Unit7 Protect the Earth单元整体设计

第一课时

【教材分析】

本部分

Storytime

围绕话题

“

保护地球

”

主要学习句型

use…t o…

和情态动词

should

的用法。

本部分分篇章由四个段落构成，分别介绍了地球上的淡水、石油和煤炭、树木和塑料等资 源

或材料的用途及使用情况，并根据它们各自的现状提出了保护地球的一些建议。

【教学目标】

1.

知识目标

①学生能初步理解并且会听、会说、会读和会拼写单词及词组：

use

，

much

，

oil

，

glass

等，

和会 运用句型：

we use...to...

②学生能初步听懂 并且会说、

会读单词

protect the Earth

，

coal

，

sa ve energy, comefrom

，

cut down

，

waste water

，

reuse

，

plastic, wood, toomuch, useful

等。

③学生能初步感知情态动词

should

及< /p>

shouldn’t

的用法

2.

能力目标

①通过学习，绝大部分学生能流畅地朗读课文。

②能利用本课词汇、句型展开语言交际，开展保护地球的小活动。

3.

情感目标

学生能感知保护环境的重要性。

【教学重点】

①学生能初步能理解并 且会听、会说、

会读和会拼写单词及词组：

use

，

much

，

oil

，

glass

等，

和 会运用句型：

we use...to...

②学生能初步感 知情态动词

should

及

shoul dn’t

的用法

【教学难点】

学生能初步感知情态动 词

should

及

shouldn’t

的用法

【课堂活动】

Step1Pre- reading

1. Lead-in

T: Good morning, boys and girls.

Ss: Good morning, Mr Liu..

T: Today I bring you a short story about ananimal. Look,

what’s

this?

S:

It’s

a bird.

T: Yes.

Let’s

watch the cartoon. Afterwatching it, please tell me: What can you see in the cartoon?

T: What can you see in the cartoon?

S: I can see a river?

T: Is the river clean?

S: No,

it’s

dirty.

……

T: How do you feel about the cartoon?

S:

…

T: Yes. There are so many bad things. Whodid these bad things?

Ss: People.

T: What do you want to say to these people?

Ss:

…

T: Yes. We should protect the Earth, right?

Ss: Yes.

T: So today

we’re

going to learn Unit 7Protect the Earth.

(

揭题，带领学生读课题

)

2. Thinkand say

T: Look, this is the Earth. What do youknow about the Earth?

Ss:

…

(

展示地球多年前的一幅图和地球现在的一幅图，让学生比较后总结

)

T

总

结

: Look,the Earth is not as beautiful as before. So

let’s

be the green guards toprotect the Earth. OK

?

Ss: OK.

T: How can we become green guards? Look,here are some steps.

课件展示展示成为环保小卫士的步骤：

1) Weknow how to protect the Earth from some parts

2) Weknow the use of them

3) Weknow the problems of them

4) Weknow the solutions of the problems

5) We cantalk about protecting the Earth

T: OK.

Let’s

go.

3. Lookand say

T: Now

let’s

go to step one. Look at thepictures. People are doing bad things to the Earth. Can you

give titles to thepictures? Think it over.

Ss:

…

Step2While- reading

1. Skimand find

T: Wow, you gave lots of titles. Now openyour books and turn to page 68. Can you find the titles fr

om the text?

Ss:

…

T: You did a good job on step one. Now canwe find out the use of the four things?

2. Watchand match

T:

Let’s

watch the cartoon. Find out theuse of four parts and match the phrases.

Ss

看卡通后进行短语配对组成句子。

1) We usewater to A. keep theair clean

2) We useenergy to B. drink andclean

3) We usetrees to C. drivecars

4) We usewood D. make bagsand bottles

5) We useplastic to E. maketables and chairs

T: They are useful. (

总结，教读

useful)

Let’s

read them together.

Ss:

…

3. Scanand find.

T: This time, please read part 2&3quickly and fill in the blanks.

Where does the energy come from? ---Most of our energy comes from coal andoil.

Where does wood come from? ---Wood comes from trees.

T: Good.

4. Readand discuss

T: They are useful. But we

can’t

use themtoo much. There are some problems with them. So

let’s

g

o to step 3. Read thepassage again and discuss in pairs. Then try to find out their problems.

(< /p>

学生读课文和同桌讨论这四种能源发生的问题

)

T

通过

PPT

总结：

In many places, there is not much water.

There is not much coal and oil.

People cut down too many trees.

People use too much plastic.

5. Read,underline and fill in the blanks

T: We know the problems. We should solvethe problems. Please read the passage carefully and und

erline thesolutions. (

学生读课文，划出文中解决方法的句子。

)

T: Can you find something in these sentences?

Ss: We

should…

/ We should

not…

Let’sfinish

the form according to the sentences you underlined.

小练习：让我们根据划的句子来填写关键词吧。

Water: We should ________ and ________water. We should not ________ water.

Energy: We should ________ energy. Weshould not ________ so much.

Trees: We should ________ trees. We shouldnot ________ ________ too many ________.

Plastic: We should not use too many ______bags or bottles. We should use ________ bags and ___

_____ bottles.

6. Listenand repeat.

T:

Let’s

follow the tape. Please try toimitate the pronunciation and intonation.

7. Retellaccording to the form

T: We know the use, the problems and thesolutions of the four parts. Can you choose one part to tal

k with yourpartners?

T: Hello, boy.

S: Hello, Mr Liu.

T: We use water to drink and clean. Whatshould we do with water?

Ss: We should reuse and save water. Weshould not waste water.

T: Thank you. You can be a green guard now.

T: Now, boys and girls. You can choose anypart of the four to make dialogues with your partner.

* (

让学生编对话来展示

)

Step3 Post-reading

1. Readthe picture book and think

T: Earth is our home. We can protect theEarth from these four parts. But

that’s

not enough. We can

do more. I made apicture book for you.

Let’s

enjoy it and know more about the Earth. Pleasethink a

bout this question: How can we protect the Earth?

Ss:

…

*2. Make posters

T: Yes, we can do a lot of things toprotect the Earth. As green guards, we should perform our duties

. Look, mystudent in Houbai made a poster.

Let’s

make posters, too. And let more peopleknow how

to protect the Earth. OK? Now discuss with your group members andwrite down your suggestions

about protecting the Earth on the posters. You canuse the helpful phrases at the back of the paper. (

先展示自己学生做的一份海报， 后让学生小组讨论合作做海报，展示

)

T:

总结

You areso great. I am very happy today. I hope you are the real green guard.

Step 4

当堂检测

True or false

1. There is not muchwater in many places.

2. Cars do not use much energy .

3. We should not cut down trees.

4. Trees help keepthe air clean.

5. We should not useplastic bags because they are not useful.

Step 5 Homework

1. Show your postersto more people and let them know how to protect the Earth.

2.

完成

课课清。

3.

完成

0702

的预习自测。

第

2

课时

【教学目标】

1.

知识目标

①学生掌握句型

use…to…

和情态动词

< br>should

的用法。

②学生能用句型进行表达。

2.

能力目标

The students can reuse something to make things.

3.

情感目标

The students can take care of the environment.

【学情分析】

在

story time

中的接触过句 型

use…to…

和情态动词

shou ld

的用法。

【教学重点】

重点学习句型

use…to…

和情态动词

should

的用法。

【教学难点】

在学生熟练运用句型的基础上，让他们自己去发现、小结。

【课堂活动】

Step1: Revision

storytime simply.

The students say titles of the four parts in the story.

Step2

：

Grammar time

teacher shows the pictures and phrases.

The teacher changes the pictures to the words and shows the whole sentences.

The students look at the pictures and match them with the phrases.

The students read the sentences and find the rules.

2. The teacher show

s the word ‘water’ and gives an example.

The teacher shows other three things: wood, paper and plastic.

The students

say the uses of “wood, paper and plastic” in fours.

四人小组合作，讨论

3

个事物的用途，不限数 量，越多越好。

(We use … to …)

wood: ____________

_____________

___________

__________

paper: ____________

_____________

___________

__________

plastic: ____________

_____________

___________

__________

teacher shows two pictures and exercises.

The students look and fill in the blanks.

根据所给图片填空。

We _____ wood ______ make tables

We

use______ to______things.

and _______.

teacher

presents the sentences about “should”, then plays a game.

The students understand the sentences and take part in the game.

* teacher shows some actions which happened in the park.

The students judge the actions and talk about them in groups.

观察公园里的这些行为是否应该？和你的同桌说说吧！

We should (not ) ...

1

、在公园里看到

“

爱护树 木，

4

、公园里看到有水龙头未关时

……

”

时，

……

2

、公园里看 到小朋友爬树摘苹果时，说：

“……”

。

5

、公园里看到有人随意摘花时，我 们应该

对

他

们

说

：

“……”

。

3

、公园里看到有人在墙上乱

写时， 说：

“……”

。

Step3

：

Fun time

1. Know how to reuse things.

2. Reuse and make.

3

．

Stick on the poster and say.

Step4

：

Consolidation

小组合作归纳总结，教师给予指导。

Step5: Homework:

to reuse something.

2.

完成< /p>

0702

课课清。

3.

预习

Cartoon time and Culture time.

板书设计：

Unit7

Protect the Earth

use...to...

reuse...to...

Step6:

当堂检测