17.The room is about__in diameter as the hall.a:one-third as large b:as one-third large
问题描述：
17.The room is about__in diameter as the hall.a:one-third as large b:as one-third large
c:as large one-third d:one-third large as
答
此题选择A项
此处构成的是as...as结构
考察倍数表达法 ：
倍数+ as + 形容词或副词的原级+as
翻译：这个房间在直径上是大厅的三分之一.
one-third 表示的是三分之一