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【单选题】
故障恢复时，如果日志文件的写入后像后写，则事务恢复策略为A.
对未完成事务执行 undo 操作，对已提交事务执行 redo 操作
B.
忽略未完成事务，对已提交事务执行 redo 操作
C.
忽略已提交事务，对未完成事务执行 undo 操作
D.
什么都不做
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皮皮学刷刷变学霸
举一反三
【简答题】He
________ a greedy man.A. seem B. will
seem C. seemed D. is
seeming
【单选题】What does the sentence 'He is a glutton for novelty' probably mean?
A.
The newborn is greedy for new food.
B.
The newborn tends to overeat.
C.
The newborn always loves things that are new to him.
D.
The newborn's appetite is a constant topic in novels.
【单选题】—Mr. Graham is greedy and mean. —You must be ______. He is ______ and often helps those in need. [ ]
A.
abnormal, wealthy
B.
prejudiced, talented
C.
mistaken, generous
D.
drunk, coldhearted