A:who is that girl?
B:what's her job?
C:what does he do?
下列图中有“高原大陆”、“热带大陆”、“富饶大陆”美称的大洲是( )
下列有关生物体内化合物的叙述,错误的是
烟光、日影、露气,皆浮动于疏枝密叶之间。