【单选题】Miss Li _____ the role _____ the white-haired girl in this play. [ ]
【简答题】高频振动式超微粉碎技术是利用____,作____时产生冲击、摩擦和剪切等作用力,来实现物料颗粒的超微粉碎,并同时起到混合分散的作用。( B ) A. 空气、过热蒸汽或其他气体;高度的湍流和能量转换流 C. 球形或棒形研磨介质;高频振动 C .水平回转筒体中的球或棒状研磨机介质;离心力的影响 D. 高压;空穴爆炸力
【单选题】It was a nice meal, __________ a little expensive.
【简答题】一般来说金属粉末在球磨时,有四种形式的力作用在颗粒材料上:()。
【单选题】It was a nice meal, a little expensive.
【单选题】It was a nice meal, _______ a little expensive.
【单选题】Can you share me the information about Gong Li ________ you got from the Internet?
【单选题】—Do you know Jackie, Li Youbin and Feng Gong? —Yes, they are my favorite _____. [ ]
【多选题】差分 GPS 定位按照发送到测站的信息不同,可分为( )。