被称为“十字路口”的位置是( )
A:东亚
B:东南亚
C:南亚
D:中亚
下列关于克隆的说法,错误的是( )
John shut everybody out of the kitchen ______ he could prepare his grand surprise for the party.
寒潮是我国主要的气象灾害之一,它对农作物的危害最大季节是( )