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【多选题】
填写原始凭证时,符合书写要求的有()A.
A,小写金额数字前应书写货币币种符号
B.
B,币种符号与阿拉伯数字之间不得留有空白
C.
C,大写金额有分的,分字后面要写“整”或“正”
D.
D,阿拉伯数字应当逐个填写,不得连笔写
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举一反三
【单选题】在回归模型y= + x+ε反映的是( )。
A.
由于x的变化引起的y的线性变化部分
B.
由于y的变化引起的x的线性变化部分
C.
除x和y的线性关系之外的随机因素对y的影响
D.
x和y的线性关系对y的影响
【单选题】在回归模型 中, 反映的是()
A.
由于x的变化引起的y的线性变化部分
B.
由于y的变化引起的x的线性变化部分
C.
除x和y的线性关系之外的随机因素对y的影响
D.
x和y的线性关系对y的影响
【单选题】在回归模型中y= 中, 反映的是
A.
由于 的变化引起的 y的线性变化部分
B.
由于 y的变化引起的x 的线性变化部分
C.
除x 和 y的线性关系之外的随机因素对y的影响
D.
由于x 和 y的线性关系对y的影响
【多选题】In plant and animal systems, is it the same of the definition and inclusion for essential elements? Why?
A.
The definition and inclusion for essential element are not the same in plant and animal systems.
B.
Because the trace elements essential for plants are those elements which cannot be substituted by others in their specific biochemical roles and that have a direct influence on the organism so that it can neither grow nor complete some metabolic cycle.
C.
In general, B, Co, Cu, Fe, Mn, Mo, Si and Zn are known to be essential for plants, whilst Al, As, Br, F, I, Li, Ni, Rb, Se, Sr, Ti and V are known to be essential for some groups or species. In human and animal systems, trace elements are defined as being essential if depletion consistently results in a deficiency syndrome and repletion specifically reverses the abnormalities.
D.
The trace elements fulfilling these requirements are As, Co, Cr, Cu, F, Fe, I, Mn, Mo, Ni, Se, Si, Sn, V and Zn.
【多选题】Besides the body, what are the essential elements of a typical business letter?
A.
Letterhead
B.
Reference
C.
Date
D.
Inside name and address
E.
Attention line
F.
Salutation
G.
Subject line
H.
Complimentary close
I.
Signature
J.
Enclosure
【单选题】Explain the essential elements of communication and their interaction using representative communication models.
A.
I can do it.
B.
I can not.
【单选题】在 回 归 模 型 反映的是( )y= + x+ , 反映的是( )
A.
由于x变化引起的y的线性变化部分
B.
由于y的变化引起x的线性变化部分
C.
除x和y的线性关系之外的随机因素对y的影响
D.
x 和y 的线性关系对y的影响
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