A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.旋律加花B.严格重复C.对比再现D.变化重复
[单选题]A.停车领卡B.停车缴费C.ETC通道D.停车检查
[单选题]A.1个B.2个C.3个D.4个
[单选题]A.B.C.D.0