内容正文:
By: Anne
Unit2 Plant a plant
Lesson7 Planting trees
In China, Tree Planting Day is on
Different countries have their own Tree Planting days.
March 12.
Lead-in
If there are no trees ,how do you like the world?
A dust storm
Rich lands turn into dessert.
植树前
植树后
Learn the New Words
1. hole n. 洞 ,洞穴[C] dig a hole 挖洞,挖坑
eg: There is a big hole in the road.
2. large adj. 大的,巨大的(larger,largest)
eg: The room must be large enough to hold so many people.
3.root n. 根[C] the root of... ...的根
vt.清除,根除
eg: Don't hurt the roots of the flowers.
You can't root anything in my computer.
4. seedling n. 秧苗,幼苗[C]
eg: We should take good care of the seedlings of the tree.
5. cover n. 盖子,封面[C]
v. 覆盖
(1)cover A with B 用B覆盖A (主动语态)
eg: Please cover the roots with dirt.
(2) A be covered with B A被B覆盖(被动语态)
eg: The road was covered with snow this morning.
Learn the New Words
6. fill v. (使)充满,(使)装满
(1) fill...with... 用...装满...(主动语态)
eg: Please fill the bottle with hot water.
(2) be filled with... 被装满...(被动语态)
=be full of... 充满
eg: The bottle is filled with hot water.
=The bottle is full of hot water.
Learn the New Words
8.pack vt. 堆积,压实,装箱,打包 pack sth.
eg:Pack the dirt around the tree.
He packed his bagpack quickly when he heard the news.
7. dirt n. 泥土,污物[U]
dirty adj. 不干净的,肮脏的
eg: His glass is very dirty because it is filled with dirt.
Learn the New Words
9. dust n. 沙土,尘土,灰尘[U]
10. storm n.暴风雨 a dust storm 沙尘暴
eg: There will be a dust storm in Xi'an tomorrow.
11.northern adj. 北方的,北部的
in the northern area 在北部地区,在北方
12.bottom n. 底部,最下部
in/at the bottom of... 在...的底部
eg:Put some water in the bottom of the hole.
Learn the New Words
THINK ABOUT IT
When is Tree Planting Day in China?
植树节在中国是什么时候?
What are the basic steps for planting a tree?
种树的基本步骤是什么?
[ˈbeɪsɪk] adj.基本的
It's March 12. Li Ming and his classmates are on a hillside. They are plantingtrees as a school project. A worker is there helping them.
作为
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?
dig a hole挖一个坑 dig-dug-dug
大一点
...的根茎
be+adj.+enough to do sth.足够......做某事
fill...with...用...填满
be filled with...被...填满
=be full of
名前形副后
顺便说一下
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.
沙尘暴
变成
adj.剩下的,留下的
在北方地区
严重的[ˈsɪəriəs]
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.
肯定的,确定的
在...底部
it is+adj.+(for sb)to do sth做某事(对于某人)是......
v. 认为;猜想be supposed to do sth.= should do sth.意为“应该做某事”
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
1.by the way顺便说一下
有关way的短语
all the way 一路上;自始至终 in the way妨碍,挡路
in a way 在某种程度上 No way没门,不可能
on one’s/the way (to...) 在(某人去……的)路上
in this way 用这种方式
2.turn into变成 可与change into替换
拓展:turn off 关掉 turn around 转身;翻转
turn back 折回;回来 turn down 把……调低
turn on 打开 turn over 翻转
turn up 把……调高;露面 turn out 出席;证明是
3.辨析:remember to do sth.与remember doing sth.
remember to do sth 记得要做某事( 事情还未做)
remember doing sth 记得要做某事( 事情已做)
4.
It's + adj. + for sb. + to do sth It's + adj. + of sb. + to do sth.
"对某人来说,做某事是……的”,形容词是描述事物特征的词。 "某人做某事是……的"形容词描写人的品质,品德的词。
该类形容词有:easy、hard,interesting , impossible 等 该类形容词有:honest,kind , nice clever 、 foolish .polite 等。
It's difficult for us to finish the work on time.
It was honest of him to tell us the truth.
对我们来说,按时完成这项工作很困难。
他很诚实,告诉了我们实情。
By: Anne
Read the passage and write T or 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
F
F
T
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 humanplanted 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
绿色长城
人工林
戈壁沙漠
根据括号内单词或汉语意思填空
1.Look!The ground is _________(cover)with white snow.
2.Please remember ___ _______(浇水)the plant once a day.
3.____________(顺便问一句),May I ask you a question ?
4.In the _________(north) part of China , the weather is colder.
5.You’d better sweep(打扫) the floor.It’s ______(dirt).
to water
By the way
northern
dirty
covered
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