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【单选题】
数据库三级模式体系结构的划分有利于保存数据库的()。A.
数据独立性
B.
数据安全性
C.
结构规范化
D.
操作可行性
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皮皮学刷刷变学霸
举一反三
【单选题】回归热的发热特点是:
A.
长期低热
B.
每天定时发作,缓解期体温正常
C.
每周定时发作,缓解期体温不降至正常
D.
发热1周,体温骤降至正常,持续1周,又突发作
E.
持续高热
【判断题】Mount Qingcheng has been widely acclaimed as the "most secluded mountain under heaven" since ancient times.
A.
正确
B.
错误
【单选题】Just over 10 years ago, Ingmar Bergman announced that the widely acclaimed Fanny and Alexander would mark his last hurrah as a filmmaker. Although some critics had written him off as earnest but ponde...
A.
without exception been positive.
B.
deplored his seriousness.
C.
often been antithetical.
D.
usually focused on his personality.
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