Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to ___29___ Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".

In phishing, the perpetrator sends out legitimate-___30___ 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 ___31___ 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 ___32___ entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing ___33___

29（）

A.few 

B.fraudulent 

C.normal 

D.structured

患者男性48岁，胆囊息肉，拟行腹腔镜胆囊切除术，以往有慢性乙肝病史。

如果肝功能较差，术前治疗哪项欠妥当()

A．静脉点滴GIK(极化)液

B．补充维生素B、C、K

C．输白蛋白

D．输鲜血

E．氢氯噻嗪纠正水钠潴留