电流表以磁电式系列最为广泛,其计量单位为()。A.MPa B.kg C.Pa D.A

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问题:

电流表以磁电式系列最为广泛,其计量单位为()。

A.MPa

B.kg

C.Pa

D.A

考点:锅炉操作工考试锅炉操作工考试题库
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肠瘘瘘口的负压引流管的负压应维持在()

A.1.5~2kPa

B.2~3.2kPa

C.3~4kPa

D.4~6.6kPa

E.7~8.5kPa

题型: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 ___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___

31()

A.victimized 

B.personate 

C.identity 

D.latency

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网卡的主要功能不包括______。

A.将计算机连接到通信介质上

B.进行电信号匹配

C.实现数据传输

D.网络互联

题型:单项选择题

免除

题型:单项选择题

下列选项中,子宫内膜异位症引起不孕的重要原因是:()

A.性交痛

B.盆腔粘连

C.黄体功能缺陷

D.子宫后位

E.卵巢巧克力囊肿

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