• 2022-06-05 问题

    如图所示,结构上作用两个力偶矩均为m、转向相反的力偶,则A支座的约束反力应为______ A: XA=0,YA=0 B: XA≠0,YA=0 C: XA=0,YA≠0 D: XA≠0,YA≠0

    如图所示,结构上作用两个力偶矩均为m、转向相反的力偶,则A支座的约束反力应为______ A: XA=0,YA=0 B: XA≠0,YA=0 C: XA=0,YA≠0 D: XA≠0,YA≠0

  • 2022-06-28 问题

     当n=3时,l取值范围正确的是: 未知类型:{'options': ['\xa02,1 ,0', '\xa04,3,2', '\xa03,2,1', '\xa01,0,-1'], 'type': 102}

     当n=3时,l取值范围正确的是: 未知类型:{'options': ['\xa02,1 ,0', '\xa04,3,2', '\xa03,2,1', '\xa01,0,-1'], 'type': 102}

  • 2022-06-17 问题

    图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,mA=Pa D: XA=P,YA=0,mA=Pa

    图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,mA=Pa D: XA=P,YA=0,mA=Pa

  • 2022-06-03 问题

    A change in the natural rate of unemployment will most likely shift: A: the short-run but not the long-run Phillips curves. B: both the short-run and the long-run Phillips curves. C: neither the short-run nor the long-run Phillips curves.

    A change in the natural rate of unemployment will most likely shift: A: the short-run but not the long-run Phillips curves. B: both the short-run and the long-run Phillips curves. C: neither the short-run nor the long-run Phillips curves.

  • 2022-05-31 问题

    有如下程序: #include<iostream> using namespace std; class XA int a; public: static int b; XA(int aa):a(aa)b++; ~XA() int get()return a; ; int XA::b=0 int main() XA d1(1),d2(3); cout<<d1.get()+d2.get()+XA::b<<end1; return 0; 运行时的输出结果是( )。 A: 5 B: 6 C: 7 D: 8

    有如下程序: #include<iostream> using namespace std; class XA int a; public: static int b; XA(int aa):a(aa)b++; ~XA() int get()return a; ; int XA::b=0 int main() XA d1(1),d2(3); cout<<d1.get()+d2.get()+XA::b<<end1; return 0; 运行时的输出结果是( )。 A: 5 B: 6 C: 7 D: 8

  • 2022-06-17 问题

    图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,YA=0,mA=Pa

    图示ABC杆,固定端A的反力是()。 A: XA=P,YA=0 B: YA=P,mA=Pa C: XA=P,YA=0,mA=Pa

  • 2021-04-14 问题

    What will the Phillips have on Christmas?

    What will the Phillips have on Christmas?

  • 2022-06-06 问题

    6. Which one of the following statements is False? A: Priscilla Phillips would like to pay by credit card. B: Priscilla Phillips wants to order something from the latest catalogue. C: Priscilla Phillips’ address is 39 St. Andrews Road, Party, New York D: Priscilla Phillips is entitled to a free wright’s diary.

    6. Which one of the following statements is False? A: Priscilla Phillips would like to pay by credit card. B: Priscilla Phillips wants to order something from the latest catalogue. C: Priscilla Phillips’ address is 39 St. Andrews Road, Party, New York D: Priscilla Phillips is entitled to a free wright’s diary.

  • 2022-10-25 问题

    在相同温度下,有较高蒸气压的易挥发组分A在液相中的浓度为xA,在气相中的浓度为yA,则有() A: xA > yA B: xA C: xA = yA D: yA = 0

    在相同温度下,有较高蒸气压的易挥发组分A在液相中的浓度为xA,在气相中的浓度为yA,则有() A: xA > yA B: xA C: xA = yA D: yA = 0

  • 2022-06-08 问题

    Mr. Phillips had coffee in his own office.

    Mr. Phillips had coffee in his own office.

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