There is a bed in this room. We sleep in this room. It's a____.
孝亲敬长是中华民族的传统美德,也是每个祖国公民的法律义务。下列法律当中哪些包含了“有关孝亲敬长的法律规定”( )
形成我国季风气候的主要原因是 ( )