牛津上海版 (五四制)九年级下册（新版）Unit 3 Going places说课ppt课件

这是一份牛津上海版 (五四制)九年级下册（新版）Unit 3 Going places说课ppt课件，文件包含GettingreadyReadingppt、1Readingdoc等2份课件配套教学资源，其中PPT共43页， 欢迎下载使用。
UNIT 3 The envirnmentGetting ready & Reading
Read t learn abut the main prblems we face in prtecting the envirnment.T learn the new wrds and useful expressins
Objectives：
cncernatmspheretemperaturecnsumerguessgreen lifelessfuel
n. 担心；忧虑n. 大气层n. 温度；气温n. 消费者v. 猜测adj. 环境保护的；赞成环境保护的adj.无生命的；无生物成长的n. 燃料
calresultincreasesea leveldestrynaturesurfacesilfldhabit
n. 煤n. 结果v. (使)增长；增多；增加n. 海平面v. 摧毁；毁灭n. 自然界；大自然n. 表面；表层n. 土壤n. 洪水；水灾n. 习惯
prperfriendlyrecyclepurpsegreenhuse effectin dangeras a result fresult inmuntains ftake actinmake a difference
adj. 正确的；恰当的adj. 无害的v. 回收利用n. 目的；用途温室效应在危险中由于造成；导致许多；大量采取行动有作用；有影响
What has L dne?What did Hi tell L t d?Des L understand what Hi meant?What did Hi mean when he tld L t be greener?
He has painted himself green.
He tld L t be greener.
N, he desn’t.
Getting ready
Lk at the cartn and answer:
He meant that L shuld care mre abut the envirnment.
Lk at the fllwing pictures and think abut what causes the prblems.
Hw much d yu knw abut the greenhuse effect?
The greenhuse effect is the prcess f the gradual (逐渐的) rise in temperature f the Earth’s atmsphere. The Earth is getting warmer as an increase f gases such as carbn dixide in the atmsphere trap the heat f the Sun.
The greenhuse effect 温室效应
A What d yu knw abut
What d yu knw abut the greenhuse effect? Match the first half f the sentences in clumn A with the secnd half in clumn B. Write the crrect letters in the blanks. (P 34)
What is the result f the greenhuse effect? In grups, discuss this with yur classmates. (P 34)
The greenhuse effect results in: plar ice melting and the rise f sea levels hurricanes (飓风) and ther strms are likely t happen mre frequently as well as flds and drughts (旱灾) fresh water will be less availablesme diseases spread faster
●Plant flwers, grass r trees.●Whenever yu visit a park r beach, take away what yu bring there—keep rubbish in a bag until yu can put it in a dustbin.●Turn ff the lights, TV sets when yu leave the rm. This saves a lt f electricity (电).●Turn ff the tap (水龙头) when yu brush yur teeth. Yu can save sme water by nt letting it run. Als, use a glass cup instead f a paper cup because this saves paper.●Keep the drs and windws clsed in winter t keep warm air in.
What can we d t prtect the earth?
●Give yur ld bks and magazines t a library instead f thrwing them away.●Give yur ld clthes t pr children yu knw instead f thrwing them away. . ●Use bth sides f paper.●Stp puring dirty water int the rivers r lakes nearby.●Encurage all yur friends t d the same things yu d t help prtect the earth. Yu dn’t have t wait until Earth Day t d these things. Make every day Earth Day.
What is the article mainly abut?What prblems des the article discuss?A cnsumer is smene wh buys and uses things. Can yu guess what a “green cnsumer” is?
Envirnmental prblems.
The greenhuse effect, cutting dwn frests and bad habits.
A “green cnsumer” is smene wh nly buys and uses things friendly t the envirnment.
B Befre yu read
Lk at the pictures, the title, the intrductin and the sub-headings f the article n page 35. Then answer the questins belw. (P 34)
Lk at the article n page 35 and chse the best answer.
The article is prbably frm a(n) ____.a advertisementb pster abut the Earth Hurc envirnmental science bkd cmic bk
Why must peple d smething t prtect the envirnment?What are the main prblems peple face?What shuld peple d t prtect the envirnment?
Nw listen t the passage and answer the questins.
Because ur wrld is in danger.
Peple shuld becme “green cnsumers”.
Task 1: Read the first part and make the fllwing sentences int crrect rder.
( )T much CO2 pllutes the atmsphere.( )The atmsphere des nt let the heat ut.( )The atmsphere lets the sunlight in.( )The atmsphere keeps in t much heat.( )The sunlight reaches the atmsphere f the Earth.( )The greenhuse effect takes place — the Earth’s temperature increases.( )Peple burn fuels such as petrl and cal and prduce a lt f CO2.
Read and finish the fllwing tasks.
Task 2: Read the secnd part and cmplete the diagram.
We destry nature by _____________________________
dwn huge areas f frests
___________________ ______ becmes wrse.
The greenhuse effect
_________________________________ ______________________
The hmes f the animals that live in ur frests are destryed.
___________________________ __________________
The surface f the sil is easily destryed by rain.
______ take place and ____ _____________________ the envirnment.
even mre damage is dne t
Task 3: Read the third part and cmplete the diagram.
Peple ften _________________________________________, r ______________________________
use things nce and then thrw them
leave them n the grund as litter.
_________________________________
This creates muntains f rubbish.
____________________________________
This pllutes ur land and seas.
