初中英语仁爱科普版九年级上册Unit 2 Saving the earth.Topic 3 What can we do to protect the environment?集体备课ppt课件

这是一份初中英语仁爱科普版九年级上册Unit 2 Saving the earth.Topic 3 What can we do to protect the environment?集体备课ppt课件，共18页。PPT课件主要包含了Grammar，Functions ，Project，Summary，Assignment等内容，欢迎下载使用。

Hw imprtant is the frest?
Fast-reading
Underline the tpic sentence f the passage.
Frests are the lungs f the earth.
Careful-reading
1.Answer the questins n page 50.
2.Underline the new wrds and imprtant phrases while reading.
Hw d yu understand “Frests are the lungs f the earth”?
Frests can remve carbn dixide frm the air and make xygen.
What difficulties d tree planters facewhen they plant trees ? (1)The weather may be very ht and dry r it may be very cld and wet. (2)There are ften many insects that bite these planters n their legs, arms, and faces while they wrk. (3)They carry heavy bags f small trees, and wrking in the muntains can be dangerus.
Why d they plant different kinds f trees ?They plant different types f trees s thatbirds and animals can live in the frests.
What will happen if we d nt plant new frests ? The frests will becme less and less. We cannt breathe withut them. …
encurage sb t d sth
shut ff the electricity
save energy
Actins speak luder than wrds
Easier said than dne
Wuld yu like t be a tree planter when yu are lder ? Why r why nt ?
Hw can we becme a greener persn?
Turn ff the lights when we leave a rm.Walk r ride a bike instead f taking a bus r a taxi.Take a clth bag when we g shpping. Dn’t drive a car if yu travel a shrt distance. Write n bth sides f the paper. Dn’t use the things that can be used nly nce. After we wash faces, we can use the water t wash clthes. Turn ff the TV set while we are away. …
1. Answer the fllwing questins t see hw green yu are.
Finding the Greenest Persn
0—4 Yu have nt started turning green yet! 5—9 Yu are pale green.10—13 Yu are medium green. Try harder.14—18 Yu are bright green, but d nt stp trying.
Shw yurself
Write a shrt passage accrding t the questins yu answered just nw, yu can write like this:
Envirnment is very imprtant t us ,we shuld deverything we can t prtect it.Fr me, I ften/seldm recycle newspapers and cans……S I ampale green/medium green/bright green. I shuld try harder/nt stp trying.
We learn: 1. Sme wrds: dry ,remve,replace… 2. Sme phrases: remve sth. frm sth.; face difficulties; even thugh 3. Sme sentences: (1)Withut them, it cannt breathe. (2)They plant different types f trees s that birds and animals can live in the frests. We can: 1. Use the cmpund sentence crrectly. 2. Realize the imprtance f the frest.
Read 1a.Memrize the useful expressins and key sentences which we learn in this tpic.Finish Sectin D in yur wrkbk.Review what we learn in this unit.