硫化矿的细菌浸出是一个复杂的过程，至少包含（）几种过程。A.硫化矿的氧化 B.Fe（II）的氧化 C.游离态硫及其它硫的 .. 十点题库

下列不属于河南省文化遗址的是（）。

A.龙山文化遗址B.大河村文化遗址C.裴李岗文化遗址D.仰韶文化遗址

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项目施工技术风险应由承包商承担，是建设工程风险对策中的( )的具体运用。

A．风险回避
B．风险自留
C．损失控制
D．风险转移

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普瑞巴林的起始服用剂量即为有效剂量。

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已知A＝，则A的解空间的规范正交基是_______．

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猿形手见于（）

A.尺神经损伤 B.正中神经损伤 C.桡神经损伤 D.前臂屈肌群缺血性坏死 E.前臂伸肌群缺血坏死

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施工单位对工程资料的管理职责（）。

A、负责施工资料的管理工作
B、负责分包单位的施工资料收集、整理、汇总
C、负责监理资料的收集、整理
D、竣工验收前，负责施工资料整理、汇总和立卷
E、负责建设.料的收集、整理

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阅读以下函数说明和C语言函数，将应填入（n)处的字句写在对应栏内。【说明】编写程序，对于从键盘输入

阅读以下函数说明和C语言函数，将应填入(n)处的字句写在对应栏内。【说明】编写程序，对于从键盘输入的3个实数a、b、c，计算实系数一元二次方程的根并输出所求的根。【函数】include＜sldio.h＞include＜sldlib.h＞include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

【说明】编写程序，对于从键盘输入的3个实数a、b、c，计算实系数一元二次方程的根并输出所求的根。【函数】include＜sldio.h＞include＜sldlib.h＞include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

编写程序，对于从键盘输入的3个实数a、b、c，计算实系数一元二次方程的根并输出所求的根。【函数】include＜sldio.h＞include＜sldlib.h＞include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

【函数】include＜sldio.h＞include＜sldlib.h＞include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

include＜sldio.h＞include＜sldlib.h＞include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

include＜sldlib.h＞include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

include＜math.h＞Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

Main(){float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

{float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

float a,b,c,delta,x1,x2;printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

printf("Enter a,b,c");scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

scanf("%f%f%f",&a,&b,&c));if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

if((1))if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

if((2))printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

printf("Input error!\n");elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

elseprintf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

printf("The single root is%f\n",(3));else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

else{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

{delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

delta=b*b-4*a*c;if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

if((4)){x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

{x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

x1=(-b+sqrt(delta))/(2*a);x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

x2=(-b-sqrt(delta))/(2*a);printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

printf("x1=%8.2f\nx2=%8.2f\n",x1,x2,);}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

}else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

else if(delta==0)printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

printf("x1=x2=%8.2f\n",(5);else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

else{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

{Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

Printf("z2=%8.2f+%8.2f*i\n",-b/(2*a),sqrt(-delta)/)(2*abs(a)));Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

Printf("z2=%8.2f-%8.2f*i\n",-b/(2*a),sqrt(-delta)/(2*abs(a)));}}}

}}}

}}

}

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外源性致热原的特点，正确的是A.分子量较小B.其致热原性可被蛋白酶类所破坏C.能激活血液中的中性

外源性致热原的特点，正确的是 A.分子量较小 B.其致热原性可被蛋白酶类所破坏 C.能激活血液中的中性粒细胞和单核细胞 D.直接作用亍体温调节中枢 E.在体内最终由肝、肾灭活和排泄

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采用直流双臂电桥测量小电阻时，被测电阻的电流端钮应接在电位端钮的（）

A.并联
B.内侧
C.外侧
D.内侧或外侧

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雷击在架空线路、金属管道上会产生冲击电压,传播速度分别为( )。

A.0.15m/s,0.3m/sB.0.15m/s,0.4m/sC.0.16m/s,0.3m/sD.0.16m/s,0.4m/s

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变压器带（)负荷时电压最高。

A.容性B.感性C.阻性D.线性

B.感性C.阻性D.线性

C.阻性D.线性

D.线性

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本量利分析的基本假设主要包括（）。

A.相关范围假设 B.模型线性假设 C.产销平衡假设 D.品种结构不变假设

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外国货币作为外汇的前提是（）。

A.可偿性
B.可接受性
C.可转让性
D.可兑换性
E.一致性

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2.高坠损伤主要具有以下那些特点

A. 体表损伤较轻、内部损伤重B. 损伤广泛、多发骨折、内脏破裂C. 损伤多由一次性暴力形成D. 损伤分布有一定的特征性E. 损伤严重程度非人力所能及

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现金流量的计算与常规会计的方法不同，其特点是既计算现金收支，也计算非现金收支。

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