信息安全主要从四个方面保证计算机系统和通信系统的正常运作,以下不属于这四个方面的是A

题型:单项选择题

问题:

信息安全主要从四个方面保证计算机系统和通信系统的正常运作,以下不属于这四个方面的是

A.保密性

B.完整性

C.可控性

D.潜伏性

考点:计算机等级考试信息管理技术全国计算机等级考试三级信息管理技术真题2009年9月
题型:单项选择题

    One day at a park, a woman sat down next to a man on a bench (长椅) near a playground. “That’s my son over there,” she said, pointing to (指着) a little boy in a red sweater.

“He’s a lovely boy,” the man said. “That’s my daughter on the bike in the white dress.” Then, looking at his watch, he called to his daughter, “We have to leave for home now, Rosa.”

“Just five minutes, Dad,” Rosa said, “Please, just five more minutes.”

The man agreed and Rosa went to ride his bike happily. Five minutes later, the father stood and called again to his daughter, “Time to go now?”

“Five more minutes, Dad,” Rosa said again, “Just five more minutes.”

The man smiled and said, “OK.”

“Oh, you are really a patient father,” said the woman.

The man smiled and then said, “Her elder brother Tommy died (死) in a traffic accident (事故)last year when he was riding his bike near here,” the man said, “I never spent much time with Tommy and now I’d like to give anything for just five more minutes with him. I vowed (发誓) not to make the same mistake(错误) with Rosa. She thinks she has five more minutes to ride her bike. In fact, I get five more minutes to watch her play.”

小题1:The woman’s son was wearing _______________.

A.a red T-shirt

B.a red sweater

C.a white sweater

D.a white dress小题2:From the article, we know that Tommy was ____________.

A. the man’s son                            B. the woman’s son

C. Rosa’s younger brother                       C. the man’s elder brother

小题3:The underlined word “patient” means_____________.

A.严格的

B.勤劳的

C.有耐心的

D.积极的小题4:Which of the following sentences is TRUE?

A.The man’s daughter and her brother played at the park.

B.Rosa agreed to go home when her father called her the first time.

C.The woman felt sorry that she didn’t spend any time with her son.

D.The man learned a lot from Tommy’s death(死亡).

题型:单项选择题

若a是从区间[0,3]内任取一个实数,b是从区间[0,2]内任取一个实数,则关于x的一元二次方程x2-2ax+b2=0有实根的概率为______.

题型:单项选择题
把0.7、
9
10
、0.25、
43
100
7
25
11
45
,这6个数按从小到大的顺序排列起来.______.
题型:单项选择题

按《公路桥涵地基与基础设计规范》(JTJ 024—85),桥涵地基的容许承载力应根据( )确定。

A.地质勘测

B.原位测试

C.野外荷载试验

D.邻近旧桥涵调查对比

题型:单项选择题

油系统中的阀门为什么不许将门杆垂直安装?

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