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【单选题】
下列说法中，正确的是（）。A.
DBASE、FBASE、SYBAES、ORACLE等都是关系数据库管理系统
B.
除DBASE外，其它关系数据库管理系统均不是由C语言编写，故DBASE兼容性最好
C.
二维表的一行称为属性，各属性具有唯一属性名和若干属性值
D.
在二维表中，表格中每一列具有相同的数据类型
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举一反三
【多选题】If you call to Mr. Smith's secretary for a meeting with Mr. Smith, what would you say in English?
A.
I'd like to make an appointment with Mr. Smith.
B.
Would you please arrange a meeting for me with Mr. Smith?
C.
I'd like to make a date with Mr. Smith.
D.
Would you please arrange a date for me with Mr. Smith?
【简答题】根据图片内容，选择正确的英文句子。 ( ) 1. A. This is my father. He's a doctor. ( ) 2. B. This is my mother. She's a nurse. ( ) 3. C. This is my uncle. He's a driver. ( ) 4. D. This is my aunt. She's a ...
【多选题】实行高尔夫球场使用农药化肥登记备案制度;球场必须对肥料、农药的( )建立完整的档案记录,定期向环保部门备案。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
种类
B.
购买量
C.
使用量
D.
施用方法
【单选题】The Smiths are watching the men’s table tennis match at moment.
A.
Mr. Smith
B.
Mr. Smith and his son
C.
The Smith family
【简答题】What is moth-eye technique? What is this technique used for?
【单选题】The earth travels round the earth once every moth; ____ is known to everybody.
A.
as
B.
it
C.
which
D.
this
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