1 Is the Earth Being Squeezed Dry?
Part I Getting ready
Part II The Earth at risk (I)
Part III The Earth at risk (II)
Part IV More about the topic: The Effects of Global Warming
Part V Do you know ...?
Part VI Reminder of key points in this unit
2 Let Birds Fly
Part I Getting ready
Part II Christmas bird counts
Part III Dolphin captivity
Part IV More about the topic: Birds -- a Source of Wealth
Part V Do you know ...?
Part VI Reminder of key points in this unit
3 EI Nino? La Nina?
Part I Getting ready
Part II EI Nino
Part IlI Lick observatory
Part IV More about the topic: The National Climatic Data Center
Part V Do you know ...?
Part VI Reminder of key points in this unit
4 Reports on Disasters & Accidents
Part I Getting ready
Part II Hurricanes & tornadoes
Part III Earthquakes
Part IV More about the topic: Earthquake Tips
Part V Do you know ...?
Part VI Reminder of key points in this unit
5 People&Places(I)
Part I Getting ready
Part II Canada
Part III Traveling Around Australia
Part IV More about the topic：The Story of Denv6r
Part V Do you know…?
Part VI Reminder of key points in this unit
6 People&Places(11)
Part I Getting ready
Part II New Zealanders
Part III What do you think of Britain?
Part IV More about the topic：Native Peoples of Alaska
Part V Do youknow…?
Part VI Reminder of key points in this unit
7 Aspects of Education(I)
Part I Getting ready
Part II Are you a good language learner?
Part III Foreign accents
Part IV More about the topic：How to Enlarge Your Vocabulary?
Part V Do you know…?
Part VI Reminder of key points in this unit
8 Aspects of Ed ucation(II)
Part I Getting ready
Part II Home schooling
Part III UK or US education?
Part IV More about the topic：Co—educational or Segregated Schools?
Part V Do you know…?
Part VI Reminder of key points in this unit
9 A Kaleidoscope of Culture
10 A Glimpse of the Age
11 Enjoy Artistic Beauty
12 Review
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