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[ 所有信息 ][ 单选题 ] 列表
  • 判断AB、BC、CD线段与投影面的相对位置关系,并选择正确的答案( )。
  • 在纯电容电路中, 没有能量消耗, 只有能量( )。
  • 对称三相电路中,三相瞬时电动势的代数和为( )。(e为一相的电动势)
  • 条形磁铁中,磁性最强的部位在( )。
  • 下列程序运行时如果从键盘输入“7 9 8”,则运行结果是_________。
    int main( )
    {
    int a,b,c,x,y;
    scanf(""%d%d%d"", &a,&b,&c);
    if(a>b) {x=a;y=b;}
    else {x=b; y=a; }
    if( x<c ) x=c;
    if( y>c ) y=c;
    printf(""x=%d,y=%d\n"", x,y);
    return 0;
    }
  • C语言的函数中,下列正确的说法是( )。
  • —I think you should eat less and exercise more if you want to lose weight.
    —____
  • The old man prefers to live _____ the climate is mild.
  • A new park. _____ nearby to improve the people's living condition in the future.
  • — Must I finish reading the book today, Mr. Brown? — No, you _____. You can finish it in two days.
  • “Reading Pavilion”, which entered Luhe Library this spring, has madeit _____ for the citizensto experience the pleasure of reading than before.!
  • — Would you like some _____ ? — Thank you, but Iam not hungry.
  • He served in the army in _____ , when he was in his twenties.
  • I will go with you as soon as I _____ my homework.
  • 下列关于C语言说法中错误的是( )。
  • 在画三视图时,可见的轮廓线用粗实线表示,看不见的轮廓线用( )线表示 ,对称中心线用( )表示。①细实 ②细虚 ③细点划;正确答案( )
  • 四个电阻器R1、R2、R3、R4依次串联,其两端的电压分别为U1、U2、U3、U4。已知:R2 = R4 ,且U1+U2=4V,U2+U3=6V。则这四个电阻两端总电压为
  • 当负载开路时,则下哪一个式子成立( )。
  • 阻值不随外加电压或电流的大小而改变的电阻叫( )。
  • 绘制指示看图方向的方向符号时应采用( )。