试题与答案

修筑谷坊、塘、坡、植树造林以及改造坡地为梯田,在流域面积上控制径流和泥沙,不使其流失

题型:单项选择题

题目:

修筑谷坊、塘、坡、植树造林以及改造坡地为梯田,在流域面积上控制径流和泥沙,不使其流失,并进入河槽。这是防洪措施中的( )。

A.水土保持

B.修筑堤防

C.水库蓄洪和滞洪

D.整治河道

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析: 非空的数据结构满足下列两个条件则称为线性结构:有且只有一个根结点;每一个结点最多有一个前件,一个后件。栈与队列是特殊的线性表,因此,它们也是线性结构,选项B错误;线性链表是线性表...

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