安全审计是保障计算机系统安全的重要手段，其作用不包括______。

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问题单项选择题

A．重现入侵者的操作过程
B．发现计算机系统的滥用情况
C．根据系统运行的日志，发现潜在的安全漏洞
D．保证可信计算机系统内部信息不外泄

答案

参考答案：D

阅读理解

阅读短文，回答问题。

Li Ming is a Chinese boy. He wants to study in Canada. He wants to learn English for ten months. He will

live in Jenny's home. Jenny is his friend. She is a lovely girl. She introduces (介绍) her house to Li Ming. There

are six rooms m her house. They are three bedrooms, a living room, a kitchen and a bathroom.

1. Where does Li Ming come from?

______________________________________________________________

2. Where does Li Ming want to stuay?

______________________________________________________________

3. What does Li Ming want to learn?

______________________________________________________________

4. How many rooms are there in Jenny's house?

______________________________________________________________

单项选择题

患者男，28岁，偶尔发现右手第5近节指骨肿胀。查体：右手掌肿块，质硬，无明显压痛，无发热。进行了右手X线平片CT检查（下图）。

对于此病变影像学征象的描述，不正确的是（）

A.右手小指骨干囊性膨胀性溶骨破坏

B.边缘清楚可见硬化缘

C.病灶内可见不规则钙化

D.可见骨膜反应

E.病变为偏心性生长