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问题 单项选择题

以下不属于防火墙的缺点的是（）。

A.防火墙不能防范不经过防火墙的攻击

B.防火墙对用户不完全透明

C.防火墙也不能完全防止受病毒感染的文件或软件的传输

D.不能隐藏内部地址和网络结构

答案

参考答案：D

填空题

用所给单词的适当形式填空。

1. I didn't go ____________ (somewhere) yesterday. I stayed at home the whole day.

2. She ____________ (be) a good dancer if she practices often.

3. Kate ____________ (buy) a new toy for her friend yesterday.

4. The ____________ (follow) day, the patient asked for a bedside telephone.

5. I hear a great ____________ (science) will give us a talk tomorrow.

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单项选择题

E

Last year, Shanghai-born Charles K. Kao and two North American scientists got the 2009 Nobel Prize(诺贝尔奖) in Physics together. Their work made the Internet come into a new age.

Kao, 77, was born in Shanghai in 1933. He is famous for finding out how to transmit (传输)light signals(信号) over long ways through glass fibers (玻璃纤维) as thin as a human hair. His work makes the Internet information transmit faster around the world. Kao was vice chancellor(副校长) of the Chinese University of Hong Kong from 1987 to 1996. He doesn’t work, and lives in Hong Kong now.

The Chinese people were pleased to learn the good news. "The people of Hong Kong and I send our congratulations to Kao on receiving the prize... Kao is also a true gentleman. We are greatly proud to have such an excellent person in Hong Kong. "Zeng Yinquan once said.

Willard Boyle, a Canadian American, and George Smith of the United States got the other half of the prize.

Charles K. Kao was born in （）.

A．Shanghai

B．Hong Kong

C．New York

D．Beijing
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