杆件的刚度是指杆件具有的（）的能力。 ["抗压","抗剪","抵抗变形","抗拉"]
A customer has the following equipment installed in their data center： （1）an IBM BladeCenter H chassis （2）two power supplies （3）six HS22V blades （4）three Nortel 1/10 GB ESMs The retail customer purchased a new HX5 with MAX5. Which of the following must be added to install the HX5 with MAX5？（） ["Two additional power supplies","Fibre Channel （FC） switches and SAN storage","A Nortel 1\/10 GB ESM","SSD for the HX5"]
按GB7588-2003《电梯制造与安装安全规范》规定，采用对接操作的轿厢护脚板垂直部分的高度应在轿厢处于最高装卸位置，延伸到层门地坎以下不小于（）m。 ["0.1","0.2","0.3","0.5"]
我国《招标投标法》规定：招标人和中标人应当自中标通知书发出之日起三十日内，按照招标文件和中标人的投标文件订立书面合同。招标人和中标人不得再行订立背离合同实质性内容的其他协议。
小企业投资小、规模小，因而风险相对较小，所以在创业过程中可以忽略
预先假设
