引起中心静脉压升高的因素有()
A.由直立位改为平卧位
B.骨骼肌的活动减少
C.容量血管收缩
D.输血或输液过多、过快
E.右心室射血功能减弱
参考答案:C, D, E
单项合同在合同发包时,重点对()、预算、价格进行综合分析和控制。坚持限额或包干的费用使用方式。
He easily adapts to new situations and it didn't take a long time to _____ with his new job.[ ]
A. fit in
B. calm down
C. keep up
D. get away