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问题 单项选择题

某领导是位独裁者，员工不愿意进行任何有意义的向上沟通，这体现了信息沟通过程中发送者方面存在的（）障碍。

A.管理风格

B.信息过滤

C.选择性知觉

D.信息适应性

答案

参考答案：A

单项选择题

货物运输保险合同和运输工具航程保险合同在保险责任开始后，解除保险合同的规定为( )。

A．合同当事人都不得解除保险合同
B．合同当事人都可以解除保险合同
C．投保人可以解除保险合同，保险人不得解除保险合同
D．保险人可以解除保险合同，投保人不得解除保险合同
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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) fraudulent Web sites without their knowledge or consent. Pharming has been called "phishing without a lure".

In phishing, the perpetrator sends out legitimate- (72) looking e-malls, 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) victimized 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) bookmark entry. Some spyware removal programs can correct the corruption, but it frequently recurs unless the user changes browsing. (75) habits,

（74）是（）

A.hypertext

B.computation

C.expectation

D.bookmark
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