问题
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Insufficient end clearance on newly fitted piston rings in a diesel engine will cause the
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What will happen on January 5th?A.People will notify the city government of the traffic pr
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回答题。 Manners on the RoadsIt is all very well to blame traffic jams, the cost of petro
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What will the professor probably discuss next?A.Measures designed to solve problems caused
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What will future news reports focus on when talking about transportation?A.Air traffic con
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According to this passage, troubles on the road are primarily caused by _______.A.traffic
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