【单选题】【消耗次数：1】
在一定的抽样平均误差条件下（ ）。
①
扩大极限误差范围,会降低推断的可靠程度
②
缩小极限误差范围,可以提高推断的可靠程度
③
缩小极限误差范围,不改变推断的可靠程度
④
扩大极限误差范围,可以提高推断的可靠程度
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相关题目
【单选题】
在一定的抽样平均误差条件下( )。
①
扩大极限误差范围，可以提高推断的可靠程度
②
扩大极限误差范围，会降低推断的可靠程度
③
缩小极限误差范围，可以提高推断的可靠程度
④
缩小极限误差范围，不改变推断的可靠程度
【单选题】
在一定的抽样平均误差条件下（ ）
①
扩大极限误差范围，可以提高推断的可靠程度
②
扩大极限误差范围，会降低推断的可靠程度
③
缩小极限误差范围，可以提高推断的可靠程度
④
缩小极限误差范围，不改变推断的可靠程度
【多选题】
在抽样平均误差一定的条件下( )。
①
扩大极限误差的范围，可以提高推断的可靠程度
②
缩小极限误差的范围，可以提高推断的可靠程度
③
扩大极限误差的范围，只能降低推断的可靠程度
④
缩小极限误差的范围，只能降低推断的可靠程度
⑤
扩大或缩小极限误差范围与推断的可靠程度无关
【多选题】
在抽样平均误差一定的条件下（）。
①
扩大极限误差的范围，可以提高推断的可靠程度
②
扩大或缩小极限误差范围与推断的可靠程度无关
③
扩大极限误差的范围，可以降低推断的可靠程度
④
缩小极限误差的范围，可以降低推断的可靠程度
随机题目
【单选题】
What does the structural view of language see language?
①
A system of categories based on the communicative needs of the learner
②
A communicative tool to build up and maintain social relations between people
③
A linguistic system made up of various subsystems
④
A linguistic system and a means for doing things.
【单选题】
What does the functional view of language see language?
①
A system of categories based on the communicative needs of the learner
②
A communicative tool to build up and maintain social relations between people
③
A linguistic system made up of various subsystems
④
A a linguistic system and a means for doing things.
【单选题】
Which of the following teaching method is based on the behaviorist theory?
①
Grammar translation
②
Audio-lingual
③
Task-based teaching and learning
④
Communicative teaching.
【单选题】
What is the basis for syllabus design, teaching methodology, teaching and assessment procedures in the classroom?
①
Teaching attitude
②
Definitions of language
③
Structural view of language
④
Functional view.
【单选题】
Which three groups can summarize all the elements of the qualities of a good teacher?
①
Ethic devotion, professional qualities and personal styles
②
Ethic devotion, professional qualities and individual freedom
③
Individual freedom, professional qualities and personal styles
④
Ethic devotion, personal styles and individual freedom.
【单选题】
What are the purposeful preparation that a language teacher normally receives before he starts the practice of teaching?
①
Learning from other’s experiences
②
Learning the received knowledge
③
Learning from one’s own experiences as a teacher
④
All of the above.
【单选题】
Much of human behavior is influenced by their_____ .
①
experiences
②
wisdom
③
knowledge
④
parents