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问题 单项选择题

尽管带有回拨功能的拨入线路要比不带回拨功能的拨入线路更不容易受到威胁，但是拨入线路的回拨功能具有的缺点是（）。

A.缺乏尝试登录的日志记录

B.不能在无效登录尝试后断开连接

C.存在通话转发设备

D.需要显示用户编号和密码

答案

参考答案：C

完形填空

缺词填空先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。（本大题共6分，每格0.5分）

Did you watch the magic shows played by Liu Qian from Taiwan in the 2010 CCTV spring festival gala(春晚)? They attracted great attention and w____1____ interests of the audience. Jin Qiu, d_____2____ of magic acrobatic section(魔术杂技组), said, “In fact, Liu has p____3____ three plans for his show. I think all of them are wonderful, even after I’ve w____4_____ them many times. So I think the audiences will think so too, when they first see them.”

The magic shows were so successful that everyone is now m_____5_____ about him and want to know how to play magic tricks. “ I saw the s_____6______ on everyone’s face. It was cool.” Liu said.

However, you may not believe that Liu n_____7_____ go to any magic school. He just learned by h_____8_____. When Liu was seven years old, he saw a coin trick in a big store. At that moment Liu d_____9_____ to learn magic. He worked quite hard at it. He practiced hard to i_____10_____ his skills. Then one day he was able to put on a show for his class, after years of hard work, now Liu is a great magician(魔术师). But he isn’t s______11_____ with what he has got and keeps on trying every day. He may spend three years w_____12_____ out a new show.
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填空题

专家系统与传统的程序之间的最大区别是专家系统以 【15】 为处理对象，传统程序以数据为处理对象。
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