I went along thinking of nothing ________爱下问搜题

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问题选择题

I went along thinking of nothing ________, only looking at things around me.[ ]

A. in particular

B. in harmony

C. in doubt

D. in brief

答案

答案：A

判断题

公安机关是我国国家的治安行政机关和刑事执法机关。( )

填空题

当前目录下有“成绩表”文件，表中有字段“分数C(3)”，现要将“分数”字段的宽度由3改为4，则语句为：
ALTER TABLE 成绩表______。