Unit One 1
Dialogue:Greetings 1
Text:Learning a Language 1
Grammar：人称代词；物主代词 5
Word Study:learn,say,speak,tell,use 5
Exercises 6
Reading Practice:Spelling English 9
Unit Two 11
Dialogue:Parting 11
Text:Ants:The Interesting Life of a Social Insect 11
Grammar:There be结构与have动词 15
Word Study:seem,feed,remind,prevent,put 15
Exercises 16
Reading Practice:The Donkey and the Camel 19
Unit Three 21
Dialogue:Meeting a Friend 21
Text:Good Manners 21
Grammar：名词的单复数和名词所有格Word Study:know,leave,show,mean,meet 25
Exercises 26
Reading Practice:The Languages and Customs of Different Countries 28
Unit Four 30
Dialogue:Daily Life? 30
Text:What Are You? 30
Grammar：一般现在时 33
Word Study:want,help,go,give,get 33
Exercises 34
Reading Practice:Mr,Mrs,Miss and Ms 37
Unit Five 39
Dialogue:Hobbies 39
Text:Air Pollution 39
Grammar：现在进行时和将来时 43
Word Study:raise,realize,send,throw,act 43
Exercises 44
Reading Practice:Oil Pollution 47
Unit Six 49
Dialogue:Climate 49
Text:The Sea 49
Grammar：疑问句；反意疑问句 53
Word Study:cover,carry,sink,reach,hope 53
Exercises 54
Reading Practice:Half the World Is Water 56
Unit Seven 58
Dialogue:How to Go to the Bus Stop? 58
Text:My Uncle Tom 58
Grammar：一般过去时 62
Word Study:matter,clean,allow,play,think 62
Exercises 64
Reading Practice:Marco Polo 66
Unit Eight 68
Dialogue:Renew A Book 68
Text:A Trip to the Moon 68
Grammar：数词；冠词 1
Word Study:like,let,run,come,prefer 73
Exercises 74
Reading Practice:Life on the Moon 76
Unit Nine 78
Dialogue:Register A Letter 78
Text:Coffee and Tea 78
Grammar：被动语态 83
Word Study:add,make,prepare,serve,try 83
Exercises 84
Reading Practice:Fast-food Restaurants in the United States 87
Unit Ten 89
Dialogue:Open an Account 89
Text:Medicine in the Future 89
Grammar：现在完成时 93
Word Study:change,live,stop,believe,become 93
Exercises 95
Reading Practice:The Future Problems 97
Unit Eleven 99
Dialogue:Arts and Crafts Counter 99
Text:Buying on the Installment Plan 99
Grammar：介词 1
Word Study:plan,fail,remain,result,last 103
Exercises 104
Reading Practice:Installment Buying in the U.S 107
Unit Twelve 109
Dialogue:Seeing A Doctor 109
Text:New Year's Celebration 109
Grammar：形容词和副词的比较级与最高级Word Study:measure,celebrate,observe,include,gather 114
Exercises 115
Reading Practice:Christmas 118
附录1 基本词汇800 120
附录2 总词汇表 129