【判断题】A price floor set above the equilibrium price is binding.
【单选题】A binding price floor in a market is set
A.
above equilibrium price and causes a shortage.
B.
above equilibrium price and causes a surplus.
C.
below equilibrium price and causes a surplus.
D.
below equilibrium price and causes a shortage.
【单选题】当 x → 0 时,函数 sin x 是 x 的( )
【单选题】当x→0时,x-sin x是x的( )。
【判断题】Android SDK主要以javaScript语言为基础
【判断题】A price floor set above the equilibrium price is not binding.
【单选题】Android SDK主要以( )语言为基础