在变电设备树上选中某一具体变电站，右键弹出菜单可以创建输电线路。
参考答案：对
This computer is _______________ .
A．twice as expensive as that one
B．twice expensive than that one
C．as twice expensive as that one
D．two times as expensive as that one
导游人员在介绍景物时借题发挥，利用所见的景物制造意境的导游方法称之为（）。
A．突出重点法
B．触景生情法
C．虚实结合法
D．类比法
