(共21张PPT)
Unit 2 Plant a Plant
Lesson 7 Planting trees
1.学习目标
3.重点探究
2.自主学习
学习导航
5.当堂检测
6.课堂总结
4.拓展提升
新课导入
Let's enjoy a video:
学习目标
1.能熟悉并能正确运用本课时的重点单词和短语
2.能掌握并运用句型It is adj. to do sth
3.能通过植树活动树立环保意识
自主学习
hole
large
cover
fill
storm
dirty
northern
bottom
n. 洞
adj. 大的;巨大的
v.覆盖 n.盖子
v.装满;充满
n.暴风雨
adj.不干净的;肮脏的
adj. 北方的;北部的
n. 底部;最下部
用……填满
顺便说一下
沙尘暴
变成
在……底部
做某事怎么样
fill…with…
by the way
dust storm
turn into
in the bottom of …
It’s +adj. to do sth.
重点探究
THINK ABOUT IT
When is Tree Planting Day in China
What are the basic steps for planting a tree
It’s March 12. Li Ming and his classmates are on a hillside. They are planting trees as a school project. A worker is there helping them.
Li Ming: Excuse me, sir. We are digging a hole. Is it big enough
Worker: Maybe you should make the hole a little bigger. It must be large
enough to hold the roots of the seedling.
Li Ming: I see. Thank you.
Worker: Now, put the seedling inside, cover the roots and fill the hole with dirt.
Then pack the dirt around the new tree with your feet.
Wang Mei: OK. By the way, there is another group of people down the hill. Are
they also coming to plant trees
Worker: Yes. Many people are worried because the environment is changing,
and they want to do something to help.
Li Ming: These changes are serious. When there is a dust storm in spring, it gets
windy and dirty everywhere.
Wang Mei: Ms. Liu told us the wind blows the dirt and the sand here from the north.
Nothing can stop the wind because there are not many trees left.
Worker: Exactly. A lot of rich lands in the northern area have turned into desert.
Li Ming: I suppose tree planting is very important work.
Wang Mei: For sure. I really like this project. It’s also a great way to learn about nature.
Worker: Yes. It’s fun and important to plant plants.
Oh, and please remember to put a
little water in the bottom of the hole.
1. Read the lesson and write true (T) or false (F).
1). Li Ming and Wang Mei were having a picnic on a farm. ( )
2). They asked a teacher for help. ( )
3). Li Ming saw another group of people on the hillside. ( )
4). Wang Mei really liked the project. ( )
F
T
F
F
2.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
3. Complete the passage with the missing phrases.
The Green Great Wall was built across ________of the country. What is the Green Great Wall?It is made up of strips of human planted forest.
Each year ________blow a lot of soil off the land. Things are getting more and more serious. About 3 600 square kilometres of grassland are taken by the Gobi Desert every year.
A.the Green Great Wall B.planting more trees
C.dust storms D.the northern part
D
C
The Green Great Wall project started in 1978. By ________, people hold back the expansion of the desert and raise northern China’s forest coverage by 5% to 15%. By the year 2050, ________will be about 2 800 miles long.
B
A
4. Work in pairs. Read the lesson and the passage above again. Why
should we plant trees?Talk about it and list at least three reasons.
1). We can have a rest in the shade under the tree.
2). Trees can stop the wind.
3). Trees help us fulfill our basic needs.
拓展提升
1. It must be large enough to hold the roots of the seedling.
adv. 足够地,充足地; 十分地; 副词 / 形容词 + enough
adj. 充足的; 足够的; enough+名词
n. 充分,足够; 满足;
(1) He walks ______. A.slowly enough B. enough slowly
(2) But that is long enough.
(3) Thank you ! I’ve had enough.
(4) There are enough seats for them all.
拓展:
enough+ to do sth. 足够……做某事
The boy is not old enough to go to school.(同义句)
The boy is too _____ to go to school.
A
young
2. make 使……, 让......
Maybe you should make the hole a little bigger.
make + sb. +形容词 使某人或某事……
make sb. do 让某人做某事
例:
The news makes us _______ (happy).
The joke makes him _______ ( laugh).
happy
laugh
3. I suppose tree planting is very important work.
我想,植树造林是非常重要的工作 。
suppose是及物动词,常用来表示说话人的看法、猜测
或假设。其基本用法如下:
(1)“suppose+名词/代词+介词短语”表示“猜测某人/某
物在……”。如:
He supposed his friend in the library.
他猜想他的朋友在图书馆里。
(2) be supposed to中的to是动词不定式符号,后接动
词原形,主语为人时,表示“应该;被期望”,
它可以用来表示劝告、建议、义务、责任等。主
语为物时,它表示“本应;本该”,用于表示某
事本应该发生而没有发生。它还可以用来表示
“被认为是;被相信是”。如:
I am supposed to start work at 7:30 every morning.
我理应每天早晨7:30开始工作。
4. fill…with… 用......填满......
Fill the pots with earth.
He filled the bottle with wine.
be filled with ... 被……充满/塞满
But the new roads and streets will be filled
with many cars and buses soon.
5. by the way 顺便说一下
By the way, what do you think about this Team
By the way, which province are you from
6.turn into 变成
The sofa turns into a bed.
In a flash of light, the prince turned into a frog.
7. for sure 肯定地;确定地
No one knows for sure what really happened.
没有人确切地知道到底发生了什么事。
If I talked, I would miss something, for sure.
如果我说话了,肯定会遗漏些什么东西。
当堂检测
用方框内短语或单词的适当形式填空,其中有两项多余。
The ____ _____often happens in the ________ area.
Please _____ the glass ______ milk.
If you only have the name, you cannot confirm the identity_____ ______.
dust storm
northern
fill
with
for sure
fill with by the way dust storm turn into for sure
in the bottom of dig large northern cover
4. All of us can _____ our dreams _____ practical reality.
5. I noticed there was a hole ____ ____ _______ ___ his pail.
6. You have 400 words for each question, ____ ____ ____.
7. ____ a _______ hole and put the tree inside.
8. The clouds had spread and _______the entire sky.
turn
into
in the bottom of
by the way
Dig
large
covered
fill with by the way dust storm turn into for sure
in the bottom of dig large northern cover
课堂总结
让/使某人......
make sb do sth
make sb adj.
suppose, vt
认为,猜想
be supposed to do
应该, 被期望
本应, 本该
被认为是, 被相信是
enough的不同词性
adj. 充足的,足够的
adv. 足够地,充足地,
十分地
n. 充分,足够,满足
Unit 2
Lesson7