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【多选题】
冶金过程是含有（）的多相和多物质的反应。A.
气态
B.
液态
C.
固态
D.
超固态
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参考解析：
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皮皮学刷刷变学霸
举一反三
【多选题】下列关于离散系数说法正确的有( )。
A.
变量风险单位离散趋势的绝对指标称离散系数
B.
标志值的离散程度越大，其业务稳定性越好
C.
离散系数很多，最常用的是标准差系数
D.
标志值的离散程度越小，其业务稳定性越好
E.
标志值的离散程度越小，其业务稳定性越差
【单选题】That was the first time I _______ there and I was impressed by the friendly people very muchA．go
A.
29. That was the first time I _______ there and I was impressed by the friendly people very much A．go
B.
was going
C.
had gone
D.
have gone
【单选题】That was the first time I _______ there and I was impressed by the friendly people very much
A.
go
B.
was going
C.
had gone
D.
have gone
【判断题】We don’t have to debate on one thing, that is, a healthy diet means balanced nutrition.()
A.
正确
B.
错误
【简答题】离散系数 名词解释
【简答题】离散系数比标准差更适用于比较两组数据的离散程度，这是因为离散系数（ ）。
【单选题】It was the first time I _______ there and I was impressed by the friendly people very much.
A.
go
B.
was going
C.
had gone
D.
have gone
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