首次产前检查应在()
A.确诊早孕时
B.妊娠20周
C.妊娠24周
D.妊娠28周
E.妊娠36周
参考答案:B
He moved here ten years ago. Now he _____ here.[ ]
A. used to live
B. used to living
C. is used to living
D. is used to live
高钠血症可见于()
A.慢性肾功能障碍
B.呕吐、腹泻
C.肠瘘
D.烧伤
E.尿崩症