【单选题】You'd better take an umbrella with you ______ it rains.
【单选题】听力原文:You'd better take an umbrella with you. Maybe it's going to rain.
【单选题】设有 12 个同类资源可供 4 个进程共享,资源分配情况如下表所示。 进程 已占用资源数 最大需求数 P1 2 4 P2 3 6 P3 4 7 P4 1 4 当进程 P1 , P2 , P3 , P4 又都相继提出申请要求,为使系统不致死锁,应满足 的要求。
【判断题】B2C电子商务是个人对个人的交易,即参与交易双方不是企业,是自然人( )
【单选题】设有12个同类资源可供4个进程共享,资源分配情况如下表所示。 当进程P1,P2,P3,P4又都相继提出申请要求,为使系统不致死锁,应满足( )的要求。
【单选题】听力原文:M: If you really have important things to go out you'd better take an umbrella. W: Thank you? I've got the weather forecast. Q: What is the weather going to be? (3)
【单选题】You'd better take an umbrella rain.
【单选题】It outside. You'd better take an umbrella with you. [ ]
【判断题】B2C电子商务是个人对个人的交易,即参与交易的双方不是企业,而是自然人。
【单选题】听力原文:M: what's the weather like this afternoon? W: Well, You'd better take an umbrella. Q: Is it going to rain in the afternoon? (19)