—How much water is there in the glass?
—Only _____. [ ]
A. a few
B. few
C. a little
答案:C
极值L表示一组数据中的( )。
A.最大值
B.最大值与最小值之差
C.最小值
D.最大值和最小值
当浴盆上附设淋浴器时,其额定流量和当量只计水嘴,不计淋浴器,水压按照()计。