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【简答题】
The computer virus is an outcome of the computer overgrowth in the 1980s. The cause of this term is the likeness between the biological virus and the evil program infected with computers. The origin of this term came an American science fiction 'The Adolescence of P-1' written 【S1】______ by Thomas J. Ryan published in 1977. Human viruses invade a living cell and turn them into a factory for manufacturing viruses. 【S2】______ Therefore, computer viruses are small programs. They replicate by attaching 【S3】______ a copy of themselves to another program. Once attached by host program, the viruses then look for other programs 【S4】______ to' infect'. In this way, the virus can spread quickly throughout a hard disk or an entire organization. At some points, the situation will be 【S5】______ totally determined by how the virus was programmed. The timing of the attack can be linked to a number of situations, included a certain time 【S6】______ or date, the presence of a particular file, the security privilege level of the user and the number of times a file is used. So-called' benign' viruses might simply display a message, like the one that infected IBM's main computer system last Christmas with a season's greeting. Malignant viruses are designed to damage the system. The attack is to wiping 【S7】______ out data, to delete files or to format the hard disk. There are two main types of viruses: shell and intrusive system. Shell viruses wrap themselves around a host program and don't modify the original program. Shell programs are easy to write, that is why about 【S8】______ half of viruses are of this type. Intrusive viruses invade an existing program and actual insert a portion of themselves into the host program. 【S9】______ Intrusive viruses are hard to write and very difficult to remove with 【S10】______ damaging the host file. 【S1】
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举一反三
【判断题】按照被装卸物的主要形式分类,可分为连续装卸和间歇装卸。
A.
正确
B.
错误
【单选题】甲家具厂与乙木材公司签订一份长期供货合同,合同约定:
A.
第 12 题 甲家具厂与乙木材公司签订一份长期供货合同,合同约定:甲家具厂以自有的加工设备作为货款的抵押物,担保金额最高为50万元。在合同期限内,乙木材公司总计供货10次,货款总额为80万元;甲家具厂总计支付货款20万元,其余60万元无力偿还。乙木材公司享有优先受偿的数额是(  )。 A.20万元
B.
30万元
C.
50万元
D.
60万元
【简答题】根据一定时期内反映相同经济业务的多张原始凭证,按一定标准经综合后一次填制完成的原始凭证是( )。
【简答题】根据一定时期内反映相同经济业务的多张原始凭证,按一定标准经综合后一次填制完成的原始凭证是( )。
【多选题】学校社会工作如何指导学生选择适宜的生活方式?( )
A.
丰富学生的生活,使学生的生活多样化,让学生充分发挥个人的特长和爱好,提供丰富的生活知识,以提高学生的生活质量,使他们更充实,生活更富有情趣
B.
帮助学生提高学习能力,掌握新的学习方法,促使其创造性地独立学习能力的形成和提高
C.
帮助学生明确生活的目的,树立正确的价值观、人生观
D.
培养学生成为合格的社会成员,帮助其明确作为社会成员的权利与义务,培养其社会责任感,教育引导学生解决好角色冲突问题,并帮助学生了解社会角色行为规范
E.
培养和锻炼学生的生活技能,包括生活必需的劳动技能、吃喝穿戴的技能、卫生保健的技能、人际交往的技能、处理突发事件的技能、对付意外事故的技能等
【判断题】按照被装卸物的主要形式分类,可分为连续装卸和间歇装卸。
A.
正确
B.
错误
【判断题】在通过能力一定的条件下,决定输送能力的因素是列车编组辆数和车辆载客数。
A.
正确
B.
错误
【判断题】信息组织实质上就是信息的整序。
A.
正确
B.
错误
【判断题】双向三级六场纵列式编组站适应上、下行改编车流量比较均衡,而折角改编车流量比重不大于25%的情况。
A.
正确
B.
错误
【多选题】能指导人们正确发挥意识能动性的选项有
A.
不怕做不到,就怕想不到
B.
有条件要上,没条件也要上
C.
尊重客观规律,按规律办事
D.
从实际出发,制定工作计划
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