第一章 难度等级 1
Reading Exercise 1 1
Reading Exercise 2 13
Reading Exercise 3 24
Reading Exercise 4 36
Reading Exercise 5 48
第二章 难度等级 61
Reading Exercise 1 61
Reading Exercise 2 72
Reading Exercise 3 82
Reading Exercise 4 93
Reading Exercise 5 106
第三章 难度等级 119
Reading Exercise 1 119
Reading Exercise 2 131
Reading Exercise 3 142
Reading Exercise 4 153
Reading Exercise 5 166
第四章 难度等级 178
Reading Exercise 1 178
Reading Exercise 2 190
Reading Exercise 3 202
Reading Exercise 4 214
Reading Exercise 5 225
第五章 难度等级 237
Reading Exercise 1 237
Reading Exercise 2 249
Reading Exercise 3 262
Reading Exercise 4 274
Reading Exercise 5 285
第六章 难度等级 296
Reading Exercise 1 296
Reading Exercise 2 308
Reading Exercise 3 320
Reading Exercise 4 333
Reading Exercise 5 346
参考答案 358