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12．
A． grade one，class four
B． class four，grade one
C． Grade One，Class Four
D． Class Four，Grade One
参考答案
更多 “ 12．A． grade one，class fourB． class four，grade oneC． Grade One，Class FourD． Class Four，Grade One ” 相关考题
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现有： import java.util.*； class AddStuff2 { public static void main（String [] args） { TreeSett=new TreeSet（）； if （t.add（"one"）） if （t.add（"two"）） if （t.add （"three"）） add（"four"）； for （String s ： t） System.out.print （s）； } } 结果为：（） A、 oneB、 one three twoC、 one two threeD、 one two three fourE、 four one three twoF、编译失败
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class One { public One foo（） { return this； } } class Two extends One { public One foo（） { return this； } } class Three extends Two { // insert method here } Which two methods， inserted individually， correctly complete the Three class？（）A、 public void foo（） { }B、 public int foo（） { return 3； }C、 public Two foo（） { return this； }D、 public One foo（） { return this； }E、 public Object foo（） { return this； }
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单选题An example of class "A" fire is a/an （）.A
electrical fire in the engine roomB
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单选题A
She felt embarrassed when giving a presentation in class.B
Her presentation received a poor grade.C
She had not completed her assignment.D
She was unable to attend her psychology class.
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单选题There are not_____students in Class One as in Class Two.A
so manyB
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moreD
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单选题class One { public One（） { System.out.print（1）； } } class Two extends One { public Two（） { System.out.print（2）； } } class Three extends Two { public Three（） { System.out.print（3）； } } public class Numbers{ public static void main（ String[] argv） { new Three（）； } } What is the result when this code is executed？（）A
1B
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123D
321E
The code rims with no output.
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多选题class One { public One foo（） { return this； } } class Two extends One { public One foo（） { return this； } } class Three extends Two { // insert method here } Which two methods， inserted individually， correctly complete the Three class？（）Apublic void foo（） { }Bpublic int foo（） { return 3； }Cpublic Two foo（） { return this； }Dpublic One foo（） { return this； }Epublic Object foo（） { return this； }
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单选题现有： import java.util.*； class AddStuff2 { public static void main（String [] args） { TreeSett=new TreeSet（）； if （t.add（"one"）） if （t.add（"two"）） if （t.add （"three"）） add（"four"）； for （String s ： t） System.out.print （s）； } } 结果为：（）A
oneB
one three twoC
one two threeD
one two three fourE
four one three twoF
编译失败
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