资源简介

(共21张PPT)
Lesson 7: Planting Trees
Learning Aims
1. Listen,speak ,read and write these words:
hole, large,cover,fill,storm,dirty,northern,bottom
2.Listen,speak and read these words: root,seedling,dirt,pack,dust
3.Read the text and know about how to plant a tree.
4.Tree planting is very important work.
We must do something to protect the environment.
Pre-reading
There is a dust storm,it gets windy and
dirty everywhere.
/d st/
/st m/
/ d t /
Pre-reading
hole /h l/ n. 洞
dig a hole 挖坑
The hole is large enough.
/lɑ d / adj.
dig v.挖，掘
dig-dug-dug
Pre-reading
root /ru t/ n.根
seedling / si dl / n.幼苗；秧苗
Pre-reading
Cover the roots and fill the hole with dirt.
cover/ k v / v. 覆盖
n. 盖子
fill / f l / v. 装满；充满
Pre-reading
Then pack the dirt around the new tree with your feet.
pack/ p k / v. 堆积；压实；装（箱）
Pre-reading
Put a little water in the bottom of the hole.
bottom / b t m /
n. 底部；最下部
Words
large [lɑ d ]
northern [ n n]
north [n θ]
cover [ k v (r)]
fill [f l]
pack [p k]
adj.大的；巨大的
adj. 北方的；北部的
n.北方；北部
v.覆盖 n.盖子;封面
v.装满；充满
v.堆积；压实；装（箱）
While reading -----Fast Reading
Read the lesson and write true (T) or false (F).
Li Ming and Wang Mei were having a picnic on a farm.( )
They asked a teacher for help. ( )
Li Ming saw another group of people on the hillside. ( )
Wang Mei really liked the project. ( )
planting trees on a hillside
worker
Wang Mei
While reading -----Fast Reading
Read the passage and fill in the blanks with the words in the box. Then put the steps for planting a tree in the correct order.
bottom　hole　around　cover　roots
□Put the ________of the seedling into the hole.
□Put a little water in the ________of the hole.
□________the roots and fill the hole with dirt.
□Pack the dirt ________the new tree with your feet.
□Dig a ________big enough to hold the roots of the seedling.
roots
bottom
Cover
around
hole
1
2
3
4
5
Why the wind can blow here from the north
Where is the wind from
What happened to the rich lands
Why nothing can stop the wind
y
when the dust storm comes

When there is a dust storm in spring,it gets windy and dirty everywhere
The wind blows the dirt and the sand here from the north
A lot of rich lands in the northern area have turned into desert.
Planting trees
Nothing can stop the wind because there are not many trees left.
While reading -----Careful Reading
Because our environment is changing.The changes are serious
While reading----Careful Reading
What do Li Ming , Wang Mei and worker think of planting trees？
Li Ming
Wang Mei
worker
Li Ming thinks it is very important work.
Wang Mei thinks planting trees is also a great way to learn about nature.
The worker thinks it is fun and important to plant trees.
Post-reading ____ Let’s try to retell the text.
People are planting trees because the environment is ________.
changing
When there is a______ _____ in spring, it________________________.
dust storm
gets windy and dirty everywhere
The wind blows______________from the north. Nothing can stop the wind because_________________.
the dirt and the sand
there are not many trees left .
A lot of rich lands in the northern area_______________________.
have turned into desert
How
Tree planting is very _________ work.
important
why
Complete the passage with the missing phrases.
D
C
B
A
P19 3
Post-reading
Summary
Translate the following phrases into English.
(1)用……填满
(2)顺便说一下
(3)沙尘暴
(4)变成
(5)确实；毫无疑问
(6)我想……/我认为……
(7)在……底部
fill…with…
by the way
a dust storm
turn into
for sure
I suppose…
in the bottom of …
hole, large,cover,fill,storm,dirty,northern,bottom
Why should we plant trees
protect ...
stop ...
make the air...
store ...
hold ... in place
stop ... from turning into ...
learn about...
have ... under the tree
Brainstorm
Why should we plant trees
protect our environment.
stop the dust storm
make the air cleaner.
store water
hold the soil in place
stop rich lands from turning into desert.
learn about nature .
have a rest under the tree
Brainstorm
Green mountains are gold mountains and silver mountains ...If we humanity do not fail Nature, Nature will not fail us. _____ Xi Jinping
绿水青山就是金山银山。 人不负青山，青山定不负人。_______ 习近平
Do you want to plant trees for us？
Homework
A. Necessary(必做):
1. Recite the words and expressions.
2. Finish the workbook.
B. Optional（选做）:
Search on the Internet for more reasons that we plant trees.

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