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【多选题】
柯莱斯(Colles)骨折的X线表现为A.
指桡骨远端距离远端瓶关节面2.5cm以内的骨折
B.
常伴远侧断侧移位和侧
C.
骨折线常为横行，有时为粉碎性骨折
D.
常合并尺骨茎突骨折和下尺桡关节分裂
E.
桡骨远端骨骺未联合前常发生桡骨远端骨骺分离
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【多选题】Which of the following statements about quantitative data and qualitative data is/are true?
A.
Usually, quantitative data are produced by unstructured and semi-structured methods.
B.
Usually, qualitative data are produced by structured methods.
C.
Quantitative data are numerical or can be made numerical.
D.
Qualitative data are in the form of words, texts, or images.
E.
Qualitative data are not quantifiable.
【简答题】Which of the following statements about primary data and secondary data is/are true?A. Primary data are collected by the researcher; secondary data are derived from primary data. B. Secondary data are...
【单选题】Which of the following is a distinguishing factor between data archiving and data backups？（）
A.
Data archives are kept for disaster recovery purposes while data backups are kept for indefiniteperiods of time so that there is an information record.
B.
Data archives are kept for documentation purposes to easily recover data while data backupsare kept for immediate server recovery.
C.
Data archives are kept off-site for data warehousing purposes while data backups are keptlocally for immediate server recovery purposes.
D.
Data archives are kept for indefinite periods of time so there is a record while data backups arekept for disaster recovery purposes.
【单选题】Which one of the following is not a positive effect of 'better data'?
A.
better data is something that is desired.
B.
better data is good for corporate earnings.
C.
better data will lead to the fed starting to pull back from its quantitative easing.
D.
better data is good for stock prices.
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