初中英语沪教牛津版（2024）七年级下册Unit 4 Save the trees.精品ppt课件

这是一份初中英语沪教牛津版（2024）七年级下册Unit 4 Save the trees.精品ppt课件，共19页。
When is Tree Planting Day?
On March 12th
Planting trees is imprtant fr everyne.
D. Water the yung tree.
A. Dig a hle.
C. Fill the hle with earth.
B. put the yung tree int the hle.
Hw t plant a tree ?
Hw t plant a tree ?(fur steps)
A. Dig a hle.
D. Water the yung tree.
—What is the man ding?
—He is a hle.
We use the present cntinuus tense t describe what is happening in phts r pictures.
Nw make cnversatins abut what is ging n in the pictures with the wrds in brackets.
S1: What is/ are … ding?S2: …
S1:What are tw wrkers ding?
S2:Tw wrkers are digging hles in the grund.
S1:What is anther wrker ding?
S2：Anther wrker is planting a tree in a hle.
S2:Tw wrkers are carrying a large cntainer.
S2:Anther wrker is planting sme flwers in a cntainer.
Tw students in a grup t finish the cnversatin.
Tw wrkers are cleaning the area. Anther wrker is watering plants.
S1: What are … ding?S2: …
All wrkers are leaving the area and the peple are saying gdbye t them.
Crrect the mistakes n yur wrksheet.（每纠对1个1分 ）
Trees are ur friends. They help us with many ways. They cl ur cities and clean ur air. Trees keep the earth frm get t ht fr us t live n. They put in harmful gases frm the air and give ut xygen fr us t breath.
Trees prvide a lt f things with peple. Fr example, a lt f furnitures are made f wd. Paper is made f wd, t. And we can get fruit and il frm trees. Trees are really imprtant in ur daily life. If we wn’t want t live in a wrld withut trees, we shuld stp t cut them dwn.
furniture is
Trees are useful t man in very imprtant ways. The first imprtant way is that they prvide man with fd, wd and ther prducts. Trees prvide man and animals with fd t live n the earth. It’s nt easy fr man t live n the earth withut trees. The secnd imprtant way is that trees give us shade. On a ht summer day, peple are eager t (急于) have a rest under the shade f a tree after they have walked a lng way. Yu can imagine hw imprtant the shade f a tree is t man and animals. The third imprtant way is that trees help t prevent drughts（干旱） and flds（洪水）. Hwever, in many parts f the wrld, man has nt realized the third imprtant way. He has cut trees dwn in large numbers. In the end he finds that he has lst the best friends he had.
What are the meanings f these underlined wrds ?
Discussin: What d trees d fr us?
Save the trees
Trees help us in many ways
Trees make ur lives mre cnvenient
We can get a lt frm trees
What d we d t hurt trees?
Peple cut dwn millins f trees every year.Peple burn wd t set fire.
Discussin: What shuld we d t prtect trees?Yu can begin like this : we shuld… we can…we must… we shuldn’t … we can’t…
Ways t Prtect trees
Any ther ways …
We shuld stp using chpsticks nce.
We had better reuse paper.
We must stp burning wd t ck meals.
We can write n the bth sides f the paper.
It is a gd idea t recycle ld bks, newspapers and magazines.
We shuld plant mre trees.
We can’t cut dwn muntains f trees.
Use paper twice Dn’t waste paper
请以“Save the trees”为题写一篇英文短文，词数80词左右。应包括以下信息点：树木对人类很重要。树木帮助我们很多：树木保持空气凉快和清洁。它们吸进有害的气体，产生氧气供我们呼吸。他们帮助我们对抗污染。很多家具都是用木头做的；茶叶来自树的叶子。但是，我们砍伐了很多树木。树木是我们的朋友。我们应该保护它们。First，secnd，third，what’s mre，mst imprtantly，At last,