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仁爱科普版九年级上册Topic 2 All these problems are very serious.说课课件ppt
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这是一份仁爱科普版九年级上册Topic 2 All these problems are very serious.说课课件ppt，共15页。PPT课件主要包含了被覆盖，seems to，plenty of，take，away，Exercises ，avoid，discover，day by day，thirstier 等内容，欢迎下载使用。
What can yu learn frm the shrt mvie?Water is imprtant. Because humans, animals and plants can’t live withut water.
Nearly three furths f the earth is cvered with water.
water n the earth
/'nɪəlɪ /几乎、将近
While there is s much water arund the wrld, we humans are still shrt f drinking water. S d animals and plants. D yu knw why?
be shrt f 缺乏……
1. Why is ur earth thirsty when ¾ f the earth is cvered with water? Because abut 97% f the water n the earth is sea water and we can’t use it fr watering plants r drinking directly.2. What kind f water can humans drink and use? Humans can nly drink and use fresh water frm places including rivers, lakes and undergrund.
( )Althugh the wrld is hungry, it is even thirstier. While nearly ¾ f the earth is cvered with water, we are still shrt f drinking water. This is because abut 97% f the water n the earth is sea water. S we can’t use it fr watering plants r drinking directly. Humans can nly drink and use fresh water frm places including rivers, lakes and undergrund.
Read and answer.Hw can we avid a serius water shrtage? First, we shuld save water and nt waste it. Secnd, we shuld prtect ur water resurces and nt pllute them. Third, we shuld discver ways t reuse water.
( ) Hw can we avid a serius water shrtage? First, we shuld save water and nt waste it. Secnd, we shuld prtect ur water resurces and nt pllute them. Third, we shuld discver ways t reuse water. Scientists have made sme prgress in this field. Tday, sme large cities are reusing their water. But peple’s need fr water is increasing day by day. We still dn’t have enugh water. What else can we d?
Read Paragraph2 and mark T r F.( ) Scientists haven’t made any prgress in this field.( ) Water is reused nwhere.( ) Peple’s need fr water is increasing day by day.
Listen t Paragraph3 and fill in the blanks
( ) The sea______ ____ have the best answer. There is ______ ___water in the sea. But we need t ____the salt _____frm the sea water . This is very expensive. If scientists can find cheaper ways t d it, we can ______ ___ _________f the shrtage f water.
slve the prblem
Q: Hw can we change sea water int fresh water? We need t take the salt away frm the sea water.
Enjy Reading
be shrt fn the earthuse sth fr sth/ding sthavid sthmake (sme) prgressin the fieldday by dayseem t d sthplenty f take away the shrtage f
1. 缺乏……2. 在地球上3. 用某物做某事4. 避免某事 5. 取得（一些）进步6. 在这个领域7. 一天天8. 似乎/好像做某事9. 大量的10. 带走、拿走11. ……的缺乏
Key phrases
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
ne by ne year by yearstep by step
一个接一个一年年一步步
If we want t use the sea water, we must ______ ___(拿走） the salt frm the sea water. Hw can we _________(避免) a serius water shrtage? We shuld __________(找到) ways t reuse water. Peple’s need fr water is increasing ____________(一天天).Althugh the wrld is hungry, it is even ______(更渴的)While ___________(几乎，差不多)¾ f the earth is cvered with water, we are still shrt f drinking water.
take away
Water pllutin
less fresh water
We shuld prtect and save water.
Hw t prtect and save water?
Example: Pass laws( n.法律) against water pllutin. Cllect and reuse waste water. ————————————————————————————5. ————————————————————6. ——————————————————________________________________________…
Turn ff the taps in time
Take a shwer instead f a bath
stp…frm…, pur…int…, turn ff, tap(水龙头), wash clthes/vegetables, clean the flr, thrw…int…
Stp the factries frm puring waste water int rivers.
Dn’t thrw litter int the water
After we wash clthes r vegetables, we can reuse the water t clean the flr.
T save water is t save life.
Dn't let the last drp f water becme ur tears
We learn: 1. sme wrds: avid, discver, thirsty, nearly, law 2. sme phrases: day by day, be shrt f 3. sme sentences: (1)But peple’s need fr water is increasing day by day. (2)While nearly ¾ f the earth is cvered with water, we are still shrt f drinking water.We can: 1.Talk abut ways f saving water. 2.Summarize and use the indefinite prnun and adverb crrectly. 3. Write a prpsal.
