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【单选题】
假设某数据库表中有一个工作时间字段,查找 15 天前参加工作的记录的准则是A.
= Date() - 15
B.
- 15
C.
>Date() - 15
D.
<=Date() - 15
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举一反三
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【单选题】Our father's health is what matters, and the cost of his treatment is of ( ) importance.
A.
secondary
B.
modify
C.
cling
D.
delegate
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