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问题 单项选择题

典型少尿型急性肾衰临床表现可分为三期，各期的持续时间（）是错误的。

A、少尿期一般持续7~14天

B、多尿期持续多为1~2周

C、多尿期多为1~3周或更长

D、恢复期完全恢复需一年以上

E、以上都不是

答案

参考答案：B

选择题

下列说法中错误的是

A．水银不是银

B．干冰不是冰

C．食盐不是盐

D．纯碱不是碱
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单项选择题

Pharming is a scamming practice in which malicious code is installed on a personal computer or server, misdirecting users to (71) Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".
In phishing, the perpetrator sends out legitimate- (72) 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 (73) 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 (74) entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing ( 75 ) .

A．victimized

B．personate

C．identity

D．control
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