资源简介

(共20张PPT)
Unit 3 Trees and us
主题范畴：
人与自然
主题群：
环境保护
子主题：
热爱与敬畏自然，与自然和谐共生
Key question
Why do we need trees
understand what trees do for us.
identify amazing facts about trees.
describe what we can do to help protects trees.
explain the relationship between trees and humans.
Unit objectives 单元目标
I can:
Lead in
植树节是由多个人物和事件共同促成的。最初的提议人是凌道扬和韩安等林学家，他们在1915年倡议设立植树节，最初将时间确定在每年清明节。1928年，国民政府为纪念孙中山逝世三周年，将植树节改为3月12日。新中国成立后的1979年，在邓小平提议下，第五届全国人大常委会第六次会议决定将每年的3月12日定为植树节。植树节的设立是为了倡导人民种植树木，鼓励人民爱护树木，提醒人民重视树木。
Tree Planting Day
Do you know the origin(来源) of Tree Planting Day
Writing
Writing a script for a live report on Tree Planting Day
dig a deep hole
plant a sapling (树苗) into the hole ...
use a stick to support the sapling
water the sapling
Task 1
Look at the pictures from Tree Planting Day and discuss what the students are doing. Use the expressions below to help you.
A
B
D
C
In pairs, discuss what the people are doing in the pictures.
We use the present continuous tense to describe what is happening in photos or pictures.
Top tip
Task 2
Now make conversations about what is going on in the pictures with the words in brackets.
S1: What is / are … doing
S2: …
(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.
S1: What is / are … doing
S2: …
(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.
S1: What is / are … doing
S2: …
(two workers / clean / area)
(another worker / water / plants)
Two workers are cleaning the area. Another worker is watering the plants.
S1: What is / are … doing
S2: …
(workers / leave / area)
(people / say / goodbye / workers)
The workers are leaving the area.
People are saying goodbye to the workers.
Task 3
Now write a script for your live report on Tree Planting Day.
Step 1 Plan Plan your script using the outline below.
Step 2 Write Complete the script according to the outline in step 1.
Hello, tree lovers! Today is 12 March—Tree Planting Day. Some
Grade 7 students are here in People’s e with me to
see what is happening.
________________________________________________________________________________________________________________________________________________________________________________________________________________________
Do you want to help us plant trees If yes, come over to People’s
Park right now!
Hello, tree lovers! Today is 12 March—Tree Planting Day. Some Grade 7 students are here in People’s e with me to see what is happening.
Right now, some students are digging deep holes in the ground. They are working hard to make sure the holes are big enough for the saplings. Other students are carrying saplings carefully.
Some students are planting the saplings into the holes. They are putting the saplings upright and filling the holes with soil. After that, some students are using sticks to support the saplings, making sure they stand firmly. And there are also students who are watering the saplings. They are pouring water gently to help the saplings take root. The students are all very busy but they look happy.
Do you want to help us plant trees If yes, come over to People’s Park right now!
for example
I wrote about Tree Planting Day in a lively and engaging way.
I used the present continuous to describe the activities.
I used the words and expressions I learnt in this unit.
I used correct spelling, grammar and punctuation.
Step 3 Check and revise Tick ( ) the boxes to check your writing, and then revise it.
重点词汇和核心句式
dig a deep hole 挖一个深坑
use a stick to support the sapling
用木棍支撑树苗
plant sth. into ... 把某物种植到
call on sb. to do sth. 号召某人做某事
come over to来到
Thank you!

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