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【单选题】
阅读下面的 Java 代码 int[] arr; int n = 5; n = n * 2 +1; arr = new int[n]; System.out.println(arr.length); 程序输出的结果是A.
5
B.
8
C.
10
D.
11
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反馈参考答案：
举一反三
【单选题】The supply of wine has remained the same partly because ______.
A.
wine-producing countries are unwilling to increase their production
B.
new vineyards will not be opened up in such counties as Australia
C.
countries like Italy and Spain can' t supply enough good wines
D.
the production of wine bottles has ceased to increase
【判断题】Wine has been classified by various methods which have been constant over the years
A.
正确
B.
错误
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