小额实时业务,同城业务处理周期为()秒,异地业务处理周期为()秒。
A.5;10
B.10;15
C.10;20
D.15;20
参考答案:C
---I saw your sister ride a new bike this morning.
---A new bike? She ________ it for about two years.
A.bought
B.has bought
C.had
D.has had
城市详细规划阶段竖向规划的方法一般不包括( )
A.设计等高线法
B.高程箭头法
C.纵横断面法
D.方格网法