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【单选题】
Where can elements appear in the DD?A.
As child elements of .
B.
As direct descendants of elements.
C.
Just after the Document Type Declaration.
D.
Inside of elements when you want to declare a context initialization parameter.
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举一反三
【单选题】What does the Character Set Scanner command line utility do？（）
A.
Reports only on any Unicode character conversions required.
B.
Performs character set conversions to the new specified character set.
C.
Scans on any character set conversion required， then converts the data.
D.
Checks for any character definitions that will fail conversion to the new character set.
【简答题】表达式pow(2.8,sqrt(double(x)))值的数据类型为_________
【单选题】Utility is the set of numerical values that
A.
yields an absolute level of pleasure from a bundle of goods.
B.
reflects the relative ranking of various bundles of goods.
C.
describes how much more a consumer prefers one bundle to another.
D.
yields a cardinal ranking of bundles.
【简答题】之所以在井冈山时期称为毛委员,是因为当时在“中国工农红军第一军团”担任 。
【简答题】表达式pow(2.8，sqrt(float(x)))值的数据类型为______型。
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