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【正文】 Midterm Examination Midterm Examination ? Step I. General idea of Midterm exam ? Step II. Testing ? Asking students to plete the paper in limited time Midterm Examination ? I. Fill in the blanks below: (20%) ? The ___________ which is called the “ heart” of a vehicle is used to supply __________ for an automobile. ? Power is produced by the linear motion of a piston in a ___________. ? The ____________________ engine means the engine burns the fuel with in the cylinders. ? The function of ______________ is to help the engine run smoothly by absorbing some of the energy during power stroke and release it during the other strokes. Midterm Examination ? It is wellknown that the automobile is posed of four sections such as ? ____________,_____________,______________, __________________. ? The four pist
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