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[音频]Conversation 3The number called: (1)_________Caller's name: HendersonMessage: Mr. Brown's mother had a(n) (2) ________ and she is in hospital now.

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选择下列单词或用单词的适当形式填到句子里。1.The good news gotfrom the audience.2.These factories will take every possibleto reduce pollution (减少污染).3.Waterfalls (瀑布) can be used to producepower.4.Can you come to the party toJim's graduation?5.It's a(n)to sing "Jingle Bells"at Christmas.6.These classes help members learn how to change their eating.7.In some way, heseveral of his friends in the trouble.8.In the end, he realized theof foreign languages.

Access数据库属于()数据库系统。

A. 树形
B. 逻辑型
C. 层次型
D. 关系型

表是由若干条()组合而成的。

A. 字段
B. 数据访问页
C. 记录
D. 存储格

如果要求主表中没有相关记录时不能将记录添加到相关表中,则应该在表关系中设置( )。

A. 参照完整性
B. 验证规则
C. 输入掩码
D. 级联更新相关字段

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