黄土高原特有的传统民居是( )
A:四合院
B:窑洞
C:吊脚楼
D:竹楼
Feathers fall to the ground slowly, ________ stones fall much faster.
“天苍苍,野茫茫,风吹草低见牛羊”的景观指的是青藏高原.( )(判断对错)