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The country's railway system has launched online ticket-booking and a real-name

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The country's railway system has launched online ticket-booking and a real-name

The country's railway system has launched online ticket-booking and a real-name ticket purchasing system, and _______ requires passengers to provide their ID numbers when buying tickets.

A．whichB．thatC．whatD．this

试题答案

B

解析

标签：andbookingticketpurchasingname

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