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【判断题】
若【图片】存在，【图片】不存在，则【图片】一定不存在.A.
正确
B.
错误
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举一反三
【简答题】______has the highest number of illiterate people.
【单选题】The researches held by Motorola showed that the textually illiterate villagers
A.
were willing to use old machines with little functions.
B.
had to take some lessons to learn the new functions.
C.
could remember the major function of each button.
D.
would avoid reading the hierarchy menus of the machine.
【简答题】I am illiterate about such things.单词illiterate
【简答题】illiterate( )
【简答题】illiterate
【简答题】用友U8可以使用哪些数据库系统?
【单选题】An average person ignorant of history being compared with an illiterate farmer with historical memories is to show that______.
A.
in scientific education, the teaching of history shouldn't be neglected
B.
history is important for a person who wants to be outstanding
C.
history is the most important subject in scientific education
D.
in scientific education, more history courses should be provided
【单选题】Which of the following scenarios will yield a nonprobability sample?
A.
The subjects of the sample are chosen on the basis of known probability.
B.
Items or individuals are chosen without regard to their probability of occurrence.
C.
Every individual or item from the frame has an equal chance of being selected. Selection may be with replacement or without replacement.
D.
Decide on a sample size, n; divide the frame of N individuals into groups of k individuals where k = N/n; randomly select one individual from the first group; select every kth individual thereafter.
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