题目内容

According to the text, FIVE of the following statements are true. Write the corresponding letters in answer boxes 18 to 22 in any order.A. It is not a problem if illegal immigrants buy fake IDs.B. Identity theft is often hard to discover immediately.C. Symantec is a new firm.D. Phishing scams involve convincing people to give their details over the intemet.E. Honest computer security testers tell the software company when they find zero day exploits.F. Trojan horses only steal online bank account information.G. People shouldn’t respond to emails asking for confidential information.H. Check for online security measures before buying things online. 18（）

查看答案

搜索结果不匹配？点我反馈

更多问题

依次与下列别号正确配对的一组作家是_____．六一居士北江先生白石道人

山感恩地，方成其高峻；海感恩溪，方成其博大。“感恩”是出于真诚恳切地对别人的帮助表示感谢，但感恩，并不止于此。当一个人经常说“感恩”的时候，他的生活便少了一份抱怨，多了份珍惜。请以“感恩”为话题，写一篇作文，题目自拟，角度自选，体裁不限，600字以上。提示：可从以下角度展开：感恩生命；感恩亲情；感恩师友；感恩生活；感恩自然；感恩社会。

Questions 23-26 According to the information given in the text, choose the correct answer or answers from the choices given. exploits（）

A. avoid computer programme security measures.
B. are easy to detect.
C. are always sold to the highest bidder.

用例从用户角度描述系统的行为。用例之间可以存在一定的关系。在“某图书馆管理系统”用例模型中，所有用户使用系统之前必须通过“身份验证”，“身份验证”有“密码验证”和“智能卡验证”两种方式，则“身份验证”与“密码验证”和“智能卡验证”之间是 (42) 关系。

A. 关联
B. 包含
C. 扩展
D. 泛化