Unit One Good Manners 1
Exercises for Section A 1
Exercises for Section B 3
Exercises for Section C（整体阅读理解篇） 6
Exercises for Section C（课文语言知识落实篇） 9
Exercises for Section C（语法与写作篇） 13
单元小测试 16
Unit Two Communication 20
Exercises for Section A 20
Exercises for Section B 22
Exercises for Section C（整体阅读理解篇） 25
Exercises for Section C（课文语言知识落实篇） 28
Exercises for Section C（语法与写作篇） 31
单元小测试 35
Unit Three Environment 39
Exercises for Section A 39
Exercises for Section B 41
Exercises for Section C（整体阅读理解篇） 44
Exercises for Section C（课文语言知识落实篇） 47
Exercises for Section C（语法与写作篇） 51
单元小测试 55
Unit Four Safety 60
Exercises for Section A 60
Exercises for Section B 62
Exercises for Section C（整体阅读理解篇） 65
Exercises for Section C（课文语言知识落实篇） 68
Exercises for Section C（语法与写作篇） 72
单元小测试 75
Unit Five Jobs 79
Exercises for Section A 79
Exercises for Section B 81
Exercises for Section C（整体阅读理解篇） 84
Exercises for Section C（课文语言知识落实篇） 87
Exercises for Section C（语法与写作篇） 91
单元小测试 94
Unit Six Future Life 98
Exercises for Section A 98
Exercises for Section B 100
Exercises for Section C（整体阅读理解篇） 103
Exercises for Section C（课文语言知识落实篇） 106
Exercises for Section C（语法与写作篇） 110
单元小测试 113
参考答案 117