对于具有144个记录的文件，若采用分块查找法，且每块长度为8，则顺序查找确定所在块时的平均查找长度为__________.
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最佳二叉树是AVL树（平衡二叉树）。
A. 对
B. 错
Would you feel kind of shy showingyour friends pictures of yourself fromseveral years ago?
A. 对
B. 错
Suddppeared in magazines and newspapers, and on TV shows, She was immediately popular.
A. 对
B. 错
It's sometimes difficult to see the difference between a fad and a trend
A. 对
B. 错
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