Through the changes'in the ways Of making a living in a family over several gen,erations, man has been warned against waste of natural resources and emphasizing the urgent need to preserve these resources.
Ever since man appeared on the earth, man's survival has been heavily relied on nature. Almost everything we use in our everyday life comes fromm'notate, ranging from the food we eat, the water we drink, to the wood which is tm'ned into furniture.With the development of technology and population growth, the amount and range of materials used has increased at an alarming rate.However, natural resources are not inexhaustible. Some reserves are already on the brink of exhaustion and there is no hope of replacing them. The widespread water shortage is an example in point. If man continued to squander natural resources with no thought for the future, the later generations would be in danger. It is up to us to take effective measures before the situation gets out of hand.
湘少版五下《Unit 6 Was it in the wardrobe》ppt课件
2016春湘少版版英语五下Unit 11《Who was first》ppt课件5
2016秋湘少版英语五年级上册Unit 9《What’s your hobby》ppt课件1
2016春湘少版版英语五下Unit 4《Don’t talk here》ppt课件2
2016春湘少版版英语五下Unit 1《We’re going to read stories》ppt课件1
2016秋湘少版英语五年级上册Unit 9《What’s your hobby》ppt课件
2016春湘少版版英语五下Unit 4《Don’t talk here》ppt课件1
湘少版五下《Unit 13 When is your country’s National Day》ppt课件
2016春湘少版版英语五下Unit 3《Let’s make a kite》ppt课件3
2016春湘少版版英语五下Unit 12《Where did you go》ppt课件3
2016秋湘少版英语五年级上册Unit 8《Lingling helps her parents》ppt课件1
湘少版五下《Unit 8 That’s not mine》ppt课件
湘少版五下《Unit 3 There’s a policeman near the post office》ppt课件
湘少版英语五下《Unit 9 Benny took my ball》PPT课件
2016春湘少版版英语五下Unit 3《Let’s make a kite》ppt课件2
2016春湘少版版英语五下Unit 12《Where did you go》ppt课件1
2016秋湘少版英语五年级上册Unit 9《What’s your hobby》ppt课件3
2016春湘少版版英语五下Unit 10《Where were you yestoday》ppt课件1
湘少版五下《Unit 11 What time did you see him》ppt课件
2016春湘少版版英语五下Unit 10《Where were you yestoday》ppt课件4
2016春湘少版版英语五下Unit 2《We’re going to do some research》ppt课件3
2016春湘少版版英语五下Unit 11《Who was first》ppt课件4
2016春湘少版版英语五下Unit 1《We’re going to read stories》ppt课件3
湘少版英语五下《Unit 8 That’s not mine》PPT课件
2016春湘少版版英语五下Unit 11《Who was first》ppt课件1
2016春湘少版版英语五下Unit 11《Who was first》ppt课件2
2016春湘少版版英语五下Unit 11《Who was first》ppt课件3
2016春湘少版版英语五下Unit 1《We’re going to read stories》ppt课件2
2016秋湘少版英语五年级上册Unit 9《What’s your hobby》ppt课件2
2016秋湘少版英语五年级上册Unit 8《Lingling helps her parents》ppt课件3
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