中国大陆地方政府的权力结构体制属于（）体制.
A、相对议行合一
B、绝对相对议行合一
C、相对议行分立
D、绝对议行分立
参考答案：A
搞好( )的关键在于把握调查对象的代表性，它直接关系到调查效果。
A．重点调查
B．典型调查
C．抽样调查
D．市场普查
We don't have much homework now and our school bags are ______ they used to be. [ ]
A. as heavy as
B. not as heavy as
C. as heavily as
D. not as heavily as