The wrds in italics explain the meanings f sme wrds n page 35. Find these wrds t cmplete the sentences. Change their frms if necessary. (P36)
As a result f
is resulting in /results in
make a difference
Cmplete the cnversatin belw with the wrds frm the bx. Change their frms if necessary. (P36)
in danger make a difference increase take actin result in
ur wrld/the Earth
The atmsphere arund the Earth
Replace the italicized wrds with infrmatin frm the article n page 35. (P37)
fuels such as petrl and cal
The increasing temperature
Cutting dwn trees
Read the article again and circle the crrect answers. (P37)
The writer gives an example f a bad habit that causes pllutin. Can yu name sme ther bad habits that cause pllutin? (P 37)
Change and wash clthes every day.
Spit everywhere.
Always drive cars t ther places.
Frget t turn ff lights when we leave the rm.
Our wrld is ________. We face many prblems.The atmsphere arund the Earth acts like _____________________. It ___ sunlight in and keeps ____ frm getting ut. Withut the atmsphere, the Earth wuld be as _____________ as the Mn. Hwever, when the atmsphere is plluted by _____, it will keep in ________ heat. This is called the _______________ and it may cause ________ t rise and make cities ________.
the glass f a greenhuse
cld and lifeless
greenhuse effect
Fill in the blanks t retell the text.
Every year, we destry nature by _______ ____ huge areas f ______. This makes the greenhuse effect _____ because trees __________ CO2 and _______ xygen. It als destrys the hmes f ___________ that live in ur frest and causes __________________ t be easily destryed by rain. This can ________ flds and even mre damage t the envirnment.
the animals
the surface f
Many f ur habits cause ________. Peple ften use things ____ and then _______________, r leave them n the grund as ____. This creates ____________________and pllutes ur land and seas.In rder t ______ the envirnment, we need t becme ________________. We shuld nly buy and use prducts ________________________. We shuld als ______ as many things as we can. We can _____ things fr the same purpse as befre, r we can use them fr ____________.
thrw them away
“green cnsumers”
friendly t the envirnment
new purpses
Discuss the questins belw in grups and then reprt yur result t the whle class. Let’s see which grup is the best! What ther bad habits d peple have in their daily lives?What shuld we d t help prtect the envirnment?
Hw green are yu?
Grup wrk II
Try t finish the fllwing test.Let’s see wh is the greenest!
1. D yu recycle A: newspapers? 1’ B: tins? 1’ C: plastic bags? 2’2. When yu make a shrt jurney, d yu A: walk r cycle? 3’ B: g by car? 0’ C: g by public transprt? 1’
3. What type f bags d yu use fr shpping? A: reusable ( e.g., basket ) 3’ B: reused plastic 1’ C: new plastic 0’4. Hw many pieces f electrical equipment are used in yur kitchen?A: 10 r mre 0’B: 5 t 9 1’C: belw 5 2’
5. D yu make sure that lights and ther electrical equipment are switched ff when nt needed? A: nearly always 2’ B: seldm 1’ C: never 0’6. D yu use dispsable chpsticks? A: ften 0’ B: seldm 1’ C: never 2’
7. D yu use paper tissues? A: ften 0’ B: seldm 1’ C: never 2’8. D yu usually take? A: a bath 0’ B: a shwer 1’
1. It is like the glass f a greenhuse, letting sunlight in and keeping heat frm getting ut.
Language pints
like, 介词，“相似；类似”。let in “放进；允许……进入”keep … frm ding sth. 意为“阻止(或防止、阻碍)……做某事”，相当于prevent … frm ding sth.，frm后多接名词或动名词。
The guard wn’t let yu in until the meeting is ver.What kept/prevented yu frm jining us last night?
2. Cutting dwn trees als destrys the hmes f the animals that live in ur frests, and causes the surface f the sil t be easily destryed by rain.
Cutting dwn trees是动名词短语，在句中作主语；destrys和causes是并列的谓语动词；that live in ur frests是定语从句，修饰名词animals。cause … t “导致……”
Water pllutin causes sea animals t die.
His carelessness resulted in him failing this examinatin.= His carelessness led t his failure in this examinatin.The fld did much damage t his car.
3. This can result in flds and even mre damage t the envirnment.
result in 意为“造成；导致”，相当于lead tdamage在此处作名词，意为“损坏；破坏”，后面通常用介词t。
4. This means that we shuld nly buy and use prducts friendly t the envirnment.
that引导宾语从句。prducts friendly t the envirnment也可以说成envirnment-friendly prducts 或envirnmentally friendly prducts.
5. Withut it, the Earth wuld be the same as the Mn—cld and lifeless. We shuld be different frm many cnsumers and becme “green cnsumers”.
the same as “(和……)相同的事物”different frm “与……不同”
The grup has expressed _______ (忧虑) abut reprts f plitical vilence in Africa.We can nly _____ (猜测) at her reasns fr leaving. They will have t ________ (增加) prductin f small cars. Many pets and artists have drawn their inspiratin  frm ______ (大自然).  5. They _______ (回收利用) empty tins s as t use the metal.  
根据所给提示，完成下列句子。
6. I gt sick and tired f learning bring grammar rules and ______ (无生命的) wrd. 7. The principal put up the exam _____ (结果).  8. _______ (摧毁)the ld wrld and build  a new ne. 9. Hw t ck, hw t clean, what is _______ (正确的) and what is nt. 10. The ________ (目的) f the bk is t prvide a cmplete guide t the university.