– What a poor job I’ve done! –()(A) Do it again.(B) You can do it.(C) Do your best next time!(D) Don’t be upset. No one can do it better than you.

题目
– What a poor job I’ve done! –()

(A) Do it again.

(B) You can do it.

(C) Do your best next time!

(D) Don’t be upset. No one can do it better than you.

相似考题

1.Martin: Can you cover for me on Sunday? I'm supposed to teach the high school class. Lisa: Sure. ______ ? Martin: We're going to the beach for the weekend. Lisa: Well, don't worry. I'll take good care of Sunday school.A．What's inB．What's the thingC．What's upD．What's down

2.一____________?一I'm a journalist.A. What's your nameB. What's your jobC. Where are you from

3.--- ___________?--- I’m a journalist.A. What’s your nameB. What’s your jobC. Where are you from

4.乳牙萌出的顺序为A．I→Ⅱ→Ⅳ→Ⅲ→VB．I→Ⅱ→Ⅲ→]V→VC．I→Ⅲ→Ⅱ→Ⅳ→VD．Ⅱ→I→Ⅲ→Ⅳ→VE．Ⅱ→I→Ⅳ→Ⅲ→V

参考答案和解析
正确答案：D 
解答参考：D 选项AC使上下文意思无法衔接，选项C含批评意。  
更多“– What a poor job I’ve done! –() ”相关问题

  • 第1题：

    － What’s the purpose of your visit today －()

    A、Uh, I’m not sure.

    B、I’m intending to ask for your advice on brand design.

    C、Yes, I’d like to talk with you.


    参考答案：B

  • 第2题：

    I've _____ these lines again and again but I still keep forgetting them.

    A. gone off

    B. gone about

    C. gone over

    D. gone through


    正确答案：C

  • 第3题：

    哪些句子回答How’s it going? ／What’s up?／What’s happening? ()

    A、I'm fine, thank you.

    B、Nothing much.

    C、I've been fine, thank you.

    D、Same as usual.


    参考答案：BD

  • 第4题：

    –– Robert: I’m going to the cinema this evening.

    –– Bill: ____

    –– Robert: It ’s a Western “Cowboy Comes Home ”.

    A: What’s on?

    B: What’s in?

    C: What is acted?

    D: What is perform?


    参考答案：A

  • 第5题：

    What's ( )job? Are ( ) British?

    A. your, your

    B. you, your

    C. your, you


    正确答案：C

  • 第6题：

    B 宽度优先（种子染色法）

    5．关键路径

    几个定义： 顶点1为源点，n为汇点。

    a. 顶点事件最早发生时间Ve[j], Ve [j] = max{ Ve [j] + w[I,j] },其中Ve (1) = 0;

    b. 顶点事件最晚发生时间 Vl[j], Vl [j] = min{ Vl[j] – w[I,j] },其中 Vl(n) = Ve(n);

    c. 边活动最早开始时间 Ee[I], 若边I由<j,k>表示，则Ee[I] = Ve[j];

    d. 边活动最晚开始时间 El[I], 若边I由<j,k>表示，则El[I] = Vl[k] – w[j,k];

    若 Ee[j] = El[j] ，则活动j为关键活动，由关键活动组成的路径为关键路径。

    求解方法：

    a. 从源点起topsort,判断是否有回路并计算Ve;


    正确答案：

     

     

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