Unit 1 Changes in the Way We Live Part Ⅰ Pre-Reading Task Part Ⅱ Text A Mr Doherty Builds His Dream Life Part Ⅲ Theme-Related Language Learning Tasks Writing Strategy:Using Comparison and contrast in essay writing(2) Unit 2 Civil-Rights Heroes Part Ⅰ Pre-Reading Task Part Ⅱ Text A The Freedom Givers Part Ⅲ Text B The Dream,the Star and Dr.King Part Ⅳ Theme-Related Language Learning Tasks Writing Strategy:Using library resources Unit 3 Security Part Ⅰ Pre-Reading Task Part Ⅱ Text A The Land of the Lock Part Ⅲ Text B Why I Bought a Gun Part Ⅳ Theme-Related Language Learning Tasks Writing Strategy:Using cause and effect in essay writing(2) Unit 4 Extraterrestrial Test Yourseif(Units1-4) Unit 5 How to Celebrate Holidays Unit 6 The Human Touch Unit 7 Making a Living Unit 8 Cloning Tesy Yourself(Units5-8) Appendix Ⅰ Key to Exercises in Parts Ⅰ,Ⅲ,Ⅳ Appendix Ⅱ Tapescripts and Key to Test Papers Appendix Ⅲ Glossary