【判断题】【消耗次数:1】
变动成本和业务量之间的线性关系,通常只在一定的相关范围内存在。( )
参考答案:
复制
纠错
相关题目
【单选题】 在相关范围内单位变动成本与业务量的增减()。
①  成正比变动
②  成反比变动
③  无关
④  等额变动
【判断题】 变动成本是指在一定期间和一定业务量范围内其总额随着业务量的变动而成正比例变动的成本。(  )
① 
② 
【简答题】 变动成本是指在一定期间和一定业务量范围内,其总额随着业务量的变动而呈[填空] 比例变动的成本。
【判断题】 延期变动成本是指在一定的业务量范围内总额保持稳定,超出特定业务量则开始随业务量比例增长的成本。( )
①  正确
②  错误
【判断题】 固定成本是指总额在一定期间和一定业务量范围内,不受业务量变动的影响而保持固定总额不变的成本。(  )
① 
② 
【判断题】 变动成本是指在特定的业务量范围内,其总额随业务量的变动而成正比例变动的成本。( )
①  正确
②  错误
【单选题】 基于资本需要量与营业业务量间存在线性关系的假定建立数学模型,根据历史资料,用回归直线方程确定参数预测资金需要量的方法是( )。
①  参数回归法
②  因素分析法
③  回归分析法
④  方程分析法
【单选题】 基于资本需要量与营业业务量间存在线性关系的假定建立数学模型,根据历史资料,用回归直线方程确定参数预测资金需要量的方法是( )。
①  参数回归法
②  因素分析法
③  回归分析法
④  营业收入比例法
【判断题】 请判断:当直线相关系数为零时,说明变量之间呈线性关系。( )
①  正确
②  错误
【单选题】 当相关系数 r 等于 +1 时 , 表明成本与业务量之间的关系是成本是?
①  基本正相关
②  完全正相关
③  完全无关
④  基本无关
随机题目
【单选题】 What meaning is referred to if we say the meaning of “dog” is friendship and loyalty?
①  denotative meaning
②  connotative meaning
③  literal meaning
④  labeled meaning.
【单选题】 What does it mean to know a word?
①  know its pronunciation and stress
②  know its spelling and grammatical properties
③  know its meaning and know when and how to use it
④  all of the above.
【单选题】 Which of the following statement is not true about vocabulary?
①  a vocabulary item can be more than one word
②  Vocabulary can not be taught. It must be learned by the individuals
③  Words are best learned in context
④  An English-English dictionary is an important aid for students.
【单选题】 What meaning is referred to if we say the meaning of “dog” is an animal with four legs and a tail, often kept as a pet or trained for work?
①  denotative meaning
②  connotative meaning
③  extended meaning
④  inspired meaning.
【单选题】 What do the following examples indicate? Big, huge; enormous, immense; male, masculine .
①  synonyms
②  antonyms
③  hyponyms
④  collocations.
【单选题】 What is referred to if we say “see a movie, watch a play, look at a picture”?
①  denotative meaning
②  connotative meaning
③  collocations
④  synonyms.
【单选题】 What are two categories of vocabulary?
①  Receptive vocabulary and productive vocabulary
②  innate vocabulary and learned vocabulary
③  familiar vocabulary and unfamiliar vocabulary
④  new vocabulary and old vocabulary.
【单选题】 What are two grammar practice activities?
①  Mechanical practice and meaningful practice
②  Volume practice and communicative practice
③  Interest practice and meaningful practice
④  Mechanical practice and success oriented practice.
【单选题】 What are two broad categories of knowledge?
①  Implicit knowledge and explicit knowledge
②  Obvious knowledge and unobvious knowledge
③  Inductive knowledge and deductive knowledge
④  Refereed knowledge and inferred knowledge.
【单选题】 Which of the following steps are typical for the deductive grammar teaching method?
①  Give examples→explain rules→students do practice activities
②  Authentic language data is provided→induces learners to realize grammar rules→apply the new structure to produce sentences (the inductive method)
③  Explicit rules are give to students→Authentic language data is provided→apply the new structure to produce sentences (the guided discovery method)
④  All of the above.