Ⅰ．Pre-reading Questions先导提问 1
Ⅱ．Appetizer for Reading开胃导读 1
Unit 1 Life Science生命足迹 声声不息 1
Section A Careful Reading细读 2
Section B Fast Reading速读 17
Section C Free Reading开心一读 22
Unit 2 Environmental Protecion和谐自然 绿色家园 26
Ⅰ．Pre-reading Questions先导提问 26
Ⅱ．Appetizer for Reading开胃导读 26
Section A Careful Reading细读 27
Section B Fast Reading速读 45
Section C Free Reading开心一读 49
Ⅱ．Appetizer for Reading开胃导读 52
Unit 3 Scientific Technology走进科技新时代 52
Ⅰ．Pre-reading Questions先导提问 52
Section A Careful Reading细读 53
Section B Fast Reading速读 69
Section C Free Reading开心一读 74
Unit 4 Mechanism汽车革“心”“心”为我动 77
Ⅰ．Pre-reading Questions先导提问 77
Ⅱ．Appetizer for Reading开胃导读 77
Section A Careful Reading细读 78
Section B Fast Reading速读 96
Section C Free Reading开心一读 101
Ⅱ．Appetizer for Reading开胃导读 105
Unit 5 Energy Crisis祸从天降 危机凸显 105
Ⅰ．Pre-reading Questions先导提问 105
Section A Ca reful Reading细读 106
Sectior B Fast Reading速读 121
Section C Free Reading开心一读 126
Unit 6 Mental World心灵世界 130
Ⅰ．Pre-reading Questions先导提问 130
Ⅱ．Appetizer for Reading开胃导读 130
Section A Careful Reading细读 131
Section B Fast Reading速读 146
Section C Free Reading开心一读 151
Ⅱ．Appetizer for Reading开胃导读 155
Ⅰ．Pre-reading Questions先导提问 155
Unit 7 Human Intelligence神秘的智慧之源 155
Section A Careful Reading细读 156
Section B Fast Reading速读 171
Section C Free Reading开心一读 176
Unit 8 The Lost Colony从人们视线中消失的早期殖民者 180
Ⅰ．Pre-reading Questions先导提问 180
Ⅱ．Appetizer for Reading开胃导读 180
Section A Careful Reading细读 181
Section B Fast Reading速读 196
Section C Free Reading开心一读 200
Appendix Ⅰ 参考译文 204
Appendix Ⅱ 习题答案 221
