题目内容

Her friend knows where he can ______ a good used car for her at a reasonable price.

A. choose
B. pick out
C. pick up
D. reach

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Information and knowledge in IT industry ______ very fast.

A. outdated
B. keeps
C. releases
D. updates

You can stay at my cottage in the country ______ you like.

A. whatever
B. whenever
C. wherever
D. whoever

对关键码序列(2, 6, 3, 5 , 7, 9, 8, 4),执行升序排序,写出冒泡排序算法在每一趟排序结束时的关键码序列。

对关键码序列(2, 6, 3, 5 , 7, 9, 8, 4),执行升序排序,写出简单选择排序算法在每一趟排序结束时的关键码序列。

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