以防大气腐蚀为主的是（）
A.沥青
B.过氯乙烯
C.红丹防锈漆
D.耐热漆
参考答案：C
属于多平面重组的图像后处理方法是
A．三维重组
B．电影显示模式
C．斜面重组
D．仿真内镜
E．CT灌注
The result suggested that you ___. So I suggested that you ____ harder in the future. [ ]
A. fail; studied
B. failed; studied
C. failed; study
D. fail; study
