Unit 1
Text A-1 Johnny the Explorer 1
CONTENTS 1
Unit 2
Unit 3
Unit 4
Unit 5
Text A-2 Growing Pains 5
Unit 6
Unit 7
Unit 8
Text B-1 Working While You Grow 9
Text B-2 E.T.—A Fairy Tale of the Space Age 13
Text A-1 Making Friends 17
Text A-2 Black and White 21
Text B-1 Friends 25
Text B-2 Friendship 29
Text A-1 Louis Pasteur:A Modern-Day Scientist 33
Text A-2 Can Computers Replace People? 37
Text B-1 The Scientific Method(1) 41
Text B-2 The Scientific Method(2) 45
Text A-1 A Country of Immigrants 51
Text A-2 Dolly Parton 55
Text B-1 The Automobile in American Life 59
Text B-2 I.M.Pei 63
Text A-1 Cycling for Air—With Love 67
Text A-2 The Woman of His Dreams 71
Text B-1 Early Autumn 75
Text B-2 Marriage and Romance 79
Text A-1 Alex,the Talking Parrot 83
Text A-2 Do Animals Think? 87
Text B-1 How Desert Animals Survive the Summer Heat and Dryness 93
Text B-2 The Roadrunner 97
Text A-1 A Lucky Escape 101
Text A-2 The Death Car 105
Text B-1 Jump 109
Text B-2 Afraid to Fly 113
Text A-1 Adult Education in the U.S 117
Text A-2 Nobody Can Do It like McDonald's 121
Text B-1 Correspondence Schools in the U.S 125
Text B-2 Biological Clocks 129
Appendix 133
Key to Comprehension Exercises 133