仁爱科普版（2024）九年级上册Topic 3 What can we do to protect the environment?评优课教学ppt课件

这是一份仁爱科普版（2024）九年级上册Topic 3 What can we do to protect the environment?评优课教学ppt课件，文件包含Unit2SavingtheearthTopic3SectionDpptx、Unit2SavingtheearthTopic3SectionD教学设计docx、Unit2Topic3大单元整体教学设计docx、P59-1amp4、“地球之肺”亚马逊雨林着火了这场火到底有多大_高清mp4、歌曲mp4等6份课件配套教学资源，其中PPT共30页， 欢迎下载使用。
Learning bjectives
After learning the lessn, we can:
Learn sme cre wrds and expressins f the text;
Use the cmpund sentence crrectly.
Get the main idea, structure and mre details by skimming, scanning and intensive reading.
Realize the imprtance f the frest.
并列句的概念:并列句是由并列连词and，but，r，fr，s等把两个或两个以上互不依从，但意思紧密联系的简单句连在一起而构成的句子。其结构为:简单句+并列连词+简单句
( ) 1. Help thers whenever yu can ，_____ yu’ll make the wrld a nicer place t live in. A. r B. and C. but D. while( )2. Crss the rad carefully, ________ yu’ll keep yurself safe . A. s B. r C. but D. and( ) 3. Hurry up, ________ yu’ll be late fr the cncert . A. r B. s C. but D. and
Chse the best answer.
( ) 4. ---Tell us smething abut Canada, OK? --- I’m srry. _____ Jack ___ I have ever been there. A. Either, r B. Nt nly, but als C. Bth, and D. Neither, nr( ) 5. I always enjy visiting Lndn, ______ I wuldn’t like t live there. A. because B. s C. but D. and
Free Talk：What can yu see in the MV?Hw d yu feel?
Enjy a sng.
What des he want t tell us?
He tells us the imprtance f prtecting the earth and calls n us t stp distrying the earth.
Hw imprtant is the frest?
Pre-reading
Remve carbn dixide frm the air
Frests are the lungs f the earth.
A lt f water can be saved by water.
The main idea f the passage is___________. A. Frest are the lungs f the earth. B. We shuld plant mre trees t prtect the earth. C. Tree planters are changing the wrld. D. Tree planters face many difficulties.
Fast reading: find the main idea
While-reading
Thanks t ! They plant new t ______ them.
Functins f the earth:
are the lungs f the earth.
Hw d yu understand? (P50, ①)
Careful reading
Task 1: read para.1 and fill the blanks.
can _______ and make
But nw, have been destryed.
Try t retell it!
They'er all selfless persns! Let's give them a like!
Task 2: read para.2 and think. What difficulties d they face? (P50, ②)
The frests will becme less and less.We cannt breathe withut them. …
Task 3: read para.3 and answer.
Discuss: What will happen if we d nt plant new frests?
1. By planting millins f trees every year, they are nt nly making their wn envirnment better but als helping the whle wrld. (1) millins f 数以百万计的 (2) nt nly… but (als)… 不仅…而且…He can speak _________________ French _______________ English.他不但会讲法语而且会讲英语。
Language pints
2. Chinese vlunteers have helped plant lts f trees arund the wrld.中国志愿者帮助在世界各地种植了大量树木。(1) have helped、have used——have dne 现在完成时态，表示已经完成的动作。现在完成时的标志词是：fr、already、yet、s far、just、never、recently、ever、befre、since、up t nw。I _________________ （finish） reading the bk.我已经读完了这本书。
have finished
及时练习 选用hw的特殊疑问词组填空。1. — _____ ______ d yu use paper bags? — Smetimes.2. — _____ ______ has yur father wrked in Beijing? — Since ten years ag.3. — _____ ______ is the Yangtze River? — It’s 6, 300 kilmeters.4. — _____ _____ is yur hme t the Peple’s Hspital? — It’s an hur’s walk.5. — _____ _____ times have yu seen the mvie Harry Ptter? — Only nce.6. — _____ ______ des yur new dictinary cst? — It’s wrth 98 yuan.7. — _____ ______ bxes f mild d yu drink every day? — Tw.8. — _____ ______ water can yu see in the glass? —Nne.9. — _____ _____ shall we meet again? — In three years.
N. because I have n time, …
Yes. Because it can…
Pst-reading
Over the past 20 years, glbal frest cver has decreased by nearly 100 millin hectares. Assuming yu are already ld, yur cmmunity is preparing t hld an event abut vluntary tree planting, which requires yu t persist in planting 10 small trees. Will yu sign up t participate? Please share yur pinin.
Watch a vide abut the Amazn frest catching fire.
1. D yu recycle newspapers r cans? A. Often. (2) B. Seldm.(1) C. Never.(0)2. What d yu usually take? A. A bath.(0) B. A shwer.(2) 3. When yu have a shrt jurney, hw d yu usually g there? A. Walk r ride a bike.(3) B. G by car.(0) C. G by bus.(2)4. What d yu usually d when yu see thers littering? A. Stp them.(2) B. Pick the litter up.(1) C. D nthing.(0)5. Hw ften d yu use paper twels? A. Often. (0) B. Seldm.(1) C. Never.(2)6. Hw ften d yu eat fast fd? A. Often.(0) B. Seldm.(1) C. Never.(2)7. What type f bags d yu use fr shpping? A. Baskets r clth bags.(3) B. Reused plastic bags.(1) C. New plastic bags.(0)8. Hw ften d yu turn ff the lights when yu leave a rm? A. Nearly always.(2) B. Seldm. (1) C. Never.(0)
Finding a 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. 14-15 Yu are bright green, but d nt stp trying.
Give yur pints t yur answer, cmpare yur result with yur grup members and tell the class wh is the greenest in yur grup and give reasns.
__________(Yur partner’s name), Yur scres are ____. Yu ften _______ and yu usually ________, (but yu seldm / never ___________, ) s yu have nt started turning green yet./…
Hw t becme a greener persn？
Wuld yu like t be a greener persn? Here is sme advice fr yu. First, yu shuld/had better/… ____________ . Secnd, ____________________. Third, ______________ . Finally, ______________ . The earth is ur hme. Everyne shuld try his best t prtect it.
Write a passage
Lucid waters and lush muntains are invaluable assets.绿水青山就是金山银山。
We learn: sme wrds: dry2. sme phrases: prvide sth. t d sth.; face difficulties; even thugh3. 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.