9. The World Population Explosion
The human race has experienced a consistent increase in population since the beginning of its history. Famine and disease have done little to offsetthis steady increase. Too many people are added annually to the population of the world. So both the causes of population increase and the results of having more people are worth careful study.
如何做到四六级英语与考研同步复习
Culture evolution is the major factor responsible for population increase. Early in human development, people invented tools to hunt animals. Later they built shelters to protect themselves. Step by step, they made life easier. As a result, fewer died from natural forces, such as harsh climate and disease.
In the past, when population grew, there was unexplored territory to inhabit. But now, almost all the habitable land has been explored.
The worlds population may reach 8.7 billion in 2033. It is clear that world population is a serious issue that needs careful attention. Human beings are unique to solve problems through cultural evolution. Facing the world population explosion in the near future. We must carry out the birth control program in order to save the mankind and save the world.
人教版[2013版]英语七下《Unit 5 Why do you like pandas》ppt课件5
人教版[2013版]英语七下《Unit 6 I m watching TV》(Section A)ppt课件
人教版[2013版]英语七下《Unit 9 What does he look like》(Section A1a-2b)ppt课件
人教版[2013版]英语七下《Unit 9 What does he look like》(第2课时)ppt课件
人教版[2013版]英语七下《Unit 5 Why do you like pandas》ppt课件
人教版[2013版]英语七下《Unit 9 What does he look like》ppt单元课件
人教版[2013版]英语七下《Unit 9 What does he look like》(Section A3a-3c)ppt课件
人教版[2013版]英语七下《Unit7 It s raining SectionA 2d-3b》ppt课件
人教版[2013版]英语七下《Unit 9 What does he look like》(Section B3a)ppt课件
人教版[2013版]英语七下《Unit 5 Why do you like pandas》ppt课件1
人教版[2013版]英语七下《Unit7 It s raining SectionB1a-2c》ppt课件
人教版[2013版]英语七下《Unit6 I m watching TV》ppt课件3
人教版[2013版]英语七下《Unit 9 What does he look like》(第4课时)ppt课件
2014年人教新目标英语七下unit 10《I‘d like some noodles》a-1b听力材料(mp3)
人教版[2013版]英语七下《Unit 6 I m watching TV》flash动画视频
人教版[2013版]英语七下《Unit 8 Is there a postoffice near here》ppt课件3
人教版[2013版]英语七下《Unit 5 Why do you like pandas》ppt课件3
人教版[2013版]英语七下《Unit 8 Is there a postoffice near here》ppt课件1
人教版[2013版]英语七下《Unit 9 What does he look like》MP3音频素材
人教版[2013版]英语七下《Unit 9 What does he look like》(第3课时)ppt课件
2014年人教新目标英语七下unit 10 《I’d like some noodles》课件2
人教版[2013版]英语七下《Unit6 I m watching TV》ppt课件2
人教版[2013版]英语七下《Unit 9 What does he look like》(Section B1a-2c)ppt课件
人教版[2013版]英语七下《Unit7 It s raining SectionA 1a-3 》ppt课件
人教版[2013版]英语七下《Unit7 It s raining- SectionA2》ppt课件
人教版[2013版]英语七下《Unit6 I m watching TV》ppt课件1
人教版[2013版]英语七下《Unit 8 Is there a postoffice near here》MP3音频素材
人教版[2013版]英语七下《Unit 9 What does he look like》ppt课件
人教版[2013版]英语七下《Unit 5 Why do you like pandas》ppt课件4
人教版[2013版]英语七下《Unit 6 I m watching TV》(Section B)ppt课件
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |