根据费雪的最优消费理论,如果消费的边际替代率小于(1+r),则应增加第1期储蓄。( )
建设工程施工单位进度主要应用的网络计划是( )。
患者,女,35岁,G2P1,停经70天,阴道不规则流血6天,下腹隐痛。妇科检查:宫底平脐,质软,未触及胎体,尿液HCG(+)。经治疗后,在随访中无需常规进行的是
As for a lesson plan, a teacher says, "When do lesson planning, I always prepare some extra and alternative tasks and activities so that I have the options to cope with the unexpected situations."According to the teacher's words, we can know that the teacher follows the principle of_______ in lesson planning.
根据《突发事件应对法》第 2 条及突发事件的核心要素,下列关于 “突发事件” 的表述正确的是( )