一根水管锯成2段要5分钟,锯成5段要( )
Tom, our manager, ________ for American in two days and he has asked me to find out when the earliest plane ________ next Sunday.
有四位同学用最小刻度是厘米的卷尺测量学校花坛的宽度,他们测量的结果正确的数据是( )