题目内容

Parkign can sometimes be a problem, so try to avoid peak periods ______ you travel by bus.(2015,12.A)

A. until
B. although
C. unless
D. since

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________ informal a meeting is, full preparation should be made to improve its effectiveness.(2015,12. A)

A. No matter how
B. No matter what
C. No matter where
D. No matter when

I was walking along the road________ suddenly someone patted me on the shoulder from behind.

A. when
B. immediately
C. the moment
D. while

在下列查找方法中,适用于静态查找的方法有( )。

A. 折半查找、二叉排序树查找
B. 折半查找、索引查找
C. 二叉排序树查找、顺序查找
D. 哈希表查找、索引查找

下列选项中( )可能是在二叉排序树中查找35时所比较的关键字序列。

A. 2,25,40,39,53,34,35
B. 25,39,2,40,53,34,35
C. 53,40,2,25,34,39,35
D. 39,25,40,53,34,2,35