若有序表的关键字序列为(b,c,d,e,f,g,q,r,s,t),则在二分查找关键字

题型:单项选择题

问题:

若有序表的关键字序列为(b,c,d,e,f,g,q,r,s,t),则在二分查找关键字b的过程中,先后进行比较的关键字依次为 ( )

A.f,c,b

B.f,d,b

C.g,c,b

D.g,d,b

考点:自学考试数据结构数据结构真题2006年下半年
题型:单项选择题

Young people should be enjoying the best time of their lives . but those in their twenties or thirties are in worse health than their parents ,a British survey has found .

Drinking too much , eating fast food and being _short of_________exercise  all have a bad influence on young people .As a result , the young are more likely to have headaches , catch colds or become stressed than their parents .

According to the survey , those aged between 18 and 34 are three times more likely to catch colds than the older people . The following are the main reasons .

The old people usually eat more healthily .More than four in ten old people eat five or more part of fruit or vegetables a day . It’s twice the number of the young men and woman .  Six in ten old people cook their own meals every day .., compared to less than one third of the young people . Almost 10% of the young people admit that they eat fast food for every meal and 2% say they only eat at restaurants .

The old people are also more likely to take a lot of exercise . 12% of them spend at 30 minutes doing exercise each day .  They are healthier .  However ,only 9% of the young do so .

根据短文内容,选择正确答案。

小题1:The survey was made in _________.

A.China

B. Japan

C. America

D.the UK小题2:The underlined phrase “short of “ means ________in Chinese .

A.缺乏

B.少于

C.短小

D.除------外小题3:According to the survey ,  the parents are less likely to ________than children .

A.feel relaxed

B.catch colds

C.do exercise

D. eat at home小题4:Among the old people ,_________in   100 usually have meals at home .

A. 10

B. 30

C. 40

D. 60小题5:According the survey ,____________young people take a lot of exercise .

A. 20%

B. 30%

C. 15%

D. 9%

题型:单项选择题

下列关于探究菜青虫的取食行为的实验,叙述不正确的是

A.要从卵开始进行隔离饲养

B.实验用的叶片和滤纸应当一样大

C.实验用的滤纸颜色要比菜叶鲜艳

D.两组实验要在同一时间同一地点进行

题型:单项选择题

下列实验操作中,错误的是(  )

A.分液时,分液漏斗中下层液体从下口放出,上层液体从上口倒出

B.蒸馏时,应使温度计水银球位于蒸馏烧瓶支管处

C.用酒精萃取碘水溶液中的碘

D.称量时,将称量物放在称量纸或烧杯中,置于托盘天平的左盘,砝码放在托盘天平的右盘中

题型:单项选择题

癫痫的定义是()

A.是一组慢性疾病或综合征

B.发作性抽搐

C.中枢神经系统内存在破坏性病变

D.神经元异常放电所引起的暂时性大脑功能失常

E.具有突然发生、反复发作的特点

题型:单项选择题

当介质粘度增大时,压缩机的吸入特性将()

A、变好

B、变差

C、不变

D、不一定

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