结构化方法的基本思想是从功能出发,自顶向下地完成系统的研制工作。
参考答案:对
患者,男性,25岁,外出务工,不慎从高处坠落,体检:面色苍白、脉搏细弱,四肢湿冷,左耻骨联合及大腿根部大片瘀斑、血肿。BP:70/55mmHg,HR:135次/分,T:37.0℃。伤后送医院,途中患者渐转入昏迷,最终死亡。该患者属于何种休克()
A.感染性休克
B.心源性休克
C.失血性休克
D.神经源性休克
E.过敏性休克
Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to ______ Web sites without their knowledge or consent. Pharming has been called "phishing without a lure". In phishing, the perpetrator sends out legitimate-______ e-mails, appearing to come from some of the Web’s most popular sites, in an effort to obtain personal and financial information from individual recipients. But in pharming, larger numbers of computer users can be ______ because it is not necessary to target individuals one by one and no conscious action is required on the part of the victim.In one form of pharming attack, code sent in an e-mail modifies local host files on a personal computer. The host files convert URLs into the number strings that the computer uses to access Web sites. A computer with a compromised host file will go to the fake Web site even if a user types in the correct Internet address or clicks on an affected ______ entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing ______
A. connecting B. contenttagging C. looking D. binding