标准--汽车英语10,11.doc

第13讲Unit10 typical EFI System 课前分析： 1.教学内容及时间分配 N学时Fuel injection 1学时2.教学目的 通过对文章的翻译、学习、和讲解，掌握第单元的汽车的英文知识，能够牢记该单元的汽车相关英语单词，并且能够拥有翻译Fuel injection文章的英语基础和理解能力。 3.教学重难点 重点：Fuel injection 4.教学方法 本教学环节采用理论教学方法。通过举例、多媒体演示面，学生可以更直观的学习。 5.板书布置 详见教学内容 教学内容： 0.导入 通过结合日常生活中的实例，引出汽车，从而引入正文，介绍。 New words and phrases 摇臂 rocker 凸轮轴 camshaft 正时齿轮 timing gear 燃油箱 fuel tank 燃油泵 fuel pump 汽油滤清器 gasoline filter 化油器 carburetor 空气滤清器 air cleaner 进气管 intake manifold 排气管 exhaust manifold 火花塞 spark plug 点火线圈 ignition coil 断电器 breaker 蓄电池 storage battery 发电机 generator 水泵 water pump 散热器 radiator 风扇 fan 2. The fuel tank is used to store the fuel of engine needed. It is usually located in rear of the vehicle. The fuel tank is designed to fit around frame and to be protected from impacts. These are several baffles insides the fuel tank to restrict fuel movement during rapid starts and stops, cornering, and so on. The fuel cap on the fuel tank is used to keep the fuel from splashing out, release the vacuum created by the fuel removing, and prevent vapors from escaping directly into the atmosphere. 3.The fuel levels are measured by a fuel-metering unit. One style of the unit has a hinged float inside the tank. As the float position changes with different levels of fuel, the needle position on the dashboard gauge changes. 4.作业及小结The fuel system is critical to operation. The system consists of the fuel tank, lines, pump, filter, carburetor, and injectors 第14讲Unit10 typical EFI System 课前分析： 1.教学内容及时间分配 Engine operation 1学时 Notes 1学时Fuel Pump等部分文章的英语基础和理解能力。 3.教学重难点 重点：Engine operation 4.教学方法 本教学环节采用理论教学方法。通过举例、多媒体演示面，学生可以更直观的学习。 5.板书布置 详见教学内容 教学内容： 0.导入 通过。In the bellows-type electrical fuel pump, a metal bellows is used instead of a diaphragm. It operates from the movement