仁爱科普版九年级上册Topic 3 What can we do to protect the environment?课文课件ppt

这是一份仁爱科普版九年级上册Topic 3 What can we do to protect the environment?课文课件ppt，共30页。PPT课件主要包含了Three ， 300，Structure，Homework，Summary，Thank you，both，and，that，takes等内容，欢迎下载使用。
Pre-reading
Write dwn the Chinese meaning f the wrds
bigas_______ acid rain_______nuclear______ renewable______electric______ efficient______best-knwn _________technlgy__________require________ prcess______guide__________
all the time _________ 日常生活 _____________电动车辆___________maglev train ________ German-built________最高时速431公里_________________maglev guide paths___________traditinal steel railways__________
peple’s everyday lives
electric vehicle
a tp speed f 431km per hur
While -reading
Read 1a quickly and answer the fllwing questins？
Hw many new ways t prduce pwer are mentined in the passage？What are they？
Bigas，electric and maglev train
1a Read and understand. Lk at the pictures. D yu knw what they are? Chse the right picture fr each paragraph.
Paragraph 2
Paragraph 3
Paragraph 4
electric vehicle
maglev train
bigas technlgy
·Read each paragraph carefully.
·Try t get the meaning f each paragraph.
Enjy yur reading,enjy yur study.
Read Paragraph 1 again, and then mark True (T) r False (F).
( ) It’s gd that peple prduce pwer frm cal. ( ) Nuclear pwer is dangerus,s we must use it carefully. ( ) Peple all ver the wrld are lking fr new ways t prduce pwer.
Paragraph 1
Paragraph 2
Paragraph 3
save energy
n pllutin
quiet and quick
much mre expensive
energy-efficient
Match the infrmatin.
1c Cmplete the table.
save energy
t small t hld many peple
quiet, quick, energy-efficient, n pllutin
much mre expensive than traditinal steel railways
save energy, n pllutin
the new ways t prduce pwer
After-reading
prduce electricity
prduce electricity and heat fr factries
The renewablesurces
We learn: 1. Sme wrds: technlgy, wheel, steel, require, German, guide , deep 2.Sme phrases: run ut 3.Sme sentences: (1)In many cuntries, peple prduce pwer frm cal, but it is very dirty and causes acid rain. (2)They will never run ut s they are called renewable surces.We can: Talk abut the advantages and disadvantages f sme kinds f energy.
Tell us the Chinese meaning f the secnd paragraph
Read the secnd paragraph ludly with the whle grup.
Chse the best answers.
( )1. Which cuntry is the first t use bigas?
( )2. Farmers recycle _______ t make bigas.
B. animal waste
D. All f the abve
( )3. Which f the fllwing is TRUE accrding t the passage?
A. Bigas is used in peple's everyday lives.
B. The cst f bigas is nt very high.
C. The prcess f making bigas requires a shrt time.
D. It takes peple at mst 20 days t make bigas.
Electric vehicles were develped in ______.
2. In _____ a new kind f electric vehicles was shwn in Shanghai Wrd Exp.
Fill in the blanks with time
Electric vehicles were __________ in the 1990s. On April 11, 2010, a new kind f electric vehicle _______ “Yezi” was shwn in the 2010 Shanghai Wrld Exp. It prduces _________ frm the sun, the wind and CO2. It can nt nly prtect the envirnment but als _____ energy. It’s t small t hld many peple, but _______ mdels will be develped in the near future.
Fill in the blanks.
electricity
It can nt nly prtect the envirnment but als save energy.
It can _____ prtect the envirnment ______save energy.
2. It’s t small t hld many peple.
It’s nt _________ t hld many peple.
It’s ___ small ______ it can’t hld many peple.
Write dwn sentences which has the same meaning.
1.去30公里以外的飞机场只需花费人们七分 钟的时间。
It _______ peple just 7 minutes t g t the airprt 30 km away.
2.火车最高时速能够达到每小时431公里。
The train can _____ a tp speed f 431 km per hur.
Fill in the blank and read the sentences.
Gd luck！
Maglev guide paths are much mre expensive than traditinal steel railways.
Traditinal steel railways are________expensive ___ maglev guide paths
Match the wrds with the pictures.
A. acid rain B. nuclear energy C. bigas