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问题 单项选择题

顺序查找一个具有n个元素的线性表，二分查找一个具有n个元素的有序表，其时间复杂性为______。

A．O(

B．O(log2

C．O(n2)

D．O(nlog2

答案

参考答案：B

问答题

Turkey’s Bodrum peninsula is different. The tourist boom in this part of the world (1) turned some small villages into resorts yet left neighbouring beaches undisturbed, making it quite (2) southern France or the Spanish Coasts where few stretches of coastline are undevelopeD．
The (3) for this happy set of circumstances is simple. For thousands of years, travel here (4) easier by boat than by lanD．So when mass tourism arrived in the (5) 1980s, there was no coast road for ribbon development to follow. So the peninsula, just (6) hour from Bodrum airport, has not become one long littoral of resort.
The building (7) new hotels has mainly been confined to places easily reached by then relatively (8) roads. Such ease of access has made Gumbet, near Bodrum, a busy resort, while the little fishing village of Gumusluk, 12 miles further west and only recently reachable by (9) , remains tranquil and undisturbeD．
It’s worth thinking carefully about location when planning a family (10) on the peninsulA．Choose a place that is centrally located, preferably out of earshot (11) Bodrum town’s "lively"—which means nosy—nightlife, and you can then use (12) area’s comfortably small scale to your advantage. Today’s new roads mean most places can (13) reached in under an hour by taxi or the ubiquitous dolmus-minibus.
The (14) of facilities at the Tamarisk Beach Hotel near the small village of Ortakent makes (15) a good base. The family-run hotel—rooms and suites are in two-storey buildings (16) by palm trees and flowers in terracotta pots—sits above its own sandy (17) beach, shaded by tamarisk trees and sheltered by nearby islands.
The hotel is (18) child-friendly, too. Children, from infants up to young teenagers, can take part in a (19) of games and activities that include tuition in windsurfing, dinghy (20) catamaran sailing.

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问答题 简答题

现在，市场上有许多新产品都是根据人们的“希望”研制出来的。例如，有一位企业家调查了用户对钢笔的希望：希望钢笔出水顺利；希望一支笔可以写出两种以上的颜色；希望不沾污纸面；希望能粗能细；希望笔尖不开裂；希望不用打墨水；希望省去笔套等等。这位企业家从中选出“希望省去笔套”这一条，研制出一种像圆珠笔一样可以伸缩的钢笔，从而省去了笔套。从思维方法的角度看，你是如何理解该企业家这种发明创造方法的？
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