) The river as reall dirt

3) The river has alas been the niest river in this tn

4) e shuld as the teahers fr help

es: 2 3

IV Pratie

1 Rle- pla the nversatin in 1

ar: The river as dirt Even the btt f the river as full f rubbish

Tn: But it used t be s lean!

ar: es, but peple are thring litter int the river

Tn: Everne in this tn shuld pla a part in leaning it up!

2 ae nversatins using the pllutin in 1a

A: The river has alas been the niest river in this tn

B: es, it used t be s lean

A: But I as there last eeend and the river as reall dirt

B: hat aused the prble?

A: Peple are thring litter int the river

B: hat shuld e d?

A: Fatries are als putting aste int the river

B: es, everne in this tn shuld pla a part

A: e shuld rite t the gvernent and as the t lse dn the fatries

B: hat else an e d?

A: Everne shuld help t lean up the river

V Language pints

1 e

’

re tring t save the earth!

我们正在竭尽全力拯救地球

!

tr t d =tr ne

’

s best t d

努力去做某事。

eg Ever student shuld tr t stud hard in rder t stud in a universit

为了进入大学学习，每个学生都应该努力学习。

2 Here are se rds related t different inds f pllutin

be related t

与

…

有关

eg I a nt related t hi in an a

我和他无任何关系。

3 Everne in this tn shuld pla a part in leaning it up!

pla a part in

在

……

方面起作用

eg A gd diet plas a large part in helping peple live lnger

健康的饮食在帮助人们长寿方面起着非常大的作用。

pla a part

在

……

中扮演角色

eg He as invited t pla a part in this TV pla

他被邀请参加这个电视剧的演出。

4 Even the btt f the river as full f rubbish

es, but peple are thring litter int the river

litter

和

rubbish

都可指

“

垃圾

”

，用作不可数名词。

rubbish