英语七年级下册Module2 Man’s best friendsUnit 4 Save the trees.精品ppt课件

这是一份英语七年级下册Module2 Man’s best friendsUnit 4 Save the trees.精品ppt课件，共27页。
In this unit, we are ging t talk abut anther best friend f man’s n Earth, trees.
Hw much d yu knw abut trees? Try the shrt quiz belw.
What d trees d fr us ?
xygen fr us t breathe
harmful gases frm the air
a. They help fight against pllutin.b. They prvide us with wd, fruit, etc.c. They are hme t birds and animals.d. All f the abve.
2 What d trees d fr us?
Lk at the title f the interview n page 45. Then answer the questin belw.
Many f the things in ur daily lives cme frm trees. Fr example ,paper pencils, and chairs.
Trees in ur daily lives Rebecca wants t knw mre abut trees and hw they help us. She is interviewing Dr Jnes abut trees.
A. What shuld we d with trees?B. Hw d trees make ur lives mre cnvenient?C. Hw d trees help us?
Hw d trees help us?Hw d trees make ur lives mre cnvenient?What shuld we d with trees?
Part 1:Part 2:Part 3:
Read the first part f the cnversatin and answer the questin.
Hw d trees help us?
They are majr fighters againt air pllutin.
Read the secnd part f the cnversatin and answer the questin.
Hw d trees make ur lives mre cnvenient?
We get many things frm trees, such as fruit, il, tea and wd.
Read the third part f the cnversatin and answer the questin.
What shuld we d with trees?
We shuld stp cutting dwn s many trees.
Why are trees majr fighters against air pllutin?
They keep the air cl and clean. They take in harmful gases frm the air. They prduce xygen fr us t breathe.
Hw many trees d peple cut dwn every year?
Peple cut dwn millins f trees every year.
Read after the recrding.
Let’s underline sme imprtant phrases and sentences
1. 在我们的日常生活中2. 关于某事采访某人3. 在很多方面4. 保持空气凉爽，干净5. 吸收6. 有害气体7. 产生氧气供我们呼吸8. 对抗空气污染的主要斗士9. 令我们的生活更加方便10. 来自树木11. 确切地说，事实上12. 环顾，四处看13. 这里很多家具都是木头制成的。 14. 我想象不出没有树的世界。15. 砍伐数以百万计的树16. 停止这么做17. 帮助对抗污染为我们提供木材，水果等是……的栖息地，发源地
1. 在我们的日常生活中 in ur daily lives2. 关于某事采访某人 interview sb. abut sth.3. 在很多方面 in many ways4. 保持空气凉爽，干净 keep the air cl and clean5. 吸收 take in6. 有害气体 harmful gases7. 产生氧气供我们呼吸 prduce xygen fr us t breathe8. 对抗空气污染的主要斗士 majr fighters against air pllutin
keep sb. /sth. adj. 保持……怎么样
9. 令我们的生活更加方便 make ur lives mre cnvenient10. 来自树木 cme frm trees11. 确切地说，事实上 in fact12. 环顾，四处看 lk arund13. 这里很多家具都是木头制成的。 A lt f the furniture is made f wd. 14. 我想象不出没有树的世界。 I can’t imagine a wrld withut trees.15. 砍伐数以百万计的树 cut dwn millins f trees16. 停止这么做 stp ding this
be made f 由……制成（能看出原材料）
be made frm 由……制成（看不出原材料）
millins ftw millin
stp ding sth. 停止做某事
stp t d sth. 停下来去做某事
17. 帮助对抗污染 help fight against pllutin为我们提供木材，水果等 prvide us with wd, fruit, etc是……的栖息地，发源地 be hme t
prvide sb. with sth.
此处t是介词，后接名词
air pllutin
cl and clean
harmful gases
mre cnvenient
cme frm trees
D1 Read the interview n Page 45 and cmplete the ntes belw.
Trees are helpful. They help us _______
First, they are majr fighters… 1. They keep… 2. They take in… and prduce…Secnd, they make ur lives… 1. Many f the things in ur daily lives…,fr example… 2. In fact, we get a lt mre… We get…frm them Tea als… Lk arund… A lt f the furniture…Trees are really imprtant… I can’t imagine… But we… We shuld…if we dn’t want…
Help Rebecca cmplete her reprt.