水泥磨衬板的作用()、(),增大物料的冲击力。
参考答案:保护筒体;改变物料运动方向
Because a degree from a good university is the means to a better job, education is one of the most sophisticated areas in Japanese life.
A.complex
B.competitive
C.considerate
D.superficial
辩论中要选择最直接、最简洁、最易被操作以及()的立足点。
A、最有价值
B、理论性强
C、立论深刻
D、操作性强