There are _____months in a year. _____ month is December.
A:twelfth, Twelfth
B:twelve , Twelve
C:twelfth , The twelfth
D:twelve , The twelfth
不等式x-1x>0成立的充分不必要条件是( )
近年来,微创业模式悄然兴起——一个或几个人牵头,聚集众人的微小力量,有钱出钱,有力出力,最终实现大家的梦想。微创业模式的兴起说明( )