Part Ⅰ Reading Comprehension 1
Lesson One The Classification of Aircraft 2
Lesson Two The Parts of an Airplane 9
Lesson Three Why Airplanes Fly（Ⅰ） 15
Lesson Four Why Airplanes Fly（Ⅱ） 22
Lesson Five Controlling the Airplane in Flight 31
Lesson Six Boeing 767 GE CF6-80C2F Engine 38
Lesson Seven The Oil System 55
Lesson Eight Airplane Fuels 60
Lesson Nine Fuel Systems 65
Lesson Ten The Electrical System 71
Lesson Eleven Flight Instrument（Ⅰ） 76
Lesson Twelve Flight Instrument（Ⅱ） 80
Lesson Thirteen Vertical Speed Indicator 84
Lesson Fourteen The Gyroscopic Instruments 88
Lesson Fifteen The Heading Indicator 92
Lesson Sixteen Fault Isolation on 767 Electrical System 94
Lesson Seventeen Boeing 767 Fuel System 97
Part Ⅱ Translation 105
1．Aerodynamics and Civilization 106
2．Flying Like a Bird 111
3．The First Aeroplanes 115
4．How Aircraft Are Built 117
5．Helicopters 121
6．Space Shuttle,the Next Twenty-Five Years 124
7．The Airplane Engine 128
8．Computer Applications in the Development of Efficient Aircraft Structures 131
9．Hydraulic Control 137
10．What Is Control Systems Engineering 143
11．Applications of Automatic Control 147
12．Using Flight Instruments 151
13．Jet Engines 154
14．Power-Plant Forms 156
15．The Basic Problems of Automation in Production Process 160
16．Modern Navigation——A Survey 163
17．Guidance and Control Systems 169
18．Subassembly Tooling 172
Part Ⅲ Supplementary Reading 183
Key 203