目錄:Unit 1
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: A Big Step Forward
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test: Life in Shenzhou VI
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 2
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: Electronics with Nine Live
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test: Scientists Make Phone That Turns into a Sunflower
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 3
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: A Worldwide Focus: Cloning
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test: The Path to Dolly
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 4
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: Why Save Endangered Species?
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test: Endanered Species
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 5
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: Gm Foods-helping to Feed the World
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test: The Future of GM Foods
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 6
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: Small Wonders: nanotechnology
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test:How Nanotechnology Will Work
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 7
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: Climate Change
Part Ⅲ Reflection and Discussion
Test Ⅰ
Part Ⅰ Test: Global Warming-Fact or Fiction?
Part Ⅱ Reflection and discussion
Part Ⅲ Supplementary iformation
Unit 8
Test Ⅰ
Part Ⅰ Warm-up
Part Ⅱ The text: Alternative Energy Sources
Part Ⅲ Reflection and Discussion
……
Unit 9
Unit 10
Vocabulary