内容正文:
Unit 8 Our Blue Planet
Function and Pronunciation
Learning Objectives
In this class, you will
学习字母组合al, ar, wa, ch/tch, dge/g, gu, gh, ght的正确发音
利用升调和降调阅读句子,并掌握升、降调的规律
通过文本了解和水相关的事实并完成对话总结
Exercises
I. 根据句意、首字母或音标提示完成句子。
1. The earth is short of drinking water. We should save every
__________ /drɒp/ of it.
2. Water turns into __________ when it cold enough.
3. When it is sunny, water goes _________ into the sky.
4. Be careful! The ____________ /ɡraʊnd/ is wet.
5. The bottle of __________ /fʊl/ of water.
6. There is water e_____________. It’s in the ocean, in the sky...
drop
ice
up
ground
full
verywhere
Exercises
II. 用方框中所给词的适当形式填空。
1. —You can’t put the box on the __________. It’s wet.
—OK.
2. —There are many white __________ in the sky. They look like rabbits.
—Yes, they look lovely.
3. In Harbin, water in the lake usually __________ ice in winter.
4. —Every __________ of water is important.
—Yes, we should save water.
5. —I can't find my book ____________.
—You can ask your mom.
ground
cloud ground everywhere drop form
clouds
forms
drop
everywhere
Exercises
III. 完成句子。
1. 地下有很多东西。我们可以找到石油、煤炭和水。
There are a lot of things _______ _______ _________. We can find oil,
coal and water.
2. 我们知道水可以升到天上,形成云。
We know that water can _______ _______ into the sky and form clouds.
3. 众所周知,地球表面大约70%被水覆盖。
______ ______ ______ _______, about 70% of the earth's surface is
covered by water.
4. 因为这场大雨,我们不得不推迟篮球赛。
_______ _______ the heavy rain, we have to put off the basketball
match.
5. 雨后,湖里满是水。
After the rain, the lake _____ ______ _____ water.
under the ground
go up
As we all know
Because of
is full of
/is filled with
We know about 71% of the earth's surface is covered by water, of which about 97% is stored in the ocean.
Do we drink sea water?
No! We drink fresh water.
Where is water from?
Pre-listening
Activity 1 Pair Work. Look at the pictures and talk about where water comes from.
➸Where is water from?
sea
rain
ice
river
While-listening
Activity 2 Read the conversation and practice it with your partner.
Xiao Ya: Mom, where does water come from?
Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky.
Xiao Ya: But I can’t see any water in the sky.
Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds.
Xiao Ya: I see. As we all know, water is very important to us.
Mom: Yes. We need to drink water every day.
Xiao Ya: We also need to use a lot of water in our life.
Mom: That’s right. It’s lucky that we have a lot of water on the earth.
Xiao Ya: Yes. Just because of this, we call the earth a blue planet.
Mom: But we can only use about 1% of the water on the earth. The rest is all sea water
or ice.
Xiao Ya: That is very little water. Let’s save every drop of water.
Xiao Ya: Mom, where does water come from?
肖雅:妈妈,水是从哪里来的?
Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky.
妈妈:水无处不在,地下、海洋和天空中都有水。
Xiao Ya: But I can’t see any water in the sky.
肖雅:但我看不见天空中有水啊。
Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds.
妈妈:水在空气中。晴天时,水会蒸发到天空形成云。
Xiao Ya: I see. As we all know, water is very important to us.
肖雅:明白了。大家都知道水对我们很重要。
七下课本 P22
跟读
Mom: Yes. We need to drink water every day.
妈妈:是的,我们每天都需要喝水。
Xiao Ya: We also need to use a lot of water in our life.
肖雅:生活中我们也要用很多水。
Mom: That’s right. It’s lucky that we have a lot of water on the earth.
妈妈:没错,地球上有这么多水是幸运的。
Xiao Ya: Yes. Just because of this, we call the earth a blue planet.
肖雅:是的,所以我们叫地球“蓝色星球”。
Mom: But we can only use about 1% of the water on the earth.
The rest is all sea water or ice.
妈妈:但我们能用的只有地球1%的水,其他都是海水或冰。
Xiao Ya: That is very little water. Let’s save every drop of water.
肖雅:这太少了,我们要节约每一滴水!
跟读
Complete the summary.
While-listening
Water is __________. It is under the ground, in the ________ and in the sky. On sunny days, water goes up into the sky and forms ________. We need to drink water every day and we also use a lot of water in our life. The earth is a blue planet. It is full of water. But we can only use about ________ of the water on it. We need to save every ________ of water.
everywhere
ocean
clouds
1%
drop
[fu:l] adj. 充满的
Activity 4 Pair work. Talk about the questions and make up a new conversation about water.
Post-listening
Where is water from?
How important is water to us?
Why do we need to save water?
Pronunciation
Activity 1 Listen to the chant. Pay attention to the pronunciation of the colored letters.
Some children walk down from the bridge.
At the river they start to watch.
They always want to catch a fish.
So they sit down and make a wish.
Right then, they see one large enough.
Guess what! They catch it and laugh!
Letter(s) al ar wa ch/tch dge/g gu gh t
Sound /ɔ:/ /ɔ:l/ /ɑ:/ /wɔ/ /tʃ / /dʒ/ /G/ /f/ /t/
Word walk call also always start dark want watch chess catch bridge judge large age guess guide laugh enough right fight
Pronunciation
Activity 2 Listen and read the sounds and words aloud.
Pronunciation
Activity 3 Listen and circle the word with a different sound in each group.
1. /ɔ:l/ always talk also 2. /ɑ:/ part around large
3. /tʃ/ chair school teach 4. /dʒ/ bridge orange guess
5. /g/ gun guest age 6. /f/ high laugh tough
Practice the following chant and read it aloud in class.
On the playground, with a basketball.
We play and laugh. Everyone likes it all.
Dancing around the moonlight.
The stars in the sky look very bright.
The playground seems so large,
But I believe we will never age.
Pronunciation
Pronunciation
Read the sentences and pay attention to the tone.
Mom, where does water come from?
As we all know, water is very important to us.
Just because of this, we call the earth a blue planet.
How important is water to us?
Let’s save every drop of water.
Pronunciation
Activity 4 Read the sentences aloud and mark the last word with a rising tone ( ) or a falling tone ( ), and then listen and check.
Look at this river on the map.
Are there any people in the desert?
Turn off the tap when you brush your teeth.
What about making a poster about saving water?
Water comes from rivers, lakes and oceans.
Summary
We learned:
1. some facts about water.
2. to pronounce the words with al, ar, wa, ch/tch, dge/g, gu, gh, ght in them correctly.
3. to read the sentences with a rising tone or a falling tone coherently.
We can:
make up a conversation about why water is so important to us.
Homework
You should:
practice the conversation in Activity 4.
You may:
search for more information about the importance of water and share it in class.
null
75467.305
null
130329.805
null
61438.793
Blues
86204.68
$