21世纪大学英语练习册 第3册PDF电子书下载

Part Ⅰ Exercises for Text A 1

ContentsUnit 1 1

Part Ⅱ Exercises for Text B 5

Part Ⅲ Reading Comprehension 9

Unit 2 13

Part Ⅰ Exercises for Text A 13

Part Ⅱ Exercises for Text B 17

Part Ⅲ Reading Comprehension 20

Part Ⅰ Exercises for Text A 25

Unit 3 25

Part Ⅱ Exercises for Text B 29

Part Ⅲ Reading Comprehension 33

Unit 4 38

Part Ⅰ Exercises for Text A 38

Part Ⅱ Exercises for Text B 41

Part Ⅲ Reading Comprehension 45

Part Ⅰ Exercises for Text A 50

Unit 5 50

Part Ⅱ Exercises for Text B 54

Part Ⅲ Reading Comprehension 58

Unit 6 63

Part Ⅰ Exercises for Text A 63

Part Ⅱ Exercises for Text B 67

Part Ⅲ Reading Comprehension 71

Unit 7 75

Part Ⅰ Exercises for Text A 75

Part Ⅱ Exercises for Text B 79

Part Ⅲ Reading Comprehension 83

Unit 8 88

Part Ⅰ Exercises for Text A 88

Part Ⅱ Exercises for Text B 91

Part Ⅲ Reading Comprehension 95

Part Ⅰ 99

Key to ExercisesUnit 1 99

Part Ⅱ 100

Part Ⅲ 101

Unit 2 102

Part Ⅰ 102

Part Ⅱ 103

Part Ⅲ 104

Unit 3 105

Part Ⅰ 105

Part Ⅱ 106

Part Ⅲ 107

Unit 4 108

Part Ⅰ 108

Part Ⅱ 109

Part Ⅲ 110

Part Ⅰ 111

Unit 5 111

Part Ⅱ 112

Part Ⅲ 113

Unit 6 114

Part Ⅰ 114

Part Ⅱ 115

Part Ⅲ 116

Part Ⅰ 117

Unit 7 117

Part Ⅱ 118

Part Ⅲ 119

Unit 8 120

Part Ⅰ 120

Part Ⅱ 121

Part Ⅲ 122

AppendixRate Graph 123

Comprehension Graph 124