贴现法是指银行向企业发放贷款时,先()而到期时借款企业全部本金的一种计息法。
A.在本金中附加利息
B.扣除等额本金
C.扣除等额本息之和
D.从本金中扣除利息
参考答案:D
某宽厚板车间冷床区为三跨等高厂房,跨度均为35m:边列柱柱间距为10m,中列柱柱间距为20m,局部60m:采用三跨连续式焊接工字形屋面梁,其间距为10m,屋面梁与钢柱为固接。厂房屋面采用彩色压型钢板,屋面坡度为1/20:檩条采用多跨连续式H型钢檩条,其间距为5m:檩条与屋面梁搭接。屋面梁、檩条及屋面上弦水平支撑的局部布置示意如题图中的(a)图所示,且系杆仅与檩条相连。
中列柱柱顶设置有20m和60m跨度的托架,托架与钢柱采用铰接连接,托架的简图和荷载设计值如题图中的(b)和(c)图所示。屋面梁支承在托架竖杆的侧面,且屋面梁的顶面略高于托架顶面约150mm。
檩条、屋面梁、20m跨度托架采用Q235B钢,60m跨度托架采用Q345B钢。手工焊接时,分别采用E43型焊条和E50型焊条,要求焊缝质量等级为二级。
20m跨度托架杆件采用轧制T型钢,T型钢的翼缘板与托架平面相垂直。60m跨度托架杆件采用轧制H型钢,H型钢的腹板与托架平面相垂直。
60m跨度托架腹杆V2的轴心压力设计值N=1855kN,拟采用热轧H型钢H390×300×10×16,ix=169mm,iy=72.6mm,A=13670mm2。当按轴心受压构件进行稳定性计算时,杆件的最大压应力(N/mm2)与下列()项数值最为接近。
A.162
B.194
C.253
D.303
阅读下面的短文,然后按照要求写一篇150左右的英语短文。
With the development of information industry,our personal information has become more easily exposed in public.As some celebrities are worried about their telephone number,ID number and home address being put on the internet,ordinary people like us can’t escape from the doom either.
A recent report from Xinhua reveals over twenty telephone-salespeople have been caught cheating customers by revealing their private information to local community of Beijing.
The report says the salespeople would call their potential customers trying to earn their trust by correctly revealing their personal information such as their name,telephone number,home address and even previous purchases.
They would then try to persuade the customer to buy a gold cellphone by mail. If the customer became suspicious,they would use another person’s identity to prove their authenticity.
[写作内容]
你在某英文报刊看到这则报导后,准备就我们学生该如何在网络保护私人信息、以 “How can we keep our personal information off the Internet?”为题目写一篇文章给该报编辑部。
[内容要点包括]
1.以约30词简要概括新闻内容;
2.然后以约120词谈谈你的观点,内容包括:
(1)在信息时代,想让个人信息完全与世隔绝是不可能的,但可尽量减少;
(2)你为解决信息泄露所采取的一些措施:
A.到有安全保障的网站买东西;
B.只向能确保你个人信息安全的网站提供个人信息;
C.其它一些你认为有效的措施.
[写作要求]
1. 可以使用实例或其他论述方法支持你的论点,也可以参照阅读材料的内容,但不得直接引用原文中的句子;
2. 作文中不能出现真实姓名和学校名称。
[评分标准] 概括准确,语言规范,内容合适,篇章连贯