she can run-----30kilometers an hourA.as faster as B.so fast as C.so faster as D.as fast as
问题描述：
she can run-----30kilometers an hour
A.as faster as B.so fast as C.so faster as D.as fast as
答
选D，句意为她可以跑的快到30千米每小时
答
D
答
选D as /so +形容词原级+ as 表明 “快达”、“长达”、”高达“ 等等意思 不能加比较级等形式