Unit 1 1
Text Ⅰ 1
Part Ⅰ.Warm-up 1
Part Ⅱ.The text:A Big Step Forward 1
Part Ⅲ.Reflection and discussion 3
Text Ⅱ 4
Part Ⅰ.The text:Life in Shenzhou Ⅵ 4
Part Ⅱ.Reflection and discussion 4
Part Ⅲ.Supplementary information 5
Unit 2 7
Text Ⅰ 7
Part Ⅰ.Warm-up 7
Part Ⅱ.The text: Electronics with Nine Lives 8
Part Ⅲ.Reflection and discussion 9
Text Ⅱ 10
Part Ⅰ.The text: Scientists Make Phone That Turns into a Sunflower 10
Part Ⅱ.Reflection and discussion 11
Part Ⅲ.Supplementary information 12
Unit 3 13
Text Ⅰ 13
Part Ⅰ.Warm-up 13
Part Ⅱ.The text: A Worldwide Focus: Cloning 13
Part Ⅲ.Reflection and discussion 14
Text Ⅱ 16
Part Ⅰ.The text: The Path to Dolly 16
Part Ⅱ.Reflection and discussion 17
Part Ⅲ.Supplementary information 17
Unit 4 19
TextⅠ 19
Part Ⅰ.Warm-up 19
Part Ⅱ.The text: Why Save Endangered Species? 19
Part Ⅲ.Reflection and discussion 21
Text Ⅱ 22
Part Ⅰ.The text:Endangered Species 22
Part Ⅱ.Reflection and discussion 23
Part Ⅲ.Supplementary information 23
Unit 5 25
Text Ⅰ 25
Part Ⅰ.Warm-up 25
Part Ⅱ.The text:GM Foods—Helping to Feed the World 25
Part Ⅲ.Reflection and discussion 26
Text Ⅱ 27
Part Ⅰ.The text:The Future of GM Foods 27
Part Ⅱ.Reflection and discussion 28
Part Ⅲ.Supplementary information 29
Unit 6 30
Text Ⅰ 30
Part Ⅰ.Warm-up 30
Part Ⅱ.The text:Small Wonders:Nanotechnology 30
Part Ⅲ.Reflection and discussion 31
Text Ⅱ 32
Part Ⅰ.The text:How Nanotechnology Will Work 32
Part Ⅱ.Reflection and discussion 33
Part Ⅲ.Supplementary information 34
Unit 7 35
Text Ⅰ 35
Part Ⅰ.Warm-up 35
Part Ⅱ.The text:Climate Change 35
Part Ⅲ.Reflection and discussion 37
Text Ⅱ 38
Part Ⅰ.The text:Global Warming—Fact or Fiction? 38
Part Ⅱ.Reflection and discussion 39
Part Ⅲ.Supplementary information 39
Unit 8 41
Text Ⅰ 41
Part Ⅰ.Warm-up 41
Part Ⅱ.The text:Alternative Energy Sources 41
Part Ⅲ.Reflection and discussion 43
Text Ⅱ 44
Part Ⅰ.The text: Heat from the Ground 44
Part Ⅱ.Reflection and discussion 45
Part Ⅲ.Supplementary information 46
Unit 9 47
Text Ⅰ 47
Part Ⅰ.Warm-up 47
Part Ⅱ.The text:The Universe 47
Part Ⅲ.Reflection and discussion 49
Text Ⅱ 50
Part Ⅰ.The text:The Future of the Universe 50
Part Ⅱ.Reflection and discussion 51
Part Ⅲ.Supplementary information 51
Unit 10 53
Text Ⅰ 53
PartⅠ.Warm-up 53
Part Ⅱ.The text:Being Wrongs Sometimes Wins the Prize 53
Part Ⅲ.Reflection and discussion 55
Text Ⅱ 56
Part Ⅰ.The text:Nobel Prize:Do You Know...? 56
Part Ⅱ.Reflection and discussion 57
Part Ⅲ.Supplementary information 57
Vocabulary 59