《敕勒歌》中“大苍苍,野茫茫,风吹草低现牛羊”,描述的是以下哪个地形区( )
A:东北平原
B:青藏高原
C:内蒙古高原
D:华北平原
His wife is constantly finding ____ (过错)with him,which makes him very angry.
下列选项是气象灾害的是( )。