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【单选题】
()是过去的经验在人脑中的保存和提取,是人脑对过去经历过的事物的反映。
A.
记忆
B.
识记
C.
遗忘
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举一反三
【单选题】SQL语言中,删除一个表的命令是:
A.
DROP
B.
DELETE
C.
CLEAR
D.
REMOVE
【单选题】______ advice I give him , he just does not listen.
A.
However
B.
No matter how
C.
No matter
D.
Whatever
【判断题】若两数列平均水平不同,在比较两数列离散程度时,应采用标准差系数。()
A.
正确
B.
错误
【单选题】若两数列平均水平不同,在比较两数列离散程度时,应采用?
A.
全距
B.
平均差
C.
标准差
D.
标准差系数
【单选题】若两数列平均水平不同,在比较两数列离散程度时,应采用( )
A.
全距
B.
平均差
C.
标准差
D.
标准差系数(离散系数)
【简答题】读短文,选择正确答案。 In my family, my little brother often asks me for advice. I thind he does it because he knows I will give him my honest opinion about his problems. When I have to help him, I start by aski...
【判断题】是否组成集合?参加北京奥运会的男运动员
A.
正确
B.
错误
【单选题】对文本进行镜像操作时常会出现文本倒转的情况,以下哪种方式可以文本不倒转( )。
A.
mirrtext=1
B.
mirrtext=0
C.
mirror=1
D.
mirror=0
【简答题】SQL语言中,删除一个表的命令是
【简答题】In my family, my little brother often asks me for advice. I think he does it because he knows I will give him my honest opinion about his problems. When I have to help him, I start by asking him how h...
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