【判断题】【消耗次数:1】
比例相对指标是总体中不同部分数量对比的相对指标。
正确
错误
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相关题目
【判断题】 用总体部分数值与总体全部数值对比求得的相对指标。说明总体内部的组成状况,这个相对指标是比例相对指标。
①  正确
②  错误
【判断题】 同一总体的一部分数值与另一部分数值对比得到的相对指标是比较相对指标。
①  正确
②  错误
【单选题】 计算结构相对指标时,总体各部分数值与总体数值对比求得的比重之和( )。
①  小于100%
②  大于100
③  小于或大于100%
④  等于100%
【单选题】 计算结构相对指标时,总体各部分数值与总体数值对比求得的比重之和( ) 。
①  小于100%
②  大于100%
③  等于100%
④  小于或大于100%
【单选题】 计算结构相对指标时,总体各部分数值与总体数值对比求得的比重之和( )
①  小于100%
②  大于100%
③  等于100%
④  小于或大于100%
【多选题】 相对指标中,属于同类现象对比的是?
①  比例相对指标
②  计划完成程度相对指标
③  比较相对指标
④  结构相对指标
⑤  强度相对指标
【单选题】 下列相对数中,属于不同时期对比的指标有( ) 。
①  结构相对数
②  动态相对数
③  比较相对数
④  强度相对数
【单选题】 下列相对数中,属于不同时期对比的指标有( )
①  结构相对数
②  动态相对数
③  比较相对数
④  强度相对数
【多选题】 下列属于相对比指标的是( )
①  RR
②  OR
③  病死率
④  CV
⑤  性别比
【判断题】 比较相对指标反映总体内部组成情况的综合指标。
①  正确
②  错误
随机题目
【单选题】 What role does a teacher play in the following activity? When the students have in groups decided where to go for a spring outing, the teacher asks each group to tell the others why they have made such a choice.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What role does a teacher play in the following activity? The teacher asks students to produce conversations (either orally or in writing) by using particular patterns or expressions they have just learned.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What role does a teacher play in the following activity? When students are doing a group-work task, the teacher joins one or two groups for a short period of time.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 What role does a teacher play in the following activity? The teacher has a word in his mind and asks students to guess by asking only Yes/No questions until they make the correct guess.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 Which of the following is the advantage of pair work?
①  It is an ideal way to show materials and do presentations together
②  It allows students to work together rather than under teacher’s guidance
③  It reinforces a sense of belonging among a group of members
④  It is very stressful.
【单选题】 Which of the following is the time when students work in a pair?
①  When all the students are under the control of the teacher
②  When students work in pairs on an exercise or a task
③  When students work in small groups
④  When students are expected to work on their own at their own speed.
【单选题】 What role does a teacher play in the following activity? The teacher writes one of five numbers (1-5) on a number of cards (the same number as the students). Each student draws one card. Those who have drawn number 1 will form group1, and those who have drawn number 2 will form group 2. Thus the students are put into five groups in a random way.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What are language contents?
①  Structures, vocabulary, functions and topics
②  Pictures, vocabulary, communication and topics
③  PPT, structures, aims and summary
④  Structures, aims, functions and topics.
【单选题】 Which part is to be finished after a lesson in a lesson plan?
①  Teaching aids
②  End of a lesson summary
③  Optional activities and assignment
④  After lesson reflection.
【单选题】 What are the principles for good lesson planning?
①  Aim, variety, flexibility, learnability and linkage
②  Aim, preparation flexibility and linkage
③  Aim, micro-planning, macro-planning and flexibility
④  Aim, micro-planning, macro-planning and variety.