一、 课文译文及课后习题答案 1
Lesson One 1
Lesson Two 10
Lesson Three 21
Lesson Four 33
Lesson Five 42
Lesson Six 52
Lesson Seven 62
Lesson Eight 72
Lesson Nine 83
Lesson Ten 94
Lesson Eleven 105
Lesson Twelve 114
Lesson Thirteen 123
Lesson Fourteen 133
Lesson Fifteen 143
二、 模拟试题 153
Test 1 153
Test 2 175
Test 3 195
Test 4 214
Test 5 234
Test 6 253
Test 7 273
Test 8 292
Test 9 311
Test 10 330
Test 11 349
Test 12 367
Test 13 386
Test 14 406
Test 15 427