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【简答题】
数据库管理系统能实现对数据库中数据的查询、插入、修改和删除，这类功能是由数据库管理系统中的（ ）完成。 A)数据库定义模块 B)数据库维护模块 C)数据库存取模块 D)数据库运行模块
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举一反三
【单选题】Why were the visitors to Bantu Island made to pay for the "tours" before they got to the resort?
A.
Because it would save the visitors' energy and time.
B.
Because once the visitors saw what it looked like, they wouldn't go on any tours.
C.
Because the visitors were helped to the full extent.
D.
Because this was the advantages of Bandu Island.
【单选题】______ number of visitors were shocked by _____ number of the butterflies(蝴蝶) around the huge tree.
A.
A; a
B.
The; the
C.
The; a
D.
A; the
【单选题】The visitors were complaining about the heat yesterday. They continue to play football today. ( yet )
A.
The visitors were complaining about the heat yesterday，yet they continue to play football today.
B.
Yet the visitors were complaining about the heat yesterday, they continue to play football today.
【单选题】______ visitors to the UK were asked by newspaper reporters what their impressions of the British people were.
A.
The number of
B.
A number of
C.
Numbers of
D.
Any numbers of
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