摘要：22．Qinghai-Tibet Railwaywas completed last year．It is the railway that connects Tibet with the other parts of China． A．first B．second C．third D．fourth
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Qinghai-Tibet Railway(青藏铁路) was completed last year. It is the __________ railway that connects Tibet with the other parts of China.
| A．first | B．second | C．third | D．fourth |