患者,男性,38岁。因肾区绞痛、血尿就诊,X线示输尿管结石。缓解绞痛最重要的治疗措施是
A.大量饮水B.调节尿pHC.解痉止痛D.控制感染E.体外冲击波碎石
参考答案:C
-Can you see ?
-No. Let’s go and have a look. Maybe we can help them.
A.what was happening there
B.what are they doing there
C.what are they talking there
D.what is happening there
在财务管理中,衡量风险大小的有( )。
A.方差
B.期望值
C.标准离差
D.标准离差率