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【单选题】
语句ALTER TABLE 表名ADD列定义可以中( )。
A.
删除一个列
B.
添加一个列
C.
修改一个列
D.
添加一张表
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【判断题】温度变化使仪表产生的误差属于随机误差。
A.
正确
B.
错误
【单选题】刻线尺的温度变化引起的示值误差属于哪一类误差?
A.
常值系统误差
B.
线性变化系统误差
C.
周期变化系统误差
D.
随机误差
【单选题】由于测量元件受环境温度变化影响造成的误差属于( )。
A.
随机误差
B.
疏忽误差
C.
相对误差
D.
系统误差
【判断题】用双列杂交测配合力可同时测定一般GCA和SCA
A.
正确
B.
错误
【单选题】各单位每年形成的会计档案,应由单位会计部门按照归档要求负责整理立卷或装订, 当年形成的会计档案在会计年度终了后,可暂由本会计部门保管的期限是 ()
A.
3年
B.
4年
C.
1年
D.
2年
【单选题】The double blows of the divorce and death left Sydney in a state of emotional paralysis , during which she was unable to finish her thesis in psychology.
A.
confusion
B.
disorder
C.
collapse
D.
apathy
【单选题】The double blows of the divorce and death left sydney in a state of emotional paralysis , during which she was unable to finish her thesis in psychology.
A.
confusion
B.
disorder
C.
collapse
D.
apathy
【简答题】抱腰阻截控制技能的适用警情是什么?
【单选题】In which dynasty Confucianism was created as the official state philosophy?
A.
the 20th century
B.
Zhou Dynasty
C.
Han Dynasty
D.
the Qin Dynasty
【单选题】The double blows of the divorce and death left Sydney in a state of emotional paralysis , during which she was unable to finish her thesis in psychology.
A.
disorder
B.
confusion
C.
apathy
D.
collapse
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