【单选题】December is the month ______ is usually the coldest in our province.
【单选题】December is the _____________ month of the year. [ ]
【判断题】显示器的尺寸是指显示器显示屏水平的长度,这个说法是( )
【判断题】选择运算是从关系中查找符合指定条件或指定范围的所有元组的操作。
【单选题】Christmas Day is on December 25th, December is the_______month of the year.
【单选题】December is the ______ month in a year.