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Lesson 42

發(fā)布時(shí)間:2016-5-21 編輯:互聯(lián)網(wǎng) 手機(jī)版

Reading Lesson

Two Periods

ⅠTeaching Materials

Words: drought, drop, soil, directly, leaf, flood, prevent, northern, wide, blow, sand, towards, farmland, point

Phrases: hear of, run away, in this way, point to, far away, thanks to

Sentences: The more, the better.

The Great Green Wall is 7,000 kilometers long, and between 400 and 1,700 kilometers wide.

Forests help to keep water from running away.

The Great Green Wall will stop the wind from blowing the earth away.

Many more trees must be planted.

Those mountains will be covered with trees too.

Grammar: the use of modal verbs together with the passive voice

The future tense of the passive voice

ⅡTeaching Objectives

1. Read the passage and try to understand it. Make sure to answer all the questions in the Workbook.

2. Read the passage fluently and correctly.

3. Master the new language points.

ⅢTeaching Points.

1. The main points-(1)&(2) in the teaching objectives.

2. The difficult points: (1)the use of modal verbs together with the passive voice:

(2) the future tense of the passive voice: will be done;

be going to be done

(3)stop …from doing sth.

= keep …from doing sth. = prevent …from doing sth

(4) thanks to=because of= with the help of

Ⅳ Teaching Procedure

Period 1

1. Organization of the class

Today, we are going to talk about the Great Green Wall.

2. Revision

A. Oral

Yesterday, we talked about planting trees. On what day do people usually plant trees?

Ss: Tree Planting Day

What clothes do people wear when they plant trees?

Ss: In their old clothes.

How do you plant a tree?

Ss: The ground must be just right. It’s best to plant trees in spring. Dig a hole; knock …into …; make sure…; so that… ;tie…to…

B. Wb. Ex. 3

3. The teaching of the new lesson

A. Lesson 42

We’ve learned how to plant a tree. Do you think planting trees in very important? Why?

Ss:

What has our country done?

B. Talk about the Great Green Wall

T: We have built a Great Green Wall. It’s a Great Wall of trees, millions of trees. It’s called the Sanbei Shelter Wall actually. Have you ever heard of it?

Ss:

Teach: hear of= learn about= know about

T: What do you know about it? Ss:

Use a picture of it to show the students its location.

T: Why do we build a Great Green Wall?

Ss: It can stop the wind from blowing the earth away. It can also stop the sand from moving towards the rich farmland in the south.

C. Read the whole lesson and do Wb. Ex.1

D. Conclusion: hear of

4. Homework

A. Wb. Ex.

B. Read the lesson again and find out the new words.

Period 2

1. Organization of the class

Today, we’ll go on learning Lesson 42.

2. Revision

A. We know planting trees is very important. What has China done? What is a Great Green Wall?

B. Because of

3. The teaching of the new lesson

A. Ask the students to divide the passage into 3 parts

Part 1 (Paragraph 1) Part 2 (Paragraph 2&3) Part 3(Paragraph 4,5,6,7)

B. Read and learn

Part 1

Keep …from doing sth.;

run away;

drought;

drop, a drop of water; rain drops;

hit the soil directly, directly: go to a place directly= go straight to a place, answer directly;

wash away;

prevent, prevent sth., prevent sb. from doing sth.= keep sb. from doing sth.

Part 2

…long, …wide計(jì)量的表達(dá):…高/深/厚

            …tall/ high/ deep/ thick

stop …from …= keep …from = prevent …from;

blow…away;

towards, The door is towards the south. He is coming towards us.

Must be built情態(tài)動(dòng)詞與被動(dòng)語態(tài)結(jié)合

Part 3

The more, the better.

Will be covered被動(dòng)語態(tài)的一般將來時(shí)

Point to

Far away;

Thanks to= because of = with the help of

C. Wb. Ex. 2&3

D. Conclusion

The new words and phrases: keep…from…; stop…from…; prevent…from…

Run away

Blow away; move towards…

Must be built

Will be covered

Point to; far away

4. Homework

A. Retell it

B. Go over the new phrases