差别化纤维
What are two appropriate uses for Internet Protocol TV broadcasting (IP/TV) technology? （） ["Enabling online collaboration among research personnel","Delivering a strategic business update from the CEO to all personnel","Enabling an interactive virtual classroom for sales personnel in remote locations","Delivering information about changes in health benefit enrollment to all personnel"]
糖尿病足护理的注意事项包括：（） ["避免在下肢进行静脉输液","严禁使用硬膏接触伤口","严禁使用鸡眼膏接触伤口","严禁使用腐蚀性药物接触伤口","准确测量伤口面积并记录"]
下面对用友*.ba_备份文件处理，叙述正确是（）。 ["A.把.ba_改成.bak ","B.把.ba_改成.rar解压 ","C.把.ba_改成.rar解压，将解压出的来的文件添加一个.bak的后缀名 ","D.以上叙述都不对"]
网上银行本身存在着许多风险因素，其中最大的是（）风险因素。
梦是无意想象的特殊形式，它是一种（）现象。
