下面这段代码中，变量subString的结果是（）。 DimaStringAsString="LeftCenterRight" DimsubStringAsString subString=Mid(aString,13)
A. "_Right"
B. "Right_"
C. "Right"
D. "LeftCenter_"
E. "LeftCenter"
F. "_LeftCenter_"
G. "LeftCenterR"
查看答案
Which one statements is true？（）
A. Compilation fails.
B. An exception is thrown at runtime.
C. The attribute id in the ItemTest object remains unchanged.
D. The attribute id in the ItemTest object is modified to the new value.
E. A new ItemTest object is created with the preferred value in the id attribute.
Refer to the exhibit. Which ephone-dn type does Phone 10 represent?（）
A. shared ephone-dn
B. overlaid ephone-dn
C. oual-line ephone-dn
D. single-line ephone-dn
E. dual-number ephone-dn
F. two ephone-dns with one number
下面这段代码中，变量subString的结果是（）。 DimaStringAsString="LeftCenterRight" DimsubStringAsString subString=aString.SubString（1，4）
A. "_Left"
B. "Left_"
C. "Left"
D. "eft"
主要的数据挖掘算法有（）。
A. 分割聚类法
B. ID3算法
C. Apriori算法
D. 遗传算法
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