硬盘的性能指标不包括__(1)__;其平均访问时间=__(2)__。空白(2)处应选

题型:单项选择题 案例分析题

问题:

硬盘的性能指标不包括__(1)__;其平均访问时间=__(2)__。

空白(2)处应选择()

A.磁盘转速+平均等待时间

B.磁盘转速+平均寻道时间

C.数据传输时间+磁盘转速

D.平均寻道时间+平均等待时间

考点:计算机软件水平考试初级程序员计算机水平考试初级程序员2013年下半年上午真题
题型:单项选择题 案例分析题
Doing exercise can help people keep healthy. Do you often jog(慢跑)? Jogging became popular about twenty years ago and now it is a favorite way of keeping fit for lots of people. People of any age like to do it. Children can jog and old people can jog, too. They can jog anywhere. People jog around college(大学), around houses, and in parks.
Jogging doesn’t need any training. Do some warm-up exercises(热身练习) and then you are ready to start.
Jogging is good for health. It is good for lungs and the heart. It is easy and convenient(方便的).
根据短文内容,完成下面的表格。(每空词数不限)
Sport
jogging
History
became popular  小题1:        ago
Participant(参与者)
people  小题2:             like to do it
Place
anywhere, around college and houses and in  小题3:           .
Advantage(优点)
good for lungs and the  小题4:        ,  小题5:         and convenient.
题型:单项选择题 案例分析题

其他材料浸涂精梳毛已绘制画布

题型:单项选择题 案例分析题

VO是指()

A.氧吸收率

B.每分通气量

C.最大吸氧量

D.二氧化碳排出率

E.峰值吸氧量

题型:单项选择题 案例分析题

金融市场是以( )为交易对象而形成的供求关系及其交易机制的总和。

A.货币
B.商I品
C.金融工具
D.买卖金融工具的权利

题型:单项选择题 案例分析题

抑制性呼吸出现于()

A.呼吸与脉搏之比为1:4

B.气管异物

C.糖尿病酮症酸中毒

D.胸膜恶性肿瘤

E.慢性阻塞性肺疾病

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