是谁假冒大圣，才有了真假美猴王？
参考答案：
六耳猕猴。
菱形ABCD的一条对角线长为6，边AB的长是方程x2-7x+12=0的一个根，则菱形ABCD的周长为______．
Two hundred miles ______ a long distance ______ in two hours even by a fast car.
A．are, to cover
B．are, to be covered
C．is, to cover
D．is, to be covered
