UNIT2 Lesson 7 教学课件--冀教版初中英语八年级下

(共30张PPT)
Lesson 7: Planting Trees
UNIT 2 Plant a Plant!
学 习 目 标
掌握单词： hole, large, cover, fill, storm, dirty, northern, bottom
接触单词：root, seedling, dirt, pack, dust
短语和句型：fill…with…, by the way, dust storm, turn into, for sure, in the bottom of; It’s fun and important to plant plants.
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热爱环境，保护环境，为改善环境尽自己一份力。
掌握本课的重点生词和表达；能用英语表达植树的过程；了解植树对保护环境的重大意义。
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课 堂 导 入
Free talk
Do you like spring
Why do/don’t you like spring
What do you like to do in spring
课 堂 学 习
dust /d st/ n. 沙土；尘土；灰尘
dust storm 沙尘暴
storm /st m/ n. 暴风雨
dirty / d t / adj. 不干净的；肮脏的
dirt / d t/ n. 泥土；污物
dig a hole
hole /h l/ n. 洞
The hole is large enough.
large /lɑ d / adj. 大的；巨大的
①
Put the seedling inside.
root /ru t/ n.根
seedling / si dl / n.幼苗；秧苗
②
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
③
用……填满
fill with
Then pack the dirt around
the new tree with your feet.
/ p k / v. 堆积；压实；装（箱）pack
④
Put a little water in the bottom of the hole.
bottom
/ b t m /
n. 底部；最下部
在……底部
in the bottom of
⑤
hole/h l/
large /lɑ d /
root /ru t/
seedling / si dl /
cover / k v /
fill / f l /
dirt / d t/
pack / p k /
dust /d st/
storm /st m/
dirty / d t /
northern/ n n/
bottom / b t m /
n. 洞
adj. 大的；巨大的
n.根
n.幼苗；秧苗
v. 覆盖 n. 盖子
v. 装满；充满
n. 泥土；污物
v. 堆积；压实；装（箱）
n. 沙土；尘土；灰尘
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
New words
Fill in the blanks with the words in the box. Then put the steps for planting a tree in the correct order.
1. Put the ____________ of the seedling into the hole.
2. Put a little water in the __________ of the hole.
3. _________ 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
Practice
bottom hole around cover roots
hole
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Listen
Listen to the dialogue and answer the questions.
1.How many people are talking in the dialogue Who are they
2. What are Li Ming and Wang Mei doing
Three. They are Li Ming, Wang Mei and a worker.
They are planting trees.
Read and judge
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. ( )
F
F
F
T
Read and answer
How large is the hole
What is another group of people coming to do
Why are many people worried
Why have a lot of rich lands in the northern turned into desert
Why is planting trees important
It’s large enough to hold the roots of the seedling.
They are coming to plant trees.
Because the environment is changing.
Because the wind blows the dirt and the sand here from the north and nothing can stop the wind.
Because trees can stop the wind from blowing the dirt and the sand.
Read, find and translate
on a hillside
dig a hole
adj./adv.+ enough to do sth.
fill …with sth.
by the way
a group of…
dust storm
turn into
for sure
a great way to do sth.
It’s+ adj. +to do sth.
remember to do sth.
in the bottom of…
在山坡上
挖坑
足够……可以做某事
有某物填满……
顺便说一下
一群/队……
沙尘暴
变成
肯定地；确定地
做某事的好方法
做某事是……
记得要做某事
在…….底部
Retell
Tell how to plant trees according to the pictures.
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 human-planted forest.
Each year ______ blow a lot of soil off the land. Things are getting more and
more serious. About3 600 square kilometres of grassland are taken by the Gobi
Desert every year.
The Green Great Wall project started in 1978. By _______, people hold back
the expansion of the desert and raise northern China’s forest covered by 5% to 15%.
By the year 2050,______ will be about 2 800 miles long.
the Green Great Wall B. planting more trees
C. dust storms D. the northern part
D
C
B
A
Read the lesson and the passage above again. Why should
we plant trees Talk about it and list at least three reasons.
Work in pairs
Trees can stop the wind.
Trees can change the environment around us.
By planting trees, people hold back the expansion of the desert and raise northern
China’s forest coverage by 5% to 15%.
______________________________________________________________________
______________________________________________________________________
______________________________________________________________________
_______________________________________________________________________
The new words and expressions：
hole, large, cover, fill, storm, dirty, northern, bottom;
fill…with…, by the way, dust storm, turn into, for sure, in the bottom of;
It’s fun and important to plant plants.
2. How to plant trees.
3. The importance of planting trees.
Sum up
Language points
Now, put the seedling inside, cover the roots and fill the hole with dirt.现在，把幼苗放进去，用泥土把根盖住，并把洞填满。
(1) cover
①〔及物动词〕覆盖
cover…with sth. 用某物盖住…… be covered with 被……覆盖着
Please cover the vegetables with the cloth. 请用布把蔬菜盖起来。
The ground is covered with the fallen leaves. 地面被落叶覆盖着。
②〔名词〕盖子
a plastic cover 一个塑料盖
(2) fill〔及物动词〕装满，充满
fill…with sth. 用某物装满……
Please fill the pot with the water.请把壶里装满水。
【拓展】be filled with=be full of 装满了……
The bag is filled with dirt.=The bag is full of dirt.
袋子里装满了土。
2. By the way, there is another group of people down the hill.
顺便说一下，山下还有一组人。
by the way 顺便说一下，顺便问一下
常用作插入语，以引出新的话题或内容。
Let’s go to the movies. By the way, where is Tom now
咱们去看电影吧。顺便问一下，汤姆在哪儿？
【拓展】way的相关短语：
on the way (to…）在（去……）的路上
(get) in the way (…) 挡（……）的路，妨碍（……. ）
in a …way 用……的方式
(in) this/that way 这/那样
3. A lot of rich lands in the northern area have turned
into desert.北部地区许多肥沃的土地已变成了沙漠。
(1) northern 〔形容词〕北方的，北部的
它是由north（n.北，北分）加形容词后缀-ern构成的。
the northern part of China 中国北部
【拓展】
south (n. 南，南方)+ -ern→ southern (adj. 南方的)
east (n. 东，东方)+ -ern→ eastern (adj. 东方的)
west (n. 西，西方)+ -ern→ western (adj. 西方的)
(2) turn into 变成 （=change into）
The ice can turns into water.冰可以变成水。
【拓展】
turn…into 把……变成
Heat can turn water into steam. 高温可使水变成水蒸气。
4. For sure.确实是。
for sure 肯定地；确定地
此处 for sure相当于 That’s for sure. 表示对某种观点、意见、
看法等的赞同。
—Will you be there 你去那儿吗？
—For sure.肯定去。
5. Oh, and please remember to put a little water in the
bottom of the hole.哦，请记住在洞的底部放点儿水。
bottom 〔名词〕底部；最下部
反义词为top(顶部)。in/at the bottom of…在……底部 ，其
反义短语 为on the top of（在……顶部）。
There are some fish in the bottom of the river.
在河水底部有一些鱼。
The bird can fly into the house through the ________(洞) in the wall.
2. Your clothes are very ________(dirt). You should wash them.
3. After the ________(暴风雨), the neighborhood is in a mess.
Hebei Province lies in the ________(north) part of China.
T-shirts come in three sizes — small, medium and l__________.
课 堂 达 标
hole
dirty
storm
northern
Ⅰ.根据句意及相关提示，写出单词的正确形式。
arge
1. 刚才，丹尼用双手捂住脸。
Danny _______ his face _______ his hands just now.
2. 汤姆把书包里装满了书。
Tom ______ his schoolbag ______ books.
3.顺便问一下，你经常去图书馆看书吗？
___ _____ _____, do you often go to the library to read books
4. 在屏幕的底部有一个菜单栏。
There is menu bar ____ ____ ________ ___ your screen.
5. 美猴王可以变成人。
The Monkey King can _____ _____ a man.
Ⅱ.根据汉语意思完成英语句子。
filled with
covered with
By the way
in/at the bottom of
turn into
1. Remember the new words and expressions
learnt in this lesson.
2. Write a passage about importance of planting
trees and how to plant trees.
3. Preview Lesson 8.
Homework
Thank you !