If you have Cisco integrated services router and need to upgrade the Cisco IOS image,which kind of Cisco Support services do you need?（） [" Cisco SMARTNet onsite"," Cisco TAC"," Advanced Hardware Replacement"," Software Support"]
露天浅孔爆破时，在台阶形成之前应（）。 ["缩小警戒范围","警戒范围不变","加大警戒范围"]
道氏理论认为股票市场的变化有（）等几种周期性运动。 ["次要趋势","主要趋势","日常波动","年度波动"]
修改舞台上某实例的透明度，正确的操作（） ["选择该实例所在图层，然后选择舞台上的该实例，选择属性面板后找到alpha选项","直接选择属性面板后找到alpha选项","锁定该实例所在图层，然后选择舞台上的该实例，选择属性面板后找到alpha选项","选择该实例所在图层，选择该实例所在的关键帧，选择属性面板后找到alpha选项"]
二重证据法是谁提出来的（）。 ["王国维","梁启超","章太炎","季羡林"]
私募基金
