白居易《春题湖上》描绘了由（）等景物构成的西湖春景图。
A.早稻
B.暖树
C.新蒲
D.云脚
E、青山
参考答案：A, C
Living near the sea, ___________________.[ ]
A. we enjoy healthy air and beautiful sight
B. healthy air and beautiful sight is what we enjoy
C. it is healthy air and beautiful sight we enjoy
D. so we enjoy healthy air and beautiful sight
MRP经历了三个发展阶段，即MRP、闭环MRP和MRPⅡ，其中（）相当于需求计算器，（）为计划与控制系统，（）为资源协调系统。
