英語七年級下冊Module2 Man’s best friendsUnit 4 Save the trees.精品ppt課件-課件下載-教習(xí)網(wǎng)

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. 在我們的日常生活中2. 關(guān)于某事采訪某人3. 在很多方面4. 保持空氣涼爽，干凈5. 吸收6. 有害氣體7. 產(chǎn)生氧氣供我們呼吸8. 對抗空氣污染的主要斗士9. 令我們的生活更加方便10. 來自樹木11. 確切地說，事實上12. 環(huán)顧，四處看13. 這里很多家具都是木頭制成的。 14. 我想象不出沒有樹的世界。15. 砍伐數(shù)以百萬計的樹16. 停止這么做17. 幫助對抗污染為我們提供木材，水果等是……的棲息地，發(fā)源地
1. 在我們的日常生活中 in ur daily lives2. 關(guān)于某事采訪某人 interview sb. abut sth.3. 在很多方面 in many ways4. 保持空氣涼爽，干凈 keep the air cl and clean5. 吸收 take in6. 有害氣體 harmful gases7. 產(chǎn)生氧氣供我們呼吸 prduce xygen fr us t breathe8. 對抗空氣污染的主要斗士 majr fighters against air pllutin
keep sb. /sth. adj. 保持……怎么樣
9. 令我們的生活更加方便 make ur lives mre cnvenient10. 來自樹木 cme frm trees11. 確切地說，事實上 in fact12. 環(huán)顧，四處看 lk arund13. 這里很多家具都是木頭制成的。 A lt f the furniture is made f wd. 14. 我想象不出沒有樹的世界。 I can’t imagine a wrld withut trees.15. 砍伐數(shù)以百萬計的樹 cut dwn millins f trees16. 停止這么做 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. 停下來去做某事
17. 幫助對抗污染 help fight against pllutin為我們提供木材，水果等 prvide us with wd, fruit, etc是……的棲息地，發(fā)源地 be hme t
prvide sb. with sth.
此處t是介詞，后接名詞
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.