患者疑为肾结石,适宜的检查为()
A.CT扫描
B.MRI
C.B超
D.腹部平片
E.ECT
参考答案:A, C, D
_____of the students in our class is interested in skating.[ ]
A. All
B. Every
C. Each
D. Everyone
企业的各级管理层不需进行安全生产责任制与权限的培训,只对一线岗位人员培训就可以。