CONTENTS 3
PART Ⅰ PRACTICE TESTS（试题） 3
Set One 3
Set Two 8
Set Three 13
Set Four 18
Set Five 24
Set Six 29
Set Seven 35
Set Eight 40
Set Nine 46
Set Ten 52
Set Eleven 57
Set Twelve 63
Set Thirteen 68
Set Fourteen 73
Set Fifteen 78
Set Sixteen 84
Set Seventeen 90
Set Eighteen 95
Set Nineteen 101
Set Twenty 107
Set Twenty-one 113
Set Twenty-two 119
Set Twenty-three 125
Set Twenty-four 132
Set Twenty-five 138
Set Twenty-six 144
Set Twenty-seven 150
Set Twenty-eight 156
Set Twenty-nine 162
Set Thirty 168
PART Ⅱ EXPLANATORY NOTES ON THE TESTS（题解） 177
Set One 177
Set Two 194
Set Three 212
Set Four 228
Set Five 244
Set Six 260
Set Seven 276
Set Eight 291
Set Nine 310
Set Ten 328
Set Eleven 345
Set Twelve 364
Set Thirteen 380
Set Fourteen 396
Set Fifteen 411
Set Sixteen 428
Set Seventeen 444
Set Eighteen 461
Set Nineteen 477
Set Twenty 493
Set Twenty-one 510
Set Twenty-two 526
Set Twenty-three 542
Set Twenty-four 558
Set Twenty-five 574
Set Twenty-six 590
Set Twenty-seven 605
Set Twenty-eight 622
Set Twenty-nine 638
Set Thirty 657