题目内容

在长度为n的有序线性表中进行二分查找,在最坏情况下需要比较的次数是

A. O(n)
B. O(n2)
C. O(log2n)
D. O(nlog2n)

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When teachers are mentioned to act as a facilitator, they should be acting

A. easily.
B. familiarly.
C. fast.
D. helpfully.

为了清除窗体上的一个控件,下列操作正确的是

A. 按回车键
B. 按Esc键
C. 选择(单击)要清除的控件,然后按Del键
D. 选择(单击)要清除的控件,然后按回车键

Nobody knows what the ______ of the war will be.

A. development
B. outcome
C. expectation
D. possibility

Even though the young like to use the latest in words, they ______ use the fabulous and obsolete words.

A. don't dare
B. dare not
C. won't dare
D. dare not to

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