下面关于计算机病毒的叙述中，不正确的是( )。
A．计算机病毒有破坏性，凡是软件作用到的计算机资源，都可能受到病毒的破坏
B．计算机病毒有潜伏性，它可能长期潜伏在合法的程序中，遇到一定条件才开始进行破坏活动
C．计算机病毒有传染性，它能不断扩散，这是计算机病毒最可怕的特性
D．计算机病毒是开发程序时未经测试而附带的一种寄生性程序，它能在计算机系统中存在和传播
参考答案：D
解析： 所谓计算机病毒是指能够侵入计算机系统并在计算机系统中潜伏、传播、破坏系统正常工作的一种代码程序。但它不是开发程序时附带的寄生程序。
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| My husband is an engineer. Since we met, he has always been the rock in my life.I knew he had his feet 1 planted on the ground, and it seemed that no matter what else went 2 , he would be the constant one. Three years of romance and two years of marriage later, I began to feel 3 of him because he never brought me flowers, he never 4 me, and nothing had changed in our marriage. After 5 , I finally told him I wanted to be 6 . He just sat there, speechless and didn't even know 7 to say to make me stay. Finally, he spoke, "What can I do to change your 8 ?" "I'll stay if you have a good answer 9 this question, "I replied coldly. "If I asked for a 10 growing on a cliff, and getting it for me 11 certain death, would you still do so?" His face grew troubled. "Can I give you the answer tomorrow morning?" With that, my heart 12 . He couldn't even give me an answer 13 away. The next morning, I found he was 14 . However, I found a note under a warm glass of milk. My eyes 15 misty(湿润)as I was reading it. " Dear, I'll give you my 16 . After you do typing for a long time, I need my 17 to do it for you. Every time you leave the house, you forget your keys. I need my legs to run 18 and open the door for you.... that's why I cannot pick the flower for you..." With tears 19 from my eyes, I opened the door. And there he was, with an extremely worried look on his face, waving the packet he had in his hand in front of me. Just because someone doesn't love you 20 you want him to, it doesn't mean that he doesn't love you heart and soul. | ||||
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