Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to （1） Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".

In phishing, the perpetrator sends out legitimate-（2） 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 （3） 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 （4）entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing （5）

5（）

A.habits signature 

B.manageability 

C.efficiency 

D.address

下列说法正确的有（）

A.地西泮是治疗癫痫持续状态的首选药，静注可迅速控制发作，但作用时间较短，可单独用于控制癫痫持续状态

B.硝西泮除静注以控制癫痫持续状态外，主要用于肌阵挛性发作

C.氯硝西泮作用较上述二药强，对各型癫痫都有效，而以失神发作，婴儿痉挛和肌阵挛发作疗效好

D.静注氯硝西泮控制癫痫持续状态作用既迅速而又持久，对心血管及呼吸的抑制较地西泮弱

E.本类其他药物也可用于抗癫痫的辅助用药，治疗难治性癫痫