大学英语分级阅读理解 三、四级PDF电子书下载

第三级 3

Lesson 1 3

Lesson 2 6

Lesson 3 9

Lesson 4 12

Lesson 5 15

Lesson 6 18

Lesson 7 21

Lesson 8 24

Lesson 9 28

Lesson 10 31

Lesson 11 34

Lesson 12 37

Lesson 13 40

Lesson 14 43

Lesson 15 46

Lesson 16 49

Lesson 17 53

Lesson 18 56

Lesson 19 59

Lesson 20 63

Lesson 21 66

Lesson 22 69

Lesson 23 72

Lesson 24 75

Lesson 25 78

Lesson 26 81

Lesson 27 84

Lesson 28 87

Lesson 29 91

Lesson 30 94

Key to Comprehension Questions 97

第四级 101

Lesson 1 101

Lesson 2 105

Lesson 3 108

Lesson 4 111

Lesson 5 114

Lesson 6 117

Lesson 7 120

Lesson 8 123

Lesson 9 126

Lesson 10 129

Lesson 11 132

Lesson 12 135

Lesson 13 138

Lesson 14 141

Lesson 15 144

Lesson 16 146

Lesson 17 151

Lesson 18 154

Lesson 19 157

Lesson 20 160

Lesson 21 163

Lesson 22 167

Lesson 23 170

Lesson 24 173

Lesson 25 176

Lesson 26 179

Lesson 27 182

Lesson 28 185

Lesson 29 188

Lesson 30 191

Key to Comprehension Questions 194