【简答题】21×23= 3.21×2.3= 321×2.3= 32.1×0.23= 3.21×0.23= 321×0.023=
【判断题】中国古代皇家园林的典型模式是“一池三山”。()
【单选题】There are two temperature scale, it is _____ that the freezing point is zero.
【判断题】“一池三山”是中国古代皇家园林的典型模式。( )
【简答题】为什么说运输是“第三利润源”的主要源泉?
【简答题】Water is a liquid, the freezing point ______ _________ is 0’C.
【单选题】Let’s ______ our homework now. [ ]