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更多“()a vacation is always a good way to get relaxation and refreshment.A、 TakeB、 TookC、 Tak ”相关问题
  • 第1题:

    Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by keeping(67)data from entering or exiting your system.

    Hackers do not just target national security organizations for(68): They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to(69)in the latest denial-of-service attack on the Internet. Now that "always-on" broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data. Firewalls can block(70)attacks and protect your PC from outside threats.

    A.allow

    B.prevent

    C.invite

    D.get


    正确答案:B

  • 第2题:

    According to RFC 2328, what is the stateful order in which an OSPF router transitions to a full adjacency with a neighbor router?()

    A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full

    B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full

    C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full

    D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full

    E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full

    F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full


    参考答案:A

  • 第3题:

    3、下列哪一个表述是正确:

    A.always@(posedge CLK or RST)

    B.always@(posedge CLK or negedge RST or A)

    C.always@(posedge CLK or D or Q)

    D.always@(posedge CLK or negedge RST)


    deductive,guided discovery

  • 第4题:

    Oneofthekeydecisionmakingfactorsinaverycompetitiveopportunitywillbecost. CompanycomneedsanaggregaterPerfratingof120.Whatisthebestsolution?()

    A.Twop557016way1.9MHzmachines

    B.Onep559032way1.65MHzmachines

    C.Onep559532way1.65MHzmachines

    D.Twop557016way1.65MHzmachines


    参考答案:D

  • 第5题:

    13.

    A.played

    B.took

    C.wanted

    D.spent


    正确答案:D
    13.D【解析】表示“度假”要用动词spend。