Look! There are some birds _______ in the sky. They are very beautiful.
罗马帝国皇帝高度重视法律制定,许多法学家纷纷前来献策。下列主张不可能被采纳的是( )
已知y=kx+b,当x=1时,y=﹣1,当y=12时,x=12,那么当x=2时,y=( )