地面起伏小、海拔较高、边缘陡峻的地形是（ ）
A．平原
B．高原
C．山地
D．盆地
地面起伏小、海拔较高、边缘陡峻的地形是高原．
故选：B．
He is out of work now but he gets a good _____ from his investment.
A．wage
B．salary
C．earning
D．income
伊利运河属于哪个国家？
