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【简答题】
下面的程序编译运行后,输出的结果是( ). import java.util.Arrays; public class Test { public static void main(String[] unused) { String[] str = {"xxx", "yyy","aaa","bbb"}; Arrays.sort(str); int index=Arrays.binarySearch(str,"aaa"); System.out.println(index); } } A. 0 B. 1 C. 2 D. 3
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【简答题】琼脂糖凝胶电泳分离DNA时，为什么要保持水平?
【简答题】The ground search for the woman has been ______.
【单选题】A typical proving ground covers an area at least of ( ) million square meters.
A.
10
B.
30
C.
20
D.
50
【多选题】请简述RIP协议为什么不适合在大型网络环境下使用:
A.
跳数限制为15跳
B.
是为小型网络设计的
C.
覆盖面积太少
D.
无法给网络进行加密
E.
极大的限制网络的大小
【单选题】（）payment of the hire the Owners may withdraw the Vessel from the service of Charterers，without prejudice to any claim Owners may otherwise have on Charterers under this Charter.
A.
In the event of
B.
In default of
C.
In spite of
D.
In respect of
【单选题】He has no place to live in because his house has been ___. [ ]
A.
built on the ground
B.
burnt to the ground
C.
built in the ground
D.
burnt on the ground
【简答题】琼脂糖凝胶电泳分离DNA时，电场电压为什么不宜超过5 V／cm?
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