Unit 2 Lesson 7 Planting Trees 课件(共28张PPT)

(共28张PPT)
Planting Trees
Lesson 7
When is Tree Planting Day
It’s on March 12th.
Arbor Day
How can we plant trees
Order the steps of planting a tree.
5
4
3
2
1
1
Dig a hole. It must be large enough.
hole [h l] n. 洞
step 1.
seedling[ si dl ]
2
Put the seedling inside.
seedling[ si dl ] n.幼苗；秧苗
step 2.
3
Cover the roots and fill the hole with dirt.
cover [ k v (r)] v.覆盖 fill [f l] v.装满；充满
step 3.
4
Pack the dirt around the new tree with your feet.
pack [p k] v.堆积；压实 dirt [d t] n.泥土；污物
step 4.
5
Remember to put a little water in the bottom of the hole.
bottom [ b t m]n. 底部；最下部
step 5.
hole [h l]
root [ru t]
seedling [ si dl ]
dust [d st]
storm [st m]
bottom [ b t m]
dirt [d t]
dirty [ d ti]
n. 洞
n.根
n.幼苗；秧苗
n.沙土；尘土；灰尘
n.暴风雨
n. 底部；最下部
n.泥土；污物
adj.不干净的，脏的
New 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）
New Words
Fill in the blank with the words in the box.
1. Put the ________of the seeding into the hole.
2. Put a little water in the _________of the hole.
3. ___________the roots and fills the hole with dirt.
4. Pack the dirt ________the new tree with your feet.
5. Dig a _________big enough to hold the roots of the seedling.
bottom hole around cover roots
roots
bottom
Cover
around
hole
Task-based Reading
1. When there is a dust storm in spring, it gets ________________everywhere.
2.What are Li Ming and his classmates doing
______________________________________________ .
3. Why should he make the hole a little bigger
______________________________________________.
4. By the way, there is another group of people down the hill.(翻译）
__________________________________________ .
windy and dirty
They are planting trees.
Because it must be large enough to hold the root of the seedling.
顺便说一下， 在山下还有另一组人。
1.Is it big enough 它足够大吗？
He is __________ (够高) .
We should listen to the teacher _______________ (够认真).
①enough 足够的（地） 放在“形副后”。
tall enough
carefully enough
There are enough seats ( seats enough) for them.
名词前后都可以
1. Is it big enough 它足够大吗？
②enough to do 足够做某事
她年龄足够大去照顾他自己
She is old enough to look after herself.
not…enough to… “不够…而不能…”
He isn’t old enough to look after herself.
He is too young to look after herself.
= too …to …
You should make the classroom clean.
2. Maybe you should make the hole a little bigger.
也许你应该把坑挖得再大一点儿。
make 作使役动词，译为“使，使成为”
You should make the classroom clean.
make sb /sth+adj.
make sb /sth+do
make sb /sth+n.
You should make the classroom keep clean.
We made him our leader.
make
2. Now put the seedling inside, cover the roots and fill the hole with dirt.
现在，把幼苗放进去，用泥土把根覆盖住，并把洞填满。
①cover v.覆盖 sb cover...with... 用...把...覆盖;
李莉用桌布把桌子盖上了。
Lily covers the table with a tablecloth.
=The table is covered with a tablecloth by Lily.
=sth. be covered with… …被...所覆盖
2. Now put the seedling inside, cover the roots and fill the hole with dirt.
现在，把幼苗放进去，用泥土把根覆盖住，并把洞填满。
①cover
e.g. I like the cover of the book.
e.g. Every box usually has a cover.
n.盖子；封面
3. Now put the seedling inside, cover the roots and fill the hole with dirt.
现在，把幼苗放进去，用泥土把根覆盖住，并把洞填满。
②fill v.装满 sb. fill...with... 用...把...装满
sth. be filled with… ...被...所装满
李莉用水把瓶子装满了。
Lily fills the bottle with water.
The bottle is filled with water (by Lily).
4. Nothing can stop the wind because there are not many trees left.
没有什么可以阻挡风，因为剩下的树不多了。
left 是leave 的过去分词， 作宾语补足语。
there be…left “剩下… ”
Hurry up! There _____ little time______.
树上剩下了大量的苹果。
There are plenty of apples left on the tree.
left
is
5. A lot of rich lands in the northern area have turned into desert.
北方地区许多肥沃的土壤已经变成了沙漠。
turn into 变成
The spring is coming. Snow _______ _____ water.
turn…into… 把…变成…,使…变为…
We turn water into ice.
我们把水成冰。
turns into
He won’t lend you money. That’s for sure.
他不会借钱给你。那是毫无疑问的。
6. For sure。确实如此 =That’s for sure。
表对某种观点、意见、看法等的赞同。
7. Oh, and please remember to put a little water in the bottom of the hole.
哦，请记住在坑底放一点水。
in /at the bottom of … 在…….底部
反义短语： on/at the top of… 在…的顶端
There is some sugar_____________(在…底部)the glass.
在瓶子的底部有一条鱼。
There is a fish in the bottom of the bottle.
in the bottom of
1.The ground is covered _________ snow.
A. of B. by C. with D. in
3.The box is too heavy. It ________ books.
A .full of B. filled C. fill D. is filled with
4.Water in river ________ ice in the north of China in winter.
turns to B. turns on
C. turns into D. turns off
C
D
C
Exercises
Exercises
5. 翻译：冰箱里什么也没有了。
There is nothing left in the fridge.
6.连词成句:there, bottom, the, in, of , is, something, the, glass
————————————————————.
There is something in the bottom of the glass.
Exercises
Work in pairs. Think about a question. Why should we plant trees Talk about it and list at least three reasons.
trees
Activity
Trees can make the sky blue.
Trees can provide(提供）houses for birds.
1.Recite the words and expressions.
2.Finish the exercise book.
3.Preview Lesson 8.
Homework