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【单选题】
原发性不孕的定义以下正确的是A.
夫妇婚后未避孕，性生活正常，同居2年而未妊娠者
B.
夫妇婚后未避孕，性生活正常，第一次生育后同居1年而未妊娠者
C.
夫妇婚后未避孕，性生活正常，同居1年而未妊娠者
D.
夫妇婚后未避孕，性生活正常，第一次生育后同居2年而未妊娠者
E.
夫妇婚后同居1年而未妊娠，一方有无法纠正的解剖生理缺陷者
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举一反三
【简答题】What are the two sample questions mentioned by the speaker? a. ____________________________________________________ b. ____________________________________________________
【单选题】A random sample of shoppers responded to the questions contained in a marketing survey. Six months later, another random sample of shoppers responded to exactly the same questions, except that the que...
A.
The reordering of the questions did not put each question in a different sequential position from its position six months previously.
B.
Shoppers who respond to a marketing survey do not generally remember six months later what responses they gave.
C.
There was no motive for the second survey except that of discovering whether the ordering of the questions mattered.
D.
The survey was not composed of questions to which shoppers would give different responses at different times of the year.
E.
The first sample of shoppers did not have any individuals in common with the survey sample of six months later.
【简答题】Sample 1 Sample 2 Write your answer to each of the following questions. What is the good news mentioned in Sample 1?
【简答题】A．A great number of respondents. B．Representative sample people. C．Meaningful questions. D．Detailed information.
【简答题】Choose the most appropriate questions that matched the sample answers.
【单选题】Initial questions in questionnaires that screen potential respondents to ensure they meet the requirements of the sample are called ________.
A.
double-barreled questions
B.
screening or qualifying questions
C.
random questions
D.
coefficient questions
E.
requirement questions
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