炉门关闭完好以后，炉门的重量靠（）来完全支撑。 ["炉门的导辊","炉框的托架","炉底的磨板","羊角"]
当一个企业将它的信息安全职能外包出去时，下面哪一项仍应被企业所保持？（） ["企业安全策略的责任","定义企业的安全策略","实施企业的安全策略","定义安全规程及指南"]
“The engine not obtaining the sufficient speed for firing” means that （）. ["the start fails","the fuel pumps will be put into operation","the fuel valves are damaged","the combustion process will take over"]
“一卡通”金卡和“金葵花”卡的有效期为（）。 ["一年","两年","三年","五年","无效期"]
交通银行满金宝业务的交易渠道为（） ["A.电话","B.自助终端","C.证书版网银","D.手机银行"]
试述体育锻炼原则有哪些？
