若某航空公司的飞机订票系统有n个订票终端,系统为每个订票终端创建一个售票终端的进程。

题型:单项选择题

问题:

若某航空公司的飞机订票系统有n个订票终端,系统为每个订票终端创建一个售票终端的进程。假设Pi(i=1,2,…,n)表示售票终端的进程,Hj(j=1,2,…,m)表示公共数据区,分别存放各个航班的现存票数,Temp为工作单元。系统初始化时将信号量S赋值为 (26) 。Pi进程的工作流程如图所示,a、b和c处将执行P操作和V操作,则图中a、b和c应填入 (27)


A.0
B.1
C.2
D.3

考点:计算机软件水平考试高级系统分析师系统分析师
题型:单项选择题

对于发生破损或数量短缺的大宗散装商品、易腐烂变质商品、废旧物品办理入境报检时,必须在卸装口岸检验检疫机构报检。( )

题型:单项选择题

阅读理解

     Bernard Longmore is a reporter of a national newspaper.I talked to him recently and have found

something interesting about him.Bernard went to our school and is now a reporter for a national

newspaper.He decided to be a reporter when he was 14.He started writing articles for the school

newspaper when he was 15.He became the editor of the paper when he was 17.He went to university

and wrote for the university newspaper.Then he got a job with a small newspaper.After about two

years,he started working for a national newspaper.He has worked for them for four years now.

     Bernard liked our school.He thinks that successful people know what they want to do when they

are quite young.

根据短文回答问题。

1.What does Bernard Longmore do?

________________________________________

2.How old was Bernard Longmore when he decided to be a reporter?

________________________________________

3.How long did Bernard Longmore work for the small newspaper?

________________________________________

4.When did Bernard Longmore start writing articles?

________________________________________

5.Did he go to the university?

________________________________________

题型:单项选择题

后人把著名的柳书和颜书并称为[ ]

A. 颜厚柳细

B. 颜肥柳瘦

C. 颜筋柳骨

D. 颜骨柳筋

题型:单项选择题

从昆明乘火车到海防,再转乘轮船去上海,这样的事情出现在哪条铁路开通以后?[ ]

A.淞沪

B.滇越

C.唐胥

D.京张

题型:单项选择题

在DO WHILE-ENDDO的循环结构中,下列叙述正确的是( )。

A. 循环体中的LOOP和EXIT语句的位置是固定的。

B. 在程序中应加入控制循环结束的语句

C. 执行到ENDDO时,首先判断表达式的值,然后再返回DO WHILE语句

D. 循环体中的LOOP语句为跳出循环体

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