Computer virus, whose essential _______ is a set of instructions, is one kind of threat to the security and integrity of compute

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问题 Computer virus, whose essential _______ is a set of instructions, is one kind of threat to the security and integrity of computer system.

选项 A、component
B、composition
C、factor
D、ingredient

答案A

解析计算机病毒主要是由一系列电脑程序组成的，它对计算机系统的安全性和完整性构成威胁。A．component“成分”，表示整体中的某个部分，虽然与其他部分关系密切，但也可以分割并独立成体(如本题)。B．composition指物体固有的不可分割的成分。C．factor“因素”，指任何相互作用而产生某种结果的力量、状况或影响。D．ingredient指混合物中的一部分，多用于食物的构成部分。

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专业英语四级

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Computer virus, whose essential _______ is a set of instructions, is one kind of threat to the security and integrity of compute

专业英语四级

Benjamintoldmehisfatherhaddecidedtosupporthimand______hewouldquittheschooltostarthisbusiness.

WhichofthefollowingsentencesisINCORRECT?

Thefirsttextbook______forteachingEnglishasaforeignlanguagecameoutinthe18thcentury.

Itsexport-ledstrategy,however,hasbeachedthecountry,leavingit______themercyofothers’appetites.

They’veimposedaneconomic______onthecountry.

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U.S.EarlyChildhoodEducationFiftyyearsago,【T1】______attendedearlyeducationprograms.Today,【T2】______thechildrenof

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