题目内容

2NF通过（）就规范为3NF。

A. 消除非主属性对码的部分依赖
B. 消除非主属性对码的传递依赖
C. 消除主属性对码的部分和传递依赖
D. 消除非平凡且非函数依赖的多值依赖

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His mother's scolding pierced him to the quick.

A. froze him completely
B. shamed him enormously
C. hurt him to the core
D. stuck in his craw

气调养护中药的关键在于

A. 充N2
B. 充C02
C. 充空气
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To the growing perturbation of the unions, the Ministry of Labour has been pressing for a stringent income policy.

A. satisfaction
B. disappointment
C. relief
D. anxiety

已知二维数组A[1：4，1：6）采用行序为主序方式存储，每个元素占用3个存储单元，并且A[1，1]的存储地址为1200，，元素A[2，4]的存储地址是（）。

A. 1221
B. 1227
C. 1239
D. 1257