— How do you go to school? — [ ]
A. Thank you.
B. By car.
C. I am fine.
答案:B
煤工尘肺的晚期病理改变是()
A.煤斑
B.矽结节
C.肺气肿
D.矽性蛋白沉积
E.块状纤维化
()是人体胃气上蒸而牛的
A.舌质
B.舌苔
C.面色
D.指纹
E.脉象