Unit 1 Text A-1 Welcome Letter for New First-Year Students Text A-2 Student Opinion Text B-1 A Day in the Life of Jane Wesley Text B-2 Tips for First.Year Students Unit 2 Text A-1 Making Friends Text A-2 Black and White Text B-1 Friends Text B-2 Friendship Unit 3 Text A-1 Stephen Hawking Text A-2 Can Computers Replace People? Text B-1 The Scientific Method （1） Text B-2 The_Scientific Method （2） Unit 4 Text A-1 A Country of Immigrants Text A-2 Andrew Carnegie Text B-1 The Automobile in American Life Text B-2 I.M. Pei Unit 5 Text A-1 The Waitress Text A-2 My First Job Text B-1 Jump Text B-2 The Death Car Unit 6 Text Aol Cyclingfor Air-With Love Text A-2 Internet Love Can Work Text B-1 The Woman of His Dreams Text B-2 Early Autumn Unit 7 Text A-1 Alex， the Talking Parrot Text A-2 Do Animals Think? Text B-1 Natural and Applied Science Text B-2 The Link Between Pure and Applied Science Uni~ 8 Text A-1 A'd~It Education in the U.S Text A-2 Nobody Can Do It Like McDonald's Text B-1 Continuing Education Classes Text B-2 Biological Clocks Appendix Key to Comprehension Exercises
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