She racked her brain trying to __________ the math problem.A.work upB.work outC.work downD.work off

题目
She racked her brain trying to __________ the math problem.

A.work up

B.work out

C.work down

D.work off


相似考题
更多“She racked her brain trying to __________ the math problem. ”相关问题
  • 第1题:

    Whichmethodisanappropriatewaytodeterminethecosineof42degrees?()

    A.Doubled=Math.cos(42);

    B.Doubled=Math.cosine(42);

    C.Doubled=Math.cos(Math.toRadians(42));

    D.Doubled=Math.cos(Math.toDegrees(42));

    E.Doubled=Math.cosine(Math.toRadians(42));


    参考答案:C

  • 第2题:

    10.1 have a good friend.______ name is Jane._____ is thirteen.

    A. Her ; Her

    B. She's; She

    C. Her;She

    D. She;She


    正确答案:C
    10.C【解析】本题既考查人称的一致性,又考查物主代词和人称代词的区别.

  • 第3题:

    Linda has a good faculty for reasoning.

    A:capacity
    B:method
    C:mind
    D:brain

    答案:A
    解析:
    本句意思:“琳达的推理能力很强。”faculty:能力。capacity:才能。例如: Women's mental capacity can be as remarkable as men's.女人的才智可以和男人的一样好。 method:方法。例如:This teaching method is not appropriate to apply to Chinese students.这个教学法并不适用于中国学生。mind:思维,头脑。例如:I'm trying to put my concerns to the back of my mind.我试图把心中的担忧抛诸脑后。brain:大脑。例如:Doctors are cautious with the use of the drug which may cause permanent brain damage.医生对于这种药的使用很谨慎,因为它也许会造成对大脑永久性的伤害。

  • 第4题:

    6.______ Jenny._______name is Tom.

    A.I'm;My

    B.Her;My

    C.I'm;His

    D.She's;Her


    正确答案:C
    6.C[解析】第一个空从语法上看,A、C、D都是正确的,第二个空需要用形容词性物主代词,Tom是男名,因此应该用形容词性物主代词his,选择C。

  • 第5题:

    You should take into consideration the fact that we have been very busy recently.

    A:thought
    B:account
    C:mind
    D:brain

    答案:B
    解析:

  • 第6题:

    She′s such an irritating woman,and I don′t know how you can__________her.

    A.put up
    B.put up with
    C.stand up with
    D.stand with

    答案:B
    解析:
    考查词组辨析。句意为:“她是一个爱发脾气的人,我不知道你是怎么容忍她的。”故选B项。Put?up with“容忍”;stand“容忍”。