[单项选择]特洛伊木马：攻击者在正常的软件中( )一段用于其他目的的程序，这个程序段往往以安全攻击作为其最终目标。
A. 删除
B. 复制
C. 修改
D. 隐藏

[单项选择]18米长的竹竿被截成两段，短的一段是长的一段的4/5，那么，短的一段有多少米长( )
A. 7．5米
B. 8米
C. 8．5米
D. 9米

[单项选择]一根长18米的钢筋被锯成两段，短的一段是长的一段的4/5，问短的一段有多少米长？（）
A. 7.5米
B. 8米
C. 8.5米
D. 9米

[单项选择]两根绳子，长的一段是24米，短的一段是18米。两根都截去相同长度的一段后，长的绳子的长度是短绳子长度的4倍。剪短后，长的绳子有多少米( )
A. 6米
B. 2米
C. 8米
D. 4米

[单项选择]某司机驾驶一辆具有自动报警装置的小汽车，开始时汽车内仪表板上显示各系统安全正常。运行一段时间后，汽车内仪表板上发动机机油指示灯发出报警声音，但汽车还能继续行驶。根据人机系统可靠性设计的基本原则，此项功能设计属于（　　）原则。
A. 系统的整体可靠性
B. 高可靠性
C. 具有安全系数的设计
D. 人机工程学

[单项选择]

听下面一段对话，回答下列问题。
 

听下面一段对话，回答下列问题。

听下面一段对话，回答下列问题。
W: Hi, Bill, can you tell me how it happened
M: Sure. I was mountain climbing in New Hampshire in 1982. Suddenly the weather became really bad. There was a lot of snow and we couldn’t see anything. We got lost. Well, we spent four days on the mountain. The temperature was 20 degrees below zero, We didn’t have any equipment or food.
W: So what happened I guess someone found you, right
M: Yes, but we were very sick. I couldn’t move my legs because of the cold. f spent two months in the hospital. The doctors removed my legs.
W: Right. So you lost your legs, but you want to try your best to stay active.
M: That’s right. In fact, I decided to make some new legs for myself. I realized that no one had to be physically disabled. We can use modern technology to help us.
W: And you built these great new legs. Can you go mountai
A. Design new climbing shoes.
B. Establish a club for the disabled.
C. Use technology to fight his disability.

[单项选择]

听下面一段对话，回答下列问题。
 

听下面一段对话，回答下列问题。
W: Hi, Bill, can you tell me how it happened
M: Sure. I was mountain climbing in New Hampshire in 1982. Suddenly the weather became really bad. There was a lot of snow and we couldn’t see anything. We got lost. Well, we spent four days on the mountain. The temperature was 20 degrees below zero, We didn’t have any equipment or food.
W: So what happened I guess someone found you, right
M: Yes, but we were very sick. I couldn’t move my legs because of the cold. f spent two months in the hospital. The doctors removed my legs.
W: Right. So you lost your legs, but you want to try your best to stay active.
M: That’s right. In fact, I decided to make some new legs for myself. I realized that no one had to be physically disabled. We can use modern technology to help us.
W: And you built these great new legs. Can you go mountain climbing again
M:
A. Low temperature.
B. Terrible weather.
C. An unsuccessful operation.

[单项选择]

软件质量特性中， (15) 是指在规定的一段时间和条件下，与软件维持其性能水平能力有关的一组属性； (16) 是指防止对程序及数据的非授权访问的能力。

（15）处填（）。
A. 正确性
B. 准确性
C. 可靠性
D. 易实用性

[填空题]响应某个事件后所执行的操作通过一段程序代码来实现，这样的一段程序代码叫做 【6】 。

[单项选择]在软件质量特性中， (53) 是指在规定的一段时间和条件下，与软件维持其性能水平的能力有关的一组属性； (54) 是指防止对程序及数据的非授权访问的能力。
供选择的答案

A. 正确性
B. 准确性
C. 可靠性
D. 易使用性

[单项选择]

在软件质量特性中， (14) 是指在规定的一段时间和条件下，与软件维持其性能水平的能力有关的一组属性： (15) 是指防止对程序及数据的非授权访问的能力。

（15）处填（）。
A. 安全性
B. 适应性
C. 灵活性
D. 容错性