题型:名词解释 The Smiths are looking forward to ________ Kunming some day.A.visitB.visitingC.visitedD.to visit 查看答案
题型:名词解释 Mary often stays up, reviewing her lessons, books___ all over the desk.A.spreadingB.spreadC.are spreadingD.to spread 查看答案
题型:名词解释 上颌石膏模型的修整中错误的是()。A.模型的高度是从尖牙尖之前庭沟的距离再增加1/3~1/2B.模型的底边与平面平行C.模型底座后壁与地面及牙弓中线平行D.模型两边的侧壁与前磨牙颊尖的连线平行,使侧壁形成正对中线的尖形E.磨去后壁与侧壁形成的夹角成为一段短夹壁 查看答案