【填空题】【消耗次数：1】
DFD中比较简单的基本处理可以在[填空1]中描述清楚，而复杂的处理需要用专门工具来描述。
参考答案：
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相关题目
【多选题】
数据流程图中比较简单的计算性的处理逻辑可以在数据字典中做出定义，还有不少逻辑上的比较复杂的处理，下面哪些描述处理逻辑的工具可以用来加以说明（ ）。
①
数据结构
②
决策树（又称判断树）
③
决策表（又称判断表）
④
结构英语表示
【简答题】
关于TFD和DFD的选择，在描述现有系统的业务处理过程时[填空1]。
【简答题】
最底层DFD中的每个处理被称为[填空1]处理。
【多选题】
在处理逻辑的描述工具中，判断表的优点有：
①
有时还能帮助发现遗漏和矛盾的情况
②
可将各种组合情况一个不漏地表示出来
③
可通过减少变量数量简化处理逻辑的描述
④
各个条件地位平等，不用考虑条件的先后顺序
【简答题】
关于TFD和DFD的选择，在系统设计阶段描述新系统的数据处理过程时[填空1]。
【多选题】
关于处理逻辑的描述工具，以下描述中正确的是：
①
条件出现的先后顺序不会影响判断表的复杂度
②
条件出现的先后顺序不会影响判断树的复杂度
③
条件出现的先后顺序会影响结构式英语的复杂度
④
结构式英语能够同时反映顺序、选择、循环结构，而判断表或判断树不能
【多选题】
以下关于处理逻辑描述工具的描述中正确的是：
①
判断表考虑最周全
②
判断树的复杂度体现在树叶的数量上
③
在使用条件语句时，应根据条件取值的数量来选择适合的分支结构
④
几种工具可相互替代
随机题目
【单选题】
下列哪种方式是幼儿老师与家长谈话交往时较好的方式（ ）。
①
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谈话时不涉及别的孩子，以平等的身份采用日常用语与家长交谈
②
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只是向家长报告孩子的优点，让家长高兴
③
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对存在问题的孩子，向家长指出他们的教育观有问题
④
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只是向家长谈幼儿的问题，要家长注意或配合教育孩子
【单选题】
阳光中的紫外线照射到皮肤上可生成( )。
①
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②
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③
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④
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