CONTENTS 1
Lesson One 1
Text A：The Largest and Most Populous 1
Grammar：The Comparative and Superlative Form of Adjectives and Adverbs 3
Text B：New York 7
Lesson Two 10
Text A：Beach Party 10
Grammar：The Noun Clause 12
Text B：An Outing 16
Lesson Three 19
Text A：Rock and Roll 19
Grammar：The Attributive Clause（1） 22
Text B：Elvis Presley 25
Text A：Shakespeare 28
Lesson Four 28
Grammar：The Attributive Clause（2） 31
Text B：Reading Good Books 34
Lesson Five 39
Text A：What is Happiness 39
Grammar：The Infinitive（1） 42
Text B：Happiness is a Choice 46
Lesson Six 49
Text A：Ancient China 49
Grammar：The Infinitive（2） 53
Text B：Crossing a Continent 57
Lesson Seven 59
Text A：Nonverbal Communication 59
Grammar：The Adverbial Clause（1） 62
Text B：Body Talk 67
Text A：The Importance of Being Kind and Polite 72
Lesson Eight 72
Grammar：The Adverbial Clause（2） 75
Text B：Why We Walk in Circles 78
Lesson Nine 82
Text A：Picasso 82
Grammar：The Gerund 84
Text B：The Man Who Made You Laugh 87
Lesson Ten 90
Text A：Man's Best Friend 90
Grammar：The Participle 92
Text B：Kindness to Animals 96
Lesson Eleven 99
Text A：Air 99
Grammar：The Subjunctive Mood（1） 101
Text B：Heat and Temperature 104
Text A：Why are Maps Drawn with North at the Top？ 108
Lesson Twelve 108
Grammar：The Subjunctive Mood（2） 111
Text B：You Have a Choice 114
Lesson Thirteen 118
Text A：The Merchant of Venice（1） 118
Grammar：Direct and Indirect Speech 122
Text B：The Merchant of Venice（2） 125
Lesson Fourteen 128
Text A：Body Defenses against Infection 128
Grammar：Uses of“It”（1） 130
Text B：The Human Body as a Fortress 134
Lesson Fifteen 136
Text A：The lady with the lamp 136
Grammar：Uses of“it”（2） 139
Text B：The Lady of the Lamp 142
Vocabulary 144