Melissa and LoveLetter made use of the l:rust that exists between friends or colleagues.Imagine receiving an (1)from a friend who asks you to open it.This is what happens with Melissa and several other similar email (2).Upon running, such worms usually proceed to send themselves out to email addresses from the victim's address book, previous emails, web pages (3). As administrators seek to block dangerous email attachments through the recognition of well-known (4),virus writers use other extensions to circumvent such protection.Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users. Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which, while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (5)access to your network.
空白(2)处应选择() {{B}}Decling Internet in Developing
Foreign Language Skills{{/B}} Australians’ foreign language skills are declining, Voice of America has reported. New figures show that only 13 percent of high school graduates can speak a foreign language. But four decade ago, 40 percent had foreign language skills. Professor Elise Tipton, from the University of Sydney, says increasingly students do not feel the need to learn another language to boost their career. She believes that Australia’s economic boom, which is driven by red-hot demand for its minerals, is helping mask serious deficiencies (缺陷) in its language skills. Australia does business very successfully in English with most of its trading partners. But as the world’s economic power shifts to emerging regions such as Asia, its language gap could soon be expose A. Improve your relation with your partner B. Help settle international conflicts C. Remove barriers in negotiations D. Increase trading opportunities [单选题]车务应急值守人员(车站值班员)接到调度命令后须向车站有关作业人员传达,传达完毕后在打印的调度命令(调度命令登记簿)上注明传达时间和人员姓名,涉及( )重点掌握的调度命令可打印转交。
A.信号员 B.值班员 C.值班干部 [单选题]高速铁路接触网抢修人员要本着“( )”原则,立即申请要点登乘动车组列车。
A.快速出动、就近上车 B.快速出动、乘坐汽车 C.快速出动、等待上车 D.以上都不对 [单选题]DL/T 860逻辑设备(LD)建模原则中测量LD名应为( )。
A.MEAS B.LD0 C.PROT D.CTRL [填空题]列车在区间装卸车时,列车调度员须向司机发布( )。
[单选题]【单选题】患者再服用甲巯咪唑片时,出现了发热、咽喉痛等感冒症状,应:
A.换用丙硫氧嘧啶 B.服用对乙酰氨基酚 C.换用大剂量碘剂 D.停药,立即就医 [单选题]检充点距列尾主机摘挂地点超过( )时应配备交通工具。
A.a500米 B.b400米 C.c300米 D.d200米 [判断题]基金转换是指投资者不需要先赎回已持有的基金份额,就可以将其持有的基金份额转换为同一基金管理人管理的另一基金份额的一种业务模式。 ( )
[单项选择]《中国小说史略》的作者是()。
A. 鲁迅 B. 袁世硕 C. 冰心 D. 陈独秀 [多项选择]中国出产名玉的地方为( )。
A. 江苏东海 B. 新疆和田 C. 河南南阳 D. 台湾澎湖 E. 辽宁岫岩 [简答题]优质饮用水的标准?
[单选题]在()情况下,可以适当提高或降低送电端母线运行电压来调整受电端母线电压。
A.领导同意; B.上级调度许可; C.确保系统安全的条件; D.任何情况下。 [单项选择]宫底在耻骨联合上2~3横指时,处于
A. 妊娠6周 B. 妊娠8周末 C. 妊娠12周末 D. 妊娠18~20周 E. 妊娠24周末 [单选题]基建项目投资计划下达后,建设单位要立即组织设计单位启动( ),根据项目一级进度计划,编制设计以及设计评审计划,督促设计单位按照设计深度要求及时提交设计报告,及时组织开展设计评审工作,并按照管理权限开展初步设计、施工图设计等申请和批复工作。
A.设计工作 B.设计评审 C.施工计划编制 D.项目建设准备工作 [单选题]施工用电系统接火前,()必须掌握安全用电基本知识和所用设备的性能,必须按规定配备和穿戴相应的劳动防护用品,并应检查电气装置和保护设施,确保设备完好。
A.电焊工 B.施工队长 C.技术员 D.专业电工 E.略 F.略 [单项选择]继电保护的速动性要求是指保护装置应尽可能地()快速切除短路故障。
A. 有选择 B. 快速 C. 灵敏 D. 可靠 [判断题]一个完整的安全体系和安全解决方案是根据网络体系结构和网络安全形势的具体情况来确定的,有通用的安全解决方案。
[单选题]哪项不是无纺布包装性能特点()
A.较棉布好 B.会产生棉尘引起空气污染 C.不易湿包 D.不符合等离子灭菌 E.以上都不正确 [多选题] 冷冻盐水用量超标的原因有( )。
A.水洗水量大 B.回收过滤器堵 C.凝固浴地坑泵堵 D.回浆泵不上量 [单选题]风险控制措施类别不包括()。
A.工程技术措施 B.管理措施 C.群体防护措施 D.培训教育措施 我来回答: 提交
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