摘要： [2010·浙江宁波十校联考]China began selling tickets for the Wuhan-Guangzhou high-speed railway, boasts the world's fastest train journey with a 350km per hour average speed. A. which B. that C. it D. what 22A考查非限制性定语从句.此处which指the Wuhan-Guangzhou high-speed railway.

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