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Unit 1

Dialogue Making a Flight Reservation 1

Text Can I Buy an Hour of Your Time? 2

Grammar　动词不定式 7

Exercises 10

Unit 2

Dialogue At the Airport（Ⅰ） 15

Text Give Yourself a Break 16

Grammar 现在分词 20

Exercises 23

Unit 3

Dialogue At the Airport（Ⅱ） 28

Text American English 29

Grammar 过去分词 33

Exercises 36

Unit 4

Dialogue At the Customs 41

Text Night Watch 42

Grammar 动名词 45

Exercises 49

Unit 5

Dialogue Giving a Gift 54

Tex Healthy Habits 55

Grammar 介词 59

Exercises 62

Unit 6

Dialogue Talking about Work 66

Text Will It Matter If I Skip Breakfast? 67

Grammar 简单句 并列句 复合句 71

Exercises 73

Unit 7

Dialogue Inviting Friends to Dinner 78

Text Life Is Made of All kinds of Feelings 79

Grammar 名词性从句 83

Exercises 87

Unit 8

Dialogue At the Bar 92

Text The Job Interview 93

Grammar 状语从句（Ⅰ） 96

Exercises 99

Unit 9

Dialogue Opening a Bank Account 103

Text Reading Books 104

Grammar 状语从句（Ⅱ） 110

Exercises 112

Unit 10

Dialogue Renting a House 117

Text How to Be a Successful Language Learner? 118

Grammar 现在完成进行时与过去完成进行时 123

Exercises 125

Unit 11

Dialogue At the Barber's 130

Text The Value of Education 131

Grammar 虚拟语气（Ⅰ） 135

Exercises 139

Unit 12

Dialogue Asking for a Leave 144

Text Three Days to See 145

Grammar 虚拟语气（Ⅱ） 150

Exercises 153

Glossary 158

Phrases＆Expressions 174

Appendix 参考译文及练习答案 177