【多选题】关于交叉圆柱镜精确散光的度数,正确的做法是:
【单选题】我国统一的急救号码是( ),校医院出诊电话是()。
【单选题】我国统一的急救号码是( ),校医院出诊电话是()。
【判断题】When is the festival?
【多选题】离子交换色谱可用于以下哪些物质的分离?()
【单选题】When is the festival mentioned in the passage?
A.
the fourth Thursday of November
B.
the ninth day of the ninth Chinese lunar month
C.
the 15th day of the 8th Chinese lunar month
D.
the 5th day of the 5th Chinese lunar month