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【单选题】
检查有名管道是否存在的函数是( )。
A.
popen
B.
access
C.
fgets
D.
singnal
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【判断题】预测中的定量方法主要有三种：时间序列分析法，逻辑关系和因果关系分析法。
A.
正确
B.
错误
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【单选题】预测方法有四种基本的类型：定性预测、时间序列分析、因果联系法和模拟四类。指数平滑方法属于（）
A.
时间序列分析
B.
因果联系法
C.
模拟法
D.
定性预测
查看完整题目与答案
【多选题】时间系序列分析法方法有( )。
A.
直观法
B.
移动平均法
C.
加权移动平均法
D.
数平滑法
E.
趋势和季节性调整预测法
查看完整题目与答案
【单选题】预测方法有四种基本的类型：定性预测、时间序列分析、因果联系法和模拟方法四类，指数平滑方法属于：（ ）。
A.
时间序列分析
B.
因果联系法
C.
模拟法
D.
定性预测
查看完整题目与答案
【多选题】下列预测方法中，属于定性预测的有( )。
A.
用户调查法
B.
时间序列分析法
C.
因果关系分析法
D.
德尔菲法
E.
类推法
查看完整题目与答案
【简答题】完形填空。 I started to love running at a young age. I loved to race my father and my sister around the backyard. I wished I could run in the Olympics and win lots of medals. One day my mother saw _ 1 for ...
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【单选题】I was born in Tuckahoe, Talbot Country, Maryland. I have no accurate knowledge of my age, never having seen any authentic record containing it. By far the larger part of the slaves know as little of t...
A.
he did not know who his mother was.
B.
there was no written evidence of it.
C.
his master did not tell his father.
D.
nobody on his farm knew anything about it.
查看完整题目与答案
【简答题】完形填空。 I'm twelve years old. I'm large 1 my age and have big feet. I look like both my mum and my dad but in 2 ways. I have fair hair and blue eyes 3 my dad, and a mouth and expression like my mum. My ...
查看完整题目与答案
【单选题】预测方法有定性预测、时间序列分析、因果联系法和（）。
A.
回归分析
B.
德尔菲法
C.
模拟
D.
专家意见法
查看完整题目与答案
【单选题】I was born in Tuckahoe, Talbot Country, Maryland. I have no accurate knowledge of my age, never having seen any authentic record containing it. By far the larger part of the slaves know as little of t...
A.
he did not know who his mother was.
B.
there was no written evidence of it.
C.
his master did not tell his father.
D.
nobody on his farm knew anything about it.
查看完整题目与答案
相关题目：
【判断题】预测中的定量方法主要有三种：时间序列分析法，逻辑关系和因果关系分析法。
A.
正确
B.
错误
查看完整题目与答案
【单选题】预测方法有四种基本的类型：定性预测、时间序列分析、因果联系法和模拟四类。指数平滑方法属于（）
A.
时间序列分析
B.
因果联系法
C.
模拟法
D.
定性预测
查看完整题目与答案
【多选题】时间系序列分析法方法有( )。
A.
直观法
B.
移动平均法
C.
加权移动平均法
D.
数平滑法
E.
趋势和季节性调整预测法
查看完整题目与答案
【单选题】预测方法有四种基本的类型：定性预测、时间序列分析、因果联系法和模拟方法四类，指数平滑方法属于：（ ）。
A.
时间序列分析
B.
因果联系法
C.
模拟法
D.
定性预测
查看完整题目与答案
【多选题】下列预测方法中，属于定性预测的有( )。
A.
用户调查法
B.
时间序列分析法
C.
因果关系分析法
D.
德尔菲法
E.
类推法
查看完整题目与答案
【简答题】完形填空。 I started to love running at a young age. I loved to race my father and my sister around the backyard. I wished I could run in the Olympics and win lots of medals. One day my mother saw _ 1 for ...
查看完整题目与答案
【单选题】I was born in Tuckahoe, Talbot Country, Maryland. I have no accurate knowledge of my age, never having seen any authentic record containing it. By far the larger part of the slaves know as little of t...
A.
he did not know who his mother was.
B.
there was no written evidence of it.
C.
his master did not tell his father.
D.
nobody on his farm knew anything about it.
查看完整题目与答案
【简答题】完形填空。 I'm twelve years old. I'm large 1 my age and have big feet. I look like both my mum and my dad but in 2 ways. I have fair hair and blue eyes 3 my dad, and a mouth and expression like my mum. My ...
查看完整题目与答案
【单选题】预测方法有定性预测、时间序列分析、因果联系法和（）。
A.
回归分析
B.
德尔菲法
C.
模拟
D.
专家意见法
查看完整题目与答案
【单选题】I was born in Tuckahoe, Talbot Country, Maryland. I have no accurate knowledge of my age, never having seen any authentic record containing it. By far the larger part of the slaves know as little of t...
A.
he did not know who his mother was.
B.
there was no written evidence of it.
C.
his master did not tell his father.
D.
nobody on his farm knew anything about it.
查看完整题目与答案