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【单选题】
由于来自于系统外部或内部的攻击者冒充为网络的合法用户获得访问权限的攻击方法是下列哪一项? ()A.
黑客攻击
B.
社会工程学攻击
C.
操作系统攻击
D.
恶意代码攻击
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反馈参考答案：
举一反三
【简答题】The agency agreement has been drawn ______ for the period of one year.
【单选题】What does the author mean by 'Honeymoon period' in paragraph 3?
A.
A period when one misses his home.
B.
A period when one feels excited about everything in a foreign culture.
C.
A period when one gets acquainted with other people.
D.
A period when one begins to study the foreign language.
【单选题】An occulting light is one in which ______.
A.
the period of darkness exceeds the period of light
B.
there is only a partial eclipse of the light
C.
the periods of light and darkness are equal
D.
the period of light exceeds the period of darkness
【简答题】试回答影响成本的主要因素。
【单选题】滞销书变成畅销书的秘诀 某国一出版公司有一批滞销书久久不能售出。推销人员想出了一个主意,于是给总统送去一本书并征求意见。总统忙于政务便回了 .句“这本书不错”销售人员便大做广告现有总统喜爱的书出售。书即被抢购一空,不久,又有书卖不出去,销售人员又送给总统本,上过当的总统便“回敬”一句“这本书糟透了”,该公司又发出广告:现有总统讨厌的书出售。结果,书又卖完了。第三次,该公司又如法炮制,总统接受教训,...
A.
文化因素
B.
社会因素
C.
个人因素
D.
心理因素
【单选题】What does the author mean by 'Honeymoon period' in paragraph 3?
A.
A period when one misses his home
B.
period when one feels excited about everything in a foreign culture
C.
A period when one gets acquainted with other people
D.
A period when one begins to study the foreign language
【单选题】The period when both inlet valves and exhaust valves are open is referred to as _____.
A.
valve loop
B.
valve uniflow
C.
valve overlap
D.
valve grinding
【单选题】企业的产能与客户需求之间的差异会直接导致效率低下。因此企业的产能计划就要努力使得这种差异最小化。在下列各项产能计划类型中，既能降低生产能力过剩的 风险，也可能导致潜在客户流失的是( )。
A.
人员推销
B.
领先策略
C.
滞后策略
D.
匹配策略
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