面对我国营养不良现状公共营养师应该树立治疗为主的观念。( )
参考答案：错
解析：面对我国营养现状应该树立预防为主的观念。
直线y=-2x+m与y=mx-3的交点坐标为（2，n），则m=______，n=______．
-Do you think it true that all the theories should ________ facts?
-I don't suppose so. If so, there would be no predictions(预言) [ ]
A. be made on
B. be based on
C. be set up with
D. be built with
