右少腹作痛拒按,按之包块应手的是()
A.肠痈
B.癥积
C.蛔虫
D.泄泻
E.燥屎
参考答案:A
—How old is the bridge over there?
—Oh, very old. It _____ about three hundred years ago. [ ]
A. is built
B. was built
C. is building
D. has built
工序作业质量是直接形成工程质量的基础,为达到对工序作业质量控制的效果,在加强工序管理和质量目标控制方面应坚持的要求有( )。
A.预防为主
B.严格审查
C.重点控制
D.记录完整
E.坚持标准