直线y=x+2与y轴的交点坐标是( )
A.(0,2)
B.(0,-2)
C.(2,0)
D.(-2,0)
答案:A
令,得所以直线y=x+2与y轴的交点坐标是(0,2),选A
血管内导管相关感染患者,无明确免疫低下、心脏瓣膜病和血管内假体,抗生素治疗反应性好,治疗疗程为()
A.≤2周
B.≥2周
C.2周
D.≥4周
E.≥6周
Anyhow Robbie intended to _ the boy as his son, [ ]
A. confess
B. admit
C. acknowledge
D. recognize