牛津深圳版七年级下 4.5 Unit 4 Listening and Speaking（课件）+嵌入音频

(共27张PPT)
Unit 4 Save the trees
Listening and speaking
牛津深圳版七年级下册
Listening
Why is it important for us to plant more trees
1. Trees keep the air cool and clean.
2.Trees take in harmful gases from the air.
3.Trees produce oxygen for us to breathe.
4. We get fruit and oil from trees.
5. A lot of the furniture is made of wood.
1
课堂导入
What should we do
1. We should stop cutting down trees.
2. We should plant more trees.
3. Trees are very important in our daily life. It is very important for us to protect trees.
Pine trees
Pine trees 松树
常绿树，绝大多数是高大乔木，高20～50米，最高可达75米（美国的糖松）。极少数为灌木状，如偃松和地盘松。松树为轮状分枝，节间长，小枝比较细弱平直或略向下弯曲，针叶细长成束。因此，其树冠看起来篷松不紧凑，“松”字正是其树冠特征的形象描述。所以，“松”就是树冠篷松的一类树。松树坚固，寿命十分长。
2
课堂活动
Pine trees
When you are listening, pay special attention to the following words. They will help you understand the text.
First(ly), Second(ly), etc. to introduce a list or a sequence of things.
For example, … to give an example or examples
However, … to give a different idea
英语听力技巧 ——
听连词识句意
1　先后次序关系：
first; second; at last; next; finally; to begin with, first of all
2　因果关系：
because; because of this; as a result of; therefore, so; so that
3　转折关系：
but; though; however; even though;
4　并列关系：
and; also; too, either..., or...; both...and, at the same time
We can find pine trees in almost every ______ of China.
People grow pine trees in cities because they are always ______ and they make the environment more _______.
Pine trees are very ________.
—They can grow in difficult environments.
part
green
beautiful
strong
Listen to a radio programme about pine trees and complete the notes below. Write one word or figure in each blank.
Pine trees have very ______ lives.
—Some of them live more than ______ years.
Pine trees are useful.
—We use them to make ________.
—We use them in ______ medicine to fight againest diseases.
long
1,000
furniture
Chinese
Host: Welcome to The Natural World! People tell us they want to learn more about different kinds of trees, so I’m going to tell you something about pine trees today. You can find pine trees in almost every part of China. People grow trees in cities because they’re always green. They make the environment more beautiful. They are very strong plants. They can grow in difficult environments.
Read after the tapescript.
They also have very long lives. Some of them can live more than a thousand years. We make use of pine trees in many ways. First, we use the wood from them to make nice furniture. Second, we use them in Chinese medicine. We use almost every part of them to fight against different disease.
1　Pine trees exist in almost every part of China. (　)
2　Pine trees can’t make the environment more beautiful. (　)
3　Pine trees are week plants. (　)
4　Pine trees have very long lives. (　)
5　The wood from pine can be to made nice furniture. (　)
Choose T (true) or F (false)
T
F
F
T
T
Speaking
Listen to songs and fill in words.
_______, _______, little ____,
How I wonder ____ you are!
Up above the _____ so high,
Like a diamond in the ___!
_______, _______, little ____,
How I wonder ____ you are!
Twinkle
twinkle
Twinkle
twinkle
star
star
what
what
world
sky
3
课堂活动
After listening to the song, we can know what will we learn today is Consonants. We have been learned several consonants in the past classes. Today we will learn to say the /sk/, /sp/, /st/, /sl/, /sm/, /pl/, /pr/, /kw/ and /tw/ sounds. So firstly we will learn the pronunciation skills of these consonants.
Talk time
/sk/ /sp/ /st/
ask school crisp space first star
score sky special speed step stop
/sl/ /sm/
sleep slide slow small smile smoke
/pl/ /pr/
plane please reply practice present pretty
/kw/ /tw/
question quiet quit between twelve tewnty
1.Stanley is small and slim. He is a smart student, but he works slowly when he is sleepy.
2.The queen likes playing sport. She likes skating a lot. She can skate at a very high speed because she practises a lot.
3.They planned to have a quick meeting on the project for twenty minutes, but the speaker did not stop speaking until twenty past twelve.
Read these sentences. Pay attention to the letters in bold.
Read the following words.
/sk/　Skip skirt sketch skill skin skim
/sp/　specific spot spread spirit spare spoil
/st/　 state status stick strike stock staff
/sl/　 slip slide slice slack slight sleep
/sm/ smooth smell small smile smog smear
/pl/　plant plain place plate pleasure plot
/pr/　present process proper practice promote prompt
/kw/ quality quote quite quarter quiet quit
/tw/　twist twenty twelve two twice twin
Read the following words.
B Speak up
In groups, discuss why trees are important.
Trees are good for …
We can make …
We also get …
Trees are good for us. We can make furniture, pencils, paper and so on with the wood of trees. We also get oxygen from trees.
Tress are good for the world. It can reduce wind speed, conserve water and soil, regulate climate, purify air, eliminate pollution, green barrier, kill bacteria, prevent wind and sand, make oxygen and reduce noise.
4
课堂小结
1.We have listened to an interview trees.
2. We have learned to say /sk/ /sp/ / st / /sl / /sm / / pl / / pl / and/ tw / sounds.
3. We have discussed the importance of trees.
一、找出每组划线部分发音与其他三项不同的一项。
( )1. A. plane B. please C. practice D. plan
( )2. A. ski B. sky C. school D. speed
( )3. A. store B. spend C. stop D. stand
( )4. A. price B. present C. pleasure D. pretty
( )5. A. twice B. quick C. quite D. quiet
A
C
D
B
C
5
课堂练习
2.根据实际情况回答下列问题。
1. Do you think trees are important to us
2. What can we get from trees
3. Why do some old people like to sit under big trees
4. How can trees help clean the air
5. Do you plant any trees around your house
谢谢
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