Unit One Section A Basic Structure of Automobile Section B History of Automobile Industry Section C Dialogue At the 4S Store Unit Two Section A Components and Operation of the Engine Section B Troubles and Maintenance of Engines Section C Karl Benz Unit Three Section A Engine Fuel System Section B Fuel Injector and Its Maintenance Section C Dialogue Price Unit Four Section A Engine Exhaust System Section B Emission Control System Section C BMW Unit Five Section A Engine Cooling System Section B Cooling System Troubleshooting Section C Dialogue Terms of Payment Unit Six Section A Engine Lubrication System Section B Engine Lubricating Oil Section C Henry Ford Unit Seven Section A Engine Ignition System Section B Battery and Its Maintenance Section C Dialogue At the Auto Beauty Shop Unit Eight Section A Clutches Section B Clutch Troubleshooting Section C General Motors Corporation Unit Nine Section A Transmission Section B Checking and Servicing the Automatic Transmission Section C Dialogue In the Auto Repair Shop Unit Ten Section A Suspension System Section B Leaf Spring Maintenance Section C Toyota Unit Eleven Section A Steering System Section B Causes of Steering Troubles Section C Dialogue Auto Insurance Unit Twelve Section A Brake System Section B Antilock Brake System (ABS) Section C FAW-VW Appendix Ⅰ. Key to the Exercises Ⅱ. The Abbreviations Ⅲ. The Names of Cars References