Melissa and LoveLetter made use of the trust that exists between friends or colleagues. Imagine receiving an (6) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (7) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’address book, previous emails, web pages (8) .
As administrators seek to block dangerous email attachments through the recognition of well-known (9) , virus writers use other extensions to circumvent such protection. Executable(.exe)files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.
Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwouds and give the (10) access to your network.

A．virtual

B．virus

C．worms

D．bacteria

《人民日报》载文指出，党的先进性建设是党的执政能力的核心和基础，开展保持 * * 党员先进性教育活动是提高党的执政能力和水平的关键一环，二者息息相关，密不可分。据此回答1~2题。

1、保持 * * 党员先进性教育活动与提高党的执政能力和水平息息相关，密不可分，是因为[ ]

①只有始终保持党的先进性，党才能不断提高执政能力和水平

②只有提高党的执政能力和水平，党才能永葆先进性

③党员保持先进性，必须严格遵守党的纪律

④党的政治领导主要依靠法律来实现

A、①②

B、①③

C、②③

D、③④

2、党的执 * * 力是通过各级组织具体行使的，任何一个环节出了问题，都会影响执政全局，必须加强组织建设。党的组织建设最根本的是[ ]

A、建设一支能够担当重任，经得起风险考验的高素质干部队伍

B、保持党同人民群众的血肉联系

C、建立健全充分反映党员和党组织意愿的党内民主制度

D、把党的思想、组织、作风建设有机结合起来