(9分)一定质量的理想气体,其状态变化图如右箭头顺序所示,AB平行于纵轴,BC平

题型:计算题

问题:

(9分)一定质量的理想气体,其状态变化图如右箭头顺序所示,AB平行于纵轴,BC平行于横轴,CA段是以纵轴和横轴为渐近线的双曲线的一部分,且已知A状态的压强和体积分别为P0、V0、T0,且PA=3PB,试求气体在B状态的温度和C状态的体积。  

考点:熵增加原理
题型:计算题

有权机构冻结客户账户50000元而客户账户现有5000元,冻结方式选择()。

A.全部

B.部分

C.单向

题型:计算题

读句子,选择适当应答语。

1.Sally, how do you get on with your new neighbor?

A. Very well!

B. Don't panic.

C. What a pity!

2. Would you like to drink some tea?

A. Thank yo u.

B. No,please.

C. I'd love to,but I had a lot of coffee just now.

3.How was your trip,Mary?

A. Enjoy yourselves!

B. Thank you!

C. That was fantastic!

4.Don't forget to turn off the lights before you leave the room.

A. I won't.

B. I will.

C. Thanks.

5.If you need help,you can ask Project Hope.

A.

B.

C.

题型:计算题

女性,24岁,因有机磷中毒经过阿托品及氯解磷定治疗后6小时,出现躁动不安,发热,皮肤干燥、潮红。查体:T39.2℃,心率110次/分,精神错乱呈谵妄状态,双侧瞳孔直径约4mm。最可能是()

A.急性阿托品中毒

B.急性氯解磷定中毒

C.急性有机磷中毒反跳

D.急性中间综合征

E.急性有机磷中毒性脑病

题型:计算题

有以下程序:
#include<stdio.h>
main()
FILE * fp; int i, a[6]=1, 2, 3, 4, 5, 6;
fp=fopen("d3. dat", "w+b");
fwrite(a, sizeof(int), 6, fp);
fseek(fp, sizeof(int) *3, SEEK_SEr); /*该语句使渎文件的位置指针从文件头向后移动3个int型数据*/
Fread(a, sizeof(int), 3, fp); fclose(fp);
for(i=0; i<6; i++)printf("%d, ", a[i]);

程序运行后的输出结果是

A) 4, 5, 6, 4, 5, 6, B) 1, 2, 3, 4, 5, 6, C) 4, 5, 6, 1, 2, 3, D) 6, 5, 4, 3, 2, 1,

题型:计算题

标准孔板的开孔直径d是一个重要尺寸,应该进行实测;实测时,至少要测4个直径,要求任一单测值与平均值之差不得超过()

A.0.05%

B.0.10%

C.0.15%

D.0.20%

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