对特别杂乱的低产林分应实行（）。
A、全面改造
B、块状改造
C、综合改造
参考答案：C
The audience________before TV sets are listening to Yi Zhongtian's stories with their eyes________
upon him.[ ]
A. seating; fixing
B. seated; fixing
C. seated; fixed
D. seating; fixed
约当产量是指将月末在产品数量和当月完工产品数量之和。( )
