分析功能中“营业区”是哪几个信息的组合（）
A、供电单位
B、核算单元
C、台区信息
D、部门信息
参考答案：A, B
_____ and short of breath, Andy and Kate were the last to arrive at the top of the high rise. [ ]
A. Being tired
B. Tired
C. Tiring
D. To be tired
压缩系数a1－2数值越大，土的压缩性越（），a1－2≥（）的土为高压缩性土。