3. Write a prpsal( 提议) abut saving water t all the students in yur schl.
My dear friends, Water is very imprtant t human beings. Let’s d smething t prtect and save it. First, ____________________ . Secnd,_______________________________. Third, _______________________________. Let’s try ur best t save water and ur planet. _________
_____________
What can yu learn frm the shrt mvie?Water is imprtant. Because humans, animals and plants can’t live withut water.
Nearly three furths f the earth is cvered with water.
water n the earth
/'nɪəlɪ /几乎、将近
While there is s much water arund the wrld, we humans are still shrt f drinking water. S d animals and plants. D yu knw why?
be shrt f 缺乏……
1. Why is ur earth thirsty when ¾ f the earth is cvered with water? Because abut 97% f the water n the earth is sea water and we can’t use it fr watering plants r drinking directly.2. What kind f water can humans drink and use? Humans can nly drink and use fresh water frm places including rivers, lakes and undergrund.
( )Althugh the wrld is hungry, it is even thirstier. While nearly ¾ f the earth is cvered with water, we are still shrt f drinking water. This is because abut 97% f the water n the earth is sea water. S we can’t use it fr watering plants r drinking directly. Humans can nly drink and use fresh water frm places including rivers, lakes and undergrund.
Read and answer.Hw can we avid a serius water shrtage? First, we shuld save water and nt waste it. Secnd, we shuld prtect ur water resurces and nt pllute them. Third, we shuld discver ways t reuse water.
( ) Hw can we avid a serius water shrtage? First, we shuld save water and nt waste it. Secnd, we shuld prtect ur water resurces and nt pllute them. Third, we shuld discver ways t reuse water. Scientists have made sme prgress in this field. Tday, sme large cities are reusing their water. But peple’s need fr water is increasing day by day. We still dn’t have enugh water. What else can we d?
Read Paragraph2 and mark T r F.( ) Scientists haven’t made any prgress in this field.( ) Water is reused nwhere.( ) Peple’s need fr water is increasing day by day.
Listen t Paragraph3 and fill in the blanks
( ) The sea______ ____ have the best answer. There is ______ ___water in the sea. But we need t ____the salt _____frm the sea water . This is very expensive. If scientists can find cheaper ways t d it, we can ______ ___ _________f the shrtage f water.
slve the prblem
Q: Hw can we change sea water int fresh water? We need t take the salt away frm the sea water.
Enjy Reading
be shrt fn the earthuse sth fr sth/ding sthavid sthmake (sme) prgressin the fieldday by dayseem t d sthplenty f take away the shrtage f
1. 缺乏……2. 在地球上3. 用某物做某事4. 避免某事 5. 取得（一些）进步6. 在这个领域7. 一天天8. 似乎/好像做某事9. 大量的10. 带走、拿走11. ……的缺乏
Key phrases
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
ne by ne year by yearstep by step
一个接一个一年年一步步
If we want t use the sea water, we must ______ ___(拿走） the salt frm the sea water. Hw can we _________(避免) a serius water shrtage? We shuld __________(找到) ways t reuse water. Peple’s need fr water is increasing ____________(一天天).Althugh the wrld is hungry, it is even ______(更渴的)While ___________(几乎，差不多)¾ f the earth is cvered with water, we are still shrt f drinking water.
take away
Water pllutin
less fresh water
We shuld prtect and save water.
Hw t prtect and save water?
Example: Pass laws( n.法律) against water pllutin. Cllect and reuse waste water. ————————————————————————————5. ————————————————————6. ——————————————————________________________________________…
Turn ff the taps in time
Take a shwer instead f a bath
stp…frm…, pur…int…, turn ff, tap(水龙头), wash clthes/vegetables, clean the flr, thrw…int…
Stp the factries frm puring waste water int rivers.
Dn’t thrw litter int the water
After we wash clthes r vegetables, we can reuse the water t clean the flr.
T save water is t save life.
Dn't let the last drp f water becme ur tears
We learn: 1. sme wrds: avid, discver, thirsty, nearly, law 2. sme phrases: day by day, be shrt f 3. sme sentences: (1)But peple’s need fr water is increasing day by day. (2)While nearly ¾ f the earth is cvered with water, we are still shrt f drinking water.We can: 1.Talk abut ways f saving water. 2.Summarize and use the indefinite prnun and adverb crrectly. 3. Write a prpsal.
3. Write a prpsal( 提议) abut saving water t all the students in yur schl.
My dear friends, Water is very imprtant t human beings. Let’s d smething t prtect and save it. First, ____________________ . Secnd,_______________________________. Third, _______________________________. Let’s try ur best t save water and ur planet. _________
_____________
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