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 A-1 Cycling for 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 DoAnimals Think?

Text B-1 Natural and Applied Science

Text B-2 The Link Between Pure and Applied Science

Unit 8

Text A-1 Adult 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