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【单选题】
下列关于缺失值处理的说法中错误的是( )。
A.
缺失比例不超过20%,可不必进行处理
B.
可用一个样本统计量的值代替缺失值
C.
样本充足时,删除有缺失值的个案
D.
可保留有缺失值的个案,而在相应的分析中作必要排除
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参考答案：
举一反三
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
place
B.
leave
C.
give
D.
remain
查看完整题目与答案
【单选题】They assume that the solution to long-term tensions in the trading relationship lies in chagnes on China's side. I think that assumption is naïve .
A.
groundless
B.
childish
C.
ingenuous
D.
natural
查看完整题目与答案
【判断题】China's relationship with the United States has special signifcance for China’s domestic politics and foreign relations.
A.
正确
B.
错误
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
remain
B.
give
C.
leave
D.
place
查看完整题目与答案
【简答题】This autumn term, spring term, or academic year program offers advanced students an opportunity to improve their spoken and written Chinese, and to be familiar with a range of people and organizations...
查看完整题目与答案
【简答题】The NBA and China's relationship _____ (恶化,变坏).
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
give
B.
place
C.
remain
D.
leave
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
remain
B.
leave
C.
give
D.
make
查看完整题目与答案
【多选题】在逐步健全的社会保障制度中，现代市场经济与早期市场经济区别的基本点主要体现在（ ）等几个方面。
A.
缓解社会矛盾，保持社会稳定，促进社会公平
B.
为所有成员织就一张安全网，使之获得最基本的生存与发展保障
C.
逐步扩大社会保障的范围
D.
规范政府的宏观调控行为
E.
政府对经济的干预都是以相关法律为依据的
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
remain
B.
leave
C.
give
D.
place
查看完整题目与答案
相关题目：
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
place
B.
leave
C.
give
D.
remain
查看完整题目与答案
【单选题】They assume that the solution to long-term tensions in the trading relationship lies in chagnes on China's side. I think that assumption is naïve .
A.
groundless
B.
childish
C.
ingenuous
D.
natural
查看完整题目与答案
【判断题】China's relationship with the United States has special signifcance for China’s domestic politics and foreign relations.
A.
正确
B.
错误
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
remain
B.
give
C.
leave
D.
place
查看完整题目与答案
【简答题】This autumn term, spring term, or academic year program offers advanced students an opportunity to improve their spoken and written Chinese, and to be familiar with a range of people and organizations...
查看完整题目与答案
【简答题】The NBA and China's relationship _____ (恶化,变坏).
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
give
B.
place
C.
remain
D.
leave
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
remain
B.
leave
C.
give
D.
make
查看完整题目与答案
【多选题】在逐步健全的社会保障制度中，现代市场经济与早期市场经济区别的基本点主要体现在（ ）等几个方面。
A.
缓解社会矛盾，保持社会稳定，促进社会公平
B.
为所有成员织就一张安全网，使之获得最基本的生存与发展保障
C.
逐步扩大社会保障的范围
D.
规范政府的宏观调控行为
E.
政府对经济的干预都是以相关法律为依据的
查看完整题目与答案
【单选题】We cannot our offer open for more than 3 days, so would you please telex your acceptance without delay.
A.
remain
B.
leave
C.
give
D.
place
查看完整题目与答案
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