The following diagram denotes dependency between two activities A and B,It says（）A.B can’t start before A is finishedB.B can’t finish before A is finishedC.B can’t start before A startsD.B can’t finish before A starts

题目

The following diagram denotes dependency between two activities A and B,It says（）

A.B can’t start before A is finished

B.B can’t finish before A is finished

C.B can’t start before A starts

D.B can’t finish before A starts

相似考题

1.The basic terminology for networks includes:A.Activities, events, manpower, skill levels and slack.B.Activities, documentation, events, manpower and skill levels.C.Slack, activities, events, and time estimates.D.Time estimates, slack, sponsorship involvement, and activities.E.Time estimates, slack time, report writing, life cycle phases, and crashing times.

2.“Must I finish my homework now?” “No, you() . But you() finish it this evening. ”A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must

3.A: _____you watch television last night?B： No, I didn't.A. DoB. DidC. Can

4.113 The basic terminology for networks includes:A. Activities, events, manpower, skill levels and slack.B. Activities, documentation, events, manpower and skill levels.C. Slack, activities, events, and time estimates.D. Time estimates, slack, sponsorship involvement, and activities.E. Time estimates, slack time, report writing, life cycle phases, and crashing times

更多“The following diagram denotes dependency between two activities A and B,It says()A.B can’t ”相关问题

  • 第1题：

    You’re going to have a quiz ( )by another two in the ( )month.

    A. followed,followed

    B. followed,following

    C. following,followed

    D. following,following


    参考答案：B

  • 第2题：

    A、may not

    B、can’t

    C、might not

    D、mayn’t


    正确答案：B

  • 第3题：

    —_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month.

    A.Must; needn’t

    B.Can; can’t

    C.May; mustn’t

    D.Can; mustn’t


    答案：A

  • 第4题：

    The price you quoted is so high that we () help ()this transaction.

    A、can…to cancel

    B、can't...canceling

    C、can…canceling

    D、can't…to cancel


    参考答案：B

  • 第5题：

    classParent{Stringone,two;

    classParent{

    Stringone，two；

    publicParent（Stringa，Stringb）{

    one=a；

    two=b；}

    publicvoidprint（）{System.out.println（one）；}}

    publicclassChildextendsParent{

    publicChild（Stringa，Stringb）{

    super（a，b）；

    }

    publicvoidprint（）{

    System.out.println（one+"to"+two）；

    }

    publicstaticvoidmain（Stringarg[]）{

    Parentp=newParent（"south"，"north"）；

    Parentt=newChild（"east"，"west"）；

    p.print（）；

    t.print（）；

    }

    }

    Whichofthefollowingiscorrect？（）


    参考答案：E
    这个题目涉及继承时的多态性问题，在前面的问题中已经有讲述，要注意的是语句t.print();在运行时t实际指向的是一个Child对象，即java在运行时决定变量的实际类型，而在编译时t是一个Parent对象，因此，如果子类Child中有父类中没有的方法，例如printAll()，那么不能使用t.printAll()。

  • 第6题：

    ---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.

    --- - No, it ________ be him. He is holding a meeting in the office now.

    A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t


    正确答案：A

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