项目可行性研究的厂址选择是项目的()。
A．布局
B．选位
C．选点
D．定址
参考答案：D
He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.
A．known to find
B．knowing to find
C．known finding
D．knowing finding
皮带跑偏的原因之一是传动滚筒与尾轮滚筒不平行。（）
