What kind of things does a hacker do? In what ways are hackers harmful to the network security?

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问题 What kind of things does a hacker do? In what ways are hackers harmful to the network security?

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答案Hackers break into telephone company computers and make free, long-distance telephone calls, and once experienced ones can invade computers at banks, airlines and other businesses to steal or alter the stored information. This can cause serious problems to both the government and the public.

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What kind of things does a hacker do? In what ways are hackers harmful to the network security?

英语阅读（一）

文史类

下列词语中，具有书面语体色彩的是()

JoyceCarolOatespublishedherfirstcollectionofshortstories,BytheNorthGate,in1963,twoyearsaftershehadreceived

Regularinteractionorfamiliarityseemstoincreaseliking;often,thepeopleweinteractwiththemostaresimplythosewhoar

(63)Iflanguagewerefornothingbutthecommunicationofwarningsandweatherreports,anartificialinternationallanguagewo

Thegreatpoweroftornadoesisalmostunbelievable.Thespeedofthiswhirlingfunnelshapedwindmaybemorethan500milespe

Authorityeasefromunfamiliarrefercumbersomeforthimproveexcludecomplicateupknowledge

Allofushavereadthrillingstoriesinwhichtheherohadonlyalimitedandspecifiedtimetolive.【C1】______.Butalwayswe

WhenweaccepttheevidenceofourunaidedeyesanddescribetheSunasayellowstar,wehavesummedupthemostimportantsing

Intheolddays,whenaglimpseofstockingswaslookeduponassomethingfartooshockingtodistracttheseriousworkofanof

Ifheopenedtheotherdoor,aladycameout.(63)Thekingalwayschosetheladieshimself.(64)Hemadesurethateachwasof

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催化以RNA为模板合成DNA的酶是（　　）。