方位投影的特点是什么？
参考答案：
在投影平面上，由投影中心（平面与球面的切点）向各方向的方位角与实地相等，其等变形线是以投影中心为圆心的同心圆。
Mr. Declan was very angry when he found his son had _____ of his warning and went to the bar with his
friends. [ ]
A. nothing
B. neither
C. none
D. either
鼻咽癌的病理类型不包括（）
A.鳞癌
B.腺癌
C.泡状核细胞癌
D.未分化癌
E.绿色癌
