如意踏步
参考答案：
是不用垂带石只用踏跺的做法，一般用于住宅或园林。形式自由，有的将踏面自下而上逐层缩小，或用天然石堆砌成规则形状。
The two pens are the same, but the red one cost _____________ that one.
A．as much twice as
B．twice as much as
C．much as twice as
D．as twice much as
危险化学品运输车辆应当符合（）标准要求的安全技术条件，并按照国家有关规定定期进行安全技术检验。
A.部门
B.行业
C.国家
D.其他选项都错误
