建筑详图的特点有（）。
A.比例大
B.数量多
C.尺寸标注齐全
D.文字说明详尽
E.通用性强
参考答案：A, C, D
Based on a recent survey of the attitudes of people on Medicare is ______.
A．the capital city of the United States of America
B．a textbook on American politics
C．what the author is going to write
D．a statement that the American government cannot fool its people
我国继电保护技术发展过了五个阶段，其发展顺序是（）
A.机电型；晶体管型；整流型；集成电路型；微机型
B.机电型；整流型；集成电路型；晶体管型；微机型
C.机电型；整流型；晶体管型；集成电路型；微机型
