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【单选题】
以下关于 Java 语言中 clone() 方法的使用错误的是 ( ) 。A.
对于任何对象 x ， x.clone()==x
B.
对于任何对象 x ， x.clone().getClass()==x.getClass()
C.
在子类的 clone() 方法中可以通过调用 super.clone() 来实现自我复制
D.
支持浅克隆的类必须实现 Cloneable 接口，否则将抛出 CloneNotSupportedException 异常
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【单选题】已知 A=- 2000×2003 2001×2002 ，B=- 2000×2002 2001×2003 ，C=- 2000×2001 2002×2003 ，则A，B，C的大小关系是（ ）
A.
A＞B＞C
B.
C＞B＞A
C.
B＞A＞C
D.
B＞C＞A
【单选题】The first message sent should be a polite note saying that the goods ordered are ready but the relevant L/C has not yet come to hand. If the first message brings no reply, a second one will be sent. T...
A.
appointment and surprise
B.
appointment and dissurprise
C.
disappointment and surprise
D.
disappointment and dissurprise
【多选题】What are the obvious missing pieces during the outbreak of Ebola. A. No group of epidemiologists ready to go. B. No medical team ready to go. C. No one to look at treatment approaches and diagnostics....
A.
No group of epidemiologists ready to go.
B.
No medical team ready to go.
C.
No one to look at treatment approaches and diagnostics.
D.
No one to figure out what tools should be used.
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