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
The policeman came up to the lonely house with the door __________,__________there for a while and then entered it.
A.open;to stand
B.opening;stood
C.open;stood
D.opened;standing
物业管理区域内.供水、供电、供气、供、通讯、有线电视等单位应当向谁收取有关费用?