烧结生产中二次混合加水的目的是为了（），并使小球在一定程度上长大。
参考答案：造球
There is no ______ swimming-pool in this school and the students often go to swim ______.
A．indoors; outdoors
B．indoor; outdoor
C．indoor; outdoors
D．indoor; indoors
_____can sleep with their eyes open. [ ]
A. People
B. Fish
C. Dogs
D. Elephants
