尿液检查项目中哪一项对诊断泌尿系结核没有意义()
A.尿液显微镜检查
B.尿找结核菌
C.尿pH值检查
D.尿比重
E.尿结核菌PCR检测
参考答案:D
The entrance examination is approaching.It's time we got down to________for it.[ ]
A. preparing
B. prepare
C. having prepared
D. be prepared
()对运动效果与安全有直接的影响。