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【单选题】
阅读以下代码 11.class Alpha { 12. public void foo() { System.out.print("Afoo "); } 13. } 14. public class Beta extends Alpha { 15. public void foo() { System.out.print("Bfoo "); } 16. public static void main(String[] args) { 17. Alpha a = new Beta(); 18. Beta b = (Beta)a; 19. a.foo(); 20. b.foo(); 21. } 22. } 程序的执行结果是?
A.
Afoo Afoo
B.
Afoo Bfoo
C.
Bfoo Afoo
D.
Bfoo Bfoo
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参考答案：
举一反三
【单选题】RESULT OF SEARCH NEGATIVE means ______.
A.
the search has found nothing
B.
the derelict has been found
C.
the derelict has been located
D.
the derelict has been sighted
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【单选题】derelict
A.
grievous
B.
deprived
C.
abandoned
D.
hunt
查看完整题目与答案
【单选题】derelict
A.
grievous
B.
deprived
C.
abandoned
D.
hunted
查看完整题目与答案
【多选题】苎麻根与紫珠的功效的共同点是
A.
凉血止血
B.
收敛止血
C.
清热利尿
D.
清热解毒
查看完整题目与答案
【单选题】计算机能直接执行的计算机程序是 。
A.
机器语言程序
B.
汇编语言源程序
C.
BASIC语言源程序
D.
PASCAL语言源程序
查看完整题目与答案
【单选题】Unlit derelict vessel adrift in vicinity of North Rocky Island at 0250 hours local time
A.
Dangerous wreck is reported to be in vicinity of North Rockly Island
B.
Unlit derelict vessel is reported to be in vicinity of North Rockly Island
C.
Leaking pipeline is reported to be in vicinity of North Rockly Island
D.
Hazardous mine is reported to be in vicinity of North Rockly Island
查看完整题目与答案
【单选题】derelict
A.
delicious
B.
discharged
C.
deserted
D.
distressed
查看完整题目与答案
【单选题】derelict
A.
hunted
B.
grievous
C.
abandoned
D.
deprived
查看完整题目与答案
相关题目：
【单选题】RESULT OF SEARCH NEGATIVE means ______.
A.
the search has found nothing
B.
the derelict has been found
C.
the derelict has been located
D.
the derelict has been sighted
查看完整题目与答案
【单选题】derelict
A.
grievous
B.
deprived
C.
abandoned
D.
hunt
查看完整题目与答案
【单选题】derelict
A.
grievous
B.
deprived
C.
abandoned
D.
hunted
查看完整题目与答案
【多选题】苎麻根与紫珠的功效的共同点是
A.
凉血止血
B.
收敛止血
C.
清热利尿
D.
清热解毒
查看完整题目与答案
【单选题】计算机能直接执行的计算机程序是 。
A.
机器语言程序
B.
汇编语言源程序
C.
BASIC语言源程序
D.
PASCAL语言源程序
查看完整题目与答案
【单选题】Unlit derelict vessel adrift in vicinity of North Rocky Island at 0250 hours local time
A.
Dangerous wreck is reported to be in vicinity of North Rockly Island
B.
Unlit derelict vessel is reported to be in vicinity of North Rockly Island
C.
Leaking pipeline is reported to be in vicinity of North Rockly Island
D.
Hazardous mine is reported to be in vicinity of North Rockly Island
查看完整题目与答案
【单选题】derelict
A.
delicious
B.
discharged
C.
deserted
D.
distressed
查看完整题目与答案
【单选题】derelict
A.
hunted
B.
grievous
C.
abandoned
D.
deprived
查看完整题目与答案
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