摘要：“An electronic showcase on wheels probably means . ［A］ a computer industry show ［B］ a network car ［C］ a car that exhibits electronic achievements ［D］ a computer that has wheels pared with an ordinary modern car, the network vehicle will have an on-board microcomputer which . ［A］ projects data on the windscreen ［B］ improves fuel economy and reduces emissions ［C］ operates anti lock brake systems ［D］ regulates the firmness of the shock absorbers

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