(共47张PPT)
Unit 4 Save the trees
Period 4 Speaking & Writing
牛津深圳·广州版 七年级下
Recognize words containing /sk/, /sp/, /st/, /sl/, /sm/, /pl/, /pr/, /kw/ and /tw/.
Use the present continuous tense to describe the content of the picture.
Discuss the importance of trees to human beings through group activities.
Learning objects
Tongue Twister
Lead in
Challenge yourselves
I scream, you scream, we all scream for ice-cream!
A pleasant peasant keeps a pleasant pheasant and both the peasant and the pheasant are having a pleasant time together.
Please pay promptly.
Talk time
Read loudly.
认识辅音连缀/sk/, /sp/ 和/st/。 /sk/是字母组合sc, sch 和sk在单词中的读音； /sp/是字母组合sp在单词中的读音；/st/是字母组合st在单词中的读音。
朗读下列含有/sk/, /sp/ 和/st/的单词和例句，注意划线部分的读音。
ask scale school sky
crisp grasp space speed
first star study west
Steve is a student. He always skates at half past three.
I have bought a special gift for my favourite star in our school.
Talk time
认识辅音连缀/sl/和/sm/。 /sl/和/sm/是字母组合sl和sm在单词中的读音。
朗读下列含有/sl/和/sm/的单词，注意划线部分的读音。
Talk time
sleep slide slow
small smile smoke
认识辅音连缀/pl/和/pr/。 /pl/和/pr/是字母组合pl和pr在单词中读音。
朗读下列含有/pl/和/pr/的单词，注意划线部分的读音。
Talk time
plane please reply
practice present pretty
认识辅音连缀/kw/和/tw/。 /kw/和/tw/是字母组合qu和tw在单词中读音。
朗读下列含有/kw/和/tw/的单词，注意划线部分的读音。
Talk time
question quiet quit
between twelve twenty
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.
Have a go
( )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
选出划线部分发音不同的选项.
Have a go
Speak up
In groups, discuss why trees are important.
Trees are good for …
We can make …
We also get …
provide people with …
fight against pollution
protect the environment
Trees are very important.
wood to make furniture
fruit, oil and tea
stop sandstorms
stop the soil from being washed away
take in harmful gases from the air
produce oxygen for people to breathe
Speak up
Tree are very important. First, they are good for people’s health because they take in harmful gases from the air and produce oxygen for people to breathe. Second, they can protect the environment by stopping the soil from being washed away and by stopping sandstorms. Third, trees also provide people with a lot of things. We use wood to make furniture. We can also get fruit, oil and tea from trees. So we must protect trees.
Speak up
Show Times
Have a go
Writing
It is Tree Planting Day. Some people are working near Rebecca’s home. Rebecca took some photos of them.
Tree Planting Day
Pre-writing
Today, we are going to write a story about the pictures!
We use the present continuous tense to describe what is happening in photos or pictures.
Pre-writing
dig v. 挖
The dog is digging a hole.
Vocabulary
[d ɡ]
hole v. 洞
The hole in the tree trunk is the home of the small animal.
Vocabulary
[h l]
carry v. 搬；扛；背
It is widely believed that bats carry many viruses.
Vocabulary
container n. 容器
This new container is cleverly designed and easily made.
Vocabulary
What are the workers doing now
They are planting trees and flowers now.
Writing
In pairs, discuss what the people are doing in the pictures.
Writing
Now make conversations about what is going on in the pictures with the words in brackets.
…
Writing
What is/ are … doing
(two workers /dig/holes/ground)
(another worker/plant/tree/in/hole)
Two workers are digging holes in the ground. Another worker is planting a tree in a hole.
Writing
Writing
…
What is/ are … doing
(two workers /carry/large container)
(another worker/plant/flowers/in/
container)
Two workers are carrying a large container. Another worker is planting some flowers in a container.
Writing
…
What is/ are … doing
Writing
(two workers/clean/area)
(another worker/water/plants)
Two workers are cleaning the area. Another worker is watering the plants.
Writing
…
What is/ are … doing
Writing
(workers/leave/area)
(people/say/goodbye/workers)
The workers are leaving the area.
People are saying goodbye to the workers.
Writing
Yesterday was Tree Planting Day. Some workers near Rebecca’s home. At first, the workers dug holes in the ground and planted trees in the holes. Then, the workers carried large containers and planted flowers in them. Later, two workers cleaned the area and watered the plants. At first, the workers let the area and the people said goodbye to them. The workers made this place more beautiful.
Writing
_____________
__________
Planting trees
places
Planting trees
Feeings
Time
How to plant trees
______________
meaningful
Trees Planting Day
__________
near home
_____________
dig
Summary
______________
Put the soil
water trees
in the garden
____________
in the park
on weekends
after school
important
helpful
树木对人类的贡献很大。假如你是李华，今天是植树节，你和班里的同学去了郊区植树。请你根据以下内容提示写一篇英语短文，介绍你们的植树活动，谈谈树木对人类的贡献以及你自己的想法。短文需包括以下要点：
Exercise
介绍植树活动 1. 在地上挖洞
2. 把树苗放进洞里
3. (请你补充)
树木的重要性 1. 使空气干净清洁
2. (请你补充)
你的感受 1. 植树很重要
2. (请你补充)
Exercise
Step 1. 谋篇布局
Guide
第一步： 人称：________________________ ；
时态：________________________。
思路点拨:
列框架―→激活词汇 ―→拓展写作内容(注意时态)
第一人称、第三人称
一般现在时、现在进行时
Guide
你能想起与短文有关的学过的词汇吗？试一下吧！
1. 挖洞
2. 把…放入
3. 浇水
4. 使空气干净
5. 保护地球
6. 在许多方面
dig a hole
put … into
water
make the air clean
protect the Earth
in many ways
Guide
Step 2: 激活词汇
运用以下结构，可以让你的文章更出彩哦。
1. keep sb./sth. adj.意为“保持某人/某物……”。
【例句】它让我们活着。 It keeps us alive.
【仿写】树木保持空气清洁。
Guide
The trees keep the air clean.
Step 3: 精彩结构
2. It is adj. to do sth. 意为“做某事是……的”。
【例句】在春天旅行是令人兴奋的。
It is exciting to take a trip in spring.
【仿写】每年植树保护我们的地球是很重要的。
Guide
It is important to plant trees every year to protect our Earth.
Step 3: 精彩结构
Step 4: 参考连接词
and, but, so, because, during, besides…
Guide
Today is Tree Planting Day. We are planting trees in the park.
Look! We are having wonderful teamwork. The girls are digging holes in the ground. The boys are putting trees in the holes and planting them carefully. Some are watering trees, and others are cleaning the area. We are talking and laughing happily.
Example
Trees help us in many ways. They can keep the air clean. Also, they make our lives more convenient. We get fruit and oil from them. We can't imagine our world without trees.
I think it is important to plant trees every year to protect our earth. And I believe our Earth will become much more beautiful if everyone plants a tree each year.
Example
Homework
Finish the writing exercise paper.
Be a pineapple: stand tall, wear a crown, and be sweet on the inside.
做一个菠萝：站得笔直，头戴王冠，内心甜美。
Reflection
谢谢
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