• 高等教育模拟电子技术教案

    本课程的性质 电类专业必不可少的专业基础课。(电路基础、模拟电子技术、数字电子技术、高频电路、信号与系统) 课程特点  技术性课程,偏重工程应用,纯理论性的问题很少研究;  实践性强, 以工程实践的观点进行电子电路的分析和计算。 教学目标 能够对一般性的、常用的电子电路进行分析和计算,具有较强的读图能力和简单电子电路设计的能力。 授课内容:  半导体器件的基本知识;  以半导体器件为核心组成的各种分立元件电子电路的工作原理、特点和基本分析方法,以及由分立元件构成的简单电子电路的设计方法;  模拟集成电路分析与应用方法,以及由它构成的简单电子电路的设计方法 第一章 半导体器件 第二章 放大电路的基本原理 第三章 放大电路的频率响应 第四章 集成运算放大电路 第五章 放大电路中的反馈 第六章 模拟信号运算电路 第七章 信号处理电路 第八章 波形发生电路 第九章 功率放大电路 直流电源 本课程的教学理论知识目标是:    1、常用电子元器件的工作原理及应用。    2、放大电路的静态及动态分析与设计方法。    3、集成运算放大器原理及其应用。    4、负反馈的分析及作用。    5、直流电源的工作原理、分析及设计。    6、信号产生与变换电路的工作原理分析。

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  • asp,net个人主页(lwj)

    都是自己学习的劳动成果,方便初学者学习交流,欢迎提宝贵意见。

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  • html标签讲义(Word+ppt)

    搜集的,html语言标签详细介绍。 目录 第一部分 HTML基础 1 一、关于HTML(Hypertext Markup language): 2 二、HTML文档编写方法 2 手工直接编写: 2 使用可视化HTML编辑器: 2 由WEB服务器上的程序(ASP,PHP,JSP)动态的生成。 2 三、HTML语法 2 1、双标记:必须成对出现。 3 2、单标记:只需单独使用。单标记都是进行一些特定的操作。 3 3、标记属性:属性在双标记的开始标记或单标记的尖括号内中指定。 3 第二部分 页面格式标记 8 一、字符格式 8 二、段落格式 12 三、列表格式 16 四、其他标记 19 第三部分 图像与超链接标记 22 第四部分 网页布局 30 一、表格标记 31 ★按行分组: 列的属性控制:

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  • asp.net在线考试系统

    在线考试系统 <%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat ="server" > Sub submit_click(ByVal sender As Object, ByVal e As EventArgs) Dim grade As Integer '单选 If RadioButtonList1.SelectedIndex = "2" Then grade = grade + 10 Else a.Visible = True Image1.Visible = True End If If RadioButtonList2.SelectedIndex = "2" Then grade = grade + 10 Else b.Visible = True Image2.Visible = True End If If RadioButtonList3.SelectedIndex = "2" Then grade = grade + 10 Else c.Visible = True Image3.Visible = True End If If RadioButtonList4.SelectedIndex = "2" Then grade = grade + 10 Else d.Visible = True Image4.Visible = True End If If RadioButtonList5.SelectedIndex = "2" Then grade = grade + 10 Else f.Visible = True Image5.Visible = True End If '多选 If CheckBoxList1.Items(0).Selected = False