信息系统有哪些病毒防范制度？

误栓塞

根据句意及首字母或汉语提示完成单词。

1. My mother doesn't a_____me to go out at night.

2. She always speaks to the old man p_____.

3. P_____. you are right, but I'm not sure.

4. We know that China is an _____(亚洲的)country.

5. Those boys often play football in the _____(院子)in front of the school,

网卡的主要功能不包括______。

A．将计算机连接到通信介质上

B．进行电信号匹配

C．实现数据传输

D．网络互联

安居乐业:颠沛流离( )

A．吸收:放弃

B．简单:杂乱

C．雪中送炭:雪上加霜

D．巧夺天工:鬼斧神工

用所给单词的适当形式填空。

1. Simon said he had a _______( please) journey last week.

2. Every year many _______( tour)  come to Beijing to visit the Great Wall.

3. We should work hard at English because it's important in our_______( day) life.

4. It is_______ (possible) for him to finish the work in one hour, because it's very difficult.

5. Don't worry! They can take care of_______( they).