Unit 1 1
Unit 2 8
Unit 3 15
Unit 4 22
Unit 5 28
Unit 6 35
Unit 7 42
Unit 8 49
Unit 9 56
Unit 10 63
Unit 11 70
Unit 12 77
Unit 13 84
Unit 14 91
Unit 15 98
Unit 16 105
Unit 17 111
Unit 18 118
Unit 19 125
Unit 20 132
Unit 21 139
Unit 22 145
Unit 23 152
Unit 24 159
Unit 25 165
Unit 26 172
Unit 27 179
Unit 28 186
Unit 29 193
Unit 30 200
Unit 31 207
Unit 32 214
Unit 33 221
Unit 34 228
Unit 35 235
Unit 36 242
Unit 37 249
Unit 39 263
Unit 38 265
Unit 40 270
Key to reading comprehension and translation 276