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【单选题】
下列属于操作查询的是 ①删除查询 ②更新查询 ③交叉表查询 ④追加查询 ⑤生成表查询A.
①②③④
B.
②③④⑤
C.
③④⑤①
D.
④⑤①②
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A.
The school days will be much shorter than before.
B.
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C.
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D.
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B.
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A.
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B.
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