下列工作阶段中，属于项目投资期的是（） ["项目评估","做出决策","订立合同","工程项目设计","组织施工"]
植皮患者供皮区护理操作要点不正确的是：（） ["观察伤口及辅料固定和伸出情况","有渗液或者渗血时，及时更换辅料","伤口加压包扎时，观察肢端血供","伤口有臭味、分泌物多，及时报告医生","E伤口疼痛时积极给予对症处理"]
What feature does the Partner E-Learning Connection provide?（） [" Lists of training-partner class offerings"," Hosted website that partners use to deliver e-learning to customers"," Full versions of all Cisco technical-level classes"," Flexibility, web-based knowledge and learning"," Live instructor-led, web-based classe"]
当抽样方案选择好进行相关凭证抽取时的操作是（）。 ["A.试抽取——确认——保存 ","B.确认——保存 ","C.试抽取——保存 ","D.直接保存"]
目前影响电子标签应用的主要因素是（）。 ["速度","成本","结构","安全"]
经纬仪测图时，需要读取望远镜十字丝的（）、（）和（）读数
