Contents 1
Lesson One 1
Additional Notes 1
Word Study 3
Grammar Notes 6
Key to Exercises 9
Chinese Translation(for Reference) 14
Lesson Two 16
Additional Notes 16
Word Study 18
Grammar Notes 21
Key to Exercises 26
Chinese Translation(for Reference) 29
Lesson Three 32
Additional Notes 32
Word Study 34
Grammar Notes 38
Key to Exercises 41
Chinese Translation(for Reference) 46
Lesson Four 49
Additional Notes 49
Word Study 52
Grammar Notes 54
Key to Exercises 57
Chinese Translation(for Reference) 62
Lesson Five 66
Additional Notes 66
Word Study 69
Grammar Notes 73
Key to Exercises 76
Chinese Translation(for Reference) 83
Additional Notes 86
Lesson Six 86
Word Study 89
Key to Exercises 93
Chinese Translation(for Reference) 98
Lesson Seven 101
Additional Notes 101
Word Study 103
Grammar Notes 106
Key to Exercises 108
Chinese Translation(for Reference) 113
Additional Notes 116
Lesson Eight 116
Word Study 118
Grammar Notes 121
Key to Exercises 121
Chinese Translation(for Reference) 128
Lesson Nine 131
Additional Notes 131
Word Study 135
Grammar Notes 138
Key to Exercises 139
Chinese Translation(for Reference) 144
Lesson Ten 147
Additional Notes 147
Word Study 149
Grammar Notes 151
Key to Exercises 153
Chinese Translation(for Reference) 158
Lesson Eleven 161
Additional Notes 161
Word Study 162
Grammar Notes 165
Key to Exercises 167
Chinese Translation(for Reference) 170
Lesson Twelve 174
Additional Notes 174
Word Study 176
Key to Exercises 178
Chinese Translation(for Reference) 186
Supplementary Readings 190
Chinese Translation(for Reference) 190
8．The Far-Out Laser:Souping Up a Light Beam 207
Speed Readings 207
12．Mass Production 207
11．What Helicopters Do for Us 207
10．Bacteria 207
9．Galileo and the Lamps 207
3．The Mosques of Istanbul 207
7．Television 207
6．G1ass Goes Modern 207
5．The Telephone of Today and Tomorrow 207
4．Good Manners 207
2．The First Balloon Flight 207
1．Unique Aircraft 207