溶血性黄疸的主要特点是()。
A.血中结合胆红素增高
B.血中非结合胆红素增高
C.血中两种胆红素均增高
D.尿胆红素阳性
E.尿胆原阴性
参考答案:B
—I can't go with you. My mother is ill.
—_____.[ ]
A. Is it?
B. I'm sorry to hear that.
C. It's too bad.
D. That's wrong.
大型储罐施工宜采用()基础。
A.大块式
B.箱式
C.垫层
D.沉井式