皮皮学，免费搜题
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【单选题】
二维表由行和列组成,每一行表示关系的一个A.
属性
B.
字段
C.
集合
D.
记录
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He her a beautiful hat on her next birthday.
A.
gives
B.
gave
C.
will giving
D.
is going to give
【单选题】硬盘的个主要性能指标是容量,硬盘容量的计算公式为 ()
A.
磁头数x桂面数x扇区数x512字节
B.
磁头数x柱面数x扇区数x128字节
C.
磁头数x柱面数x扇区数x80x512字节
D.
磁头数x柱面数x扇区x15x128字节
【单选题】He her a beautiful hat on her next birthday.
A.
gave
B.
will giving
C.
gives
D.
is going to give
【单选题】He her on her new dress without even looking at it.
A.
recommended
B.
clapped
C.
commended
D.
complimented
【简答题】he_ her on her last physics paper.
【简答题】计算机软件总体分为系统软件和 (
)A. 非系统软件 B. 重要软件 C. 应用软件 D. 工具软件
【简答题】He smiled at her and laid her hand on hers.
【简答题】She gave a bashful smile as he complimented her on her work.
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