下列选项中不属于结构化程序设计方法的是( )。
A.自顶向下
B.逐步求精
C.模块化
D.可复用
参考答案:D
解析: 结构化程序设计的主要原则概括为自顶向下,逐步求精,模块化。
Daniel is _____ his purse, but he can't _____ it. [ ]
A. looking for; find
B. seeing; look for
C. finding; look at
D. looking at; see
为什么矿井要设立降雨量观测站?