[单选题] The __ converts the rotation motion of the steering wheel into the straight-line motion.

1、[单选题]What is the most common problem associated with clutches?

• A、The friction material on the disk makes a whining noise.
• B、The friction material on the disk wears out.
• C、 The friction material on the disk lasts too long.

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2、[单选题]The __ converts the rotation motion of the steering wheel into the straight-line motion.

• A、drag link
• B、tie rod
• C、 Steering knuckle
• D、 Steering gear

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3、[单选题]What does MSRP stand for ?

• A、Manufacturer suggested rate plan.
• B、Manufacturer suggested retail price.
• C、Manufacturer suggested ranking place.

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4、[单选题]Spark timing is so critical to an engine’s performance that most modern cars use a sensor to tell the engine control unit(ECU) __ .
l.

• A、the exact temperature of the spark plugs.
• B、the exact position of the pistons.
• C、 the exact location of the coi

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5、[主观题]【翻译】柴油机发动机根据喷油方法不同，活塞头部可以形成全部燃烧室，也可以是燃烧室的一部分．

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