Lesson 42
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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计量的表达：…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情态动词与被动语态结合
Part 3
The more, the better.
Will be covered被动语态的一般将来时
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

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