搜题请搜索小程序“爱下问搜题”
问题 选择题

一零一中学组织参观地质博物馆活动．为了查询线路，需要选择（　　）

A．世界政区图

B．北京市交通地图

C．中国地形图

D．北京市区交通地图

答案

地图的家族非常庞大，有自然地图和社会经济地图．自然地图包括地形图、气候图、水文图、植被图等，社会经济地图包括工业图、农业图、商业图、交通图、人口分布图，不同的地图发挥着不同的作用．去地质博物馆参观，为了查询线路，需要选择北京市区交通地图．

故选：D．

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___

29（）

A.few 

B.fraudulent 

C.normal 

D.structured
查看答案
问答题 简答题

为什么当排气压力略小于0时才能停密封蒸汽？
查看答案