房屋建筑工程施工的安全管理检查评定时,下列选项中不是模板工程检查评定的保证项目的是()
A、支架基础
B、支架构造
C、支架稳定
D、底座与托撑
参考答案:D
心脏贯通伤出现的贝克三联症(Beck triad),是指()
A.中心静脉压正常;心搏微弱;动脉压降低
B.静脉压升高、颈静脉怒张;心音遥远、心搏微弱;动脉压降低、脉压小
C.静脉压降低;心音遥远;脉压变小
D.中心静脉压升高;心音逐渐变弱;动脉压逐渐降低
E.静脉压升高;心音正常;脉压差增大
Yesterday I went to buy a computer. There were so many models for us _____ in the shop that I was
at a loss which to buy. [ ]
A. to be chosen
B. to choose from
C. to choose
D. for choosing