女性患者,58岁,钡剂透视诊断为胃溃疡,系统治疗8周后症状减轻。适合的处置为
A.维持治疗B.幽门螺杆菌检测C.胃镜检查及活检D.复查钡剂透视E.手术治疗
参考答案:C
设A={x|x2+3k2≥2k(2x-1)},B={x|x2-(2x-1)k+k2≥0},且A⊆B,试求k的取值范围.
The inputs of developing project management plan do not include ( ).
A.project charter
B.stakeholder management strategy
C.project scope statement
D.outputs from planning processes