问题
选择题
–_______________ does a CRH train run? –It runs up to more than 300 km an hour.
A．How long
B．How far
C．How fast
D．How soon
答案
答案：C
题目分析: 句意：中国高铁时速多快？它最高达一小时300多公里。How long多久，How far多远，How fast多快，How soon多久。根据 more than 300 km an hour.一小时300多公里，可知是询问时速，故选C