【单选题】在空间直角坐标系里,点(-2,1,-3)在第几卦限
【单选题】—What’s on the plate? —There ______ some jam on it.
【单选题】—What’s on the plate? —There ________ some bread on it.
【单选题】—What’s on the plate? —There _____ some eggs and cakes on it.
【单选题】——What’s on the plate? There _______some rice on it.
【判断题】Online learning will take the place of traditional teaching one day.
【单选题】点(1,-2,3)在空间直角坐标系的第几卦限?
【简答题】Do you think online learning will take the place of traditional teaching? Why or why not?