下列哪种疾病的病程呈自限性（）
A.矽肺
B.结节病
C.肺泡蛋白质沉积症
D.组织细胞增多症
E.特发性肺含铁血黄素沉着症
参考答案：B
His shouting was and the boys felt . [ ]
A. frightened; frightened
B. frightening; frightened
C. frightened; frightening
D. frightening; frightening
颞侧的正常白色视野为（）
A.50°
B.55°
C.60°
D.70°
E.90°
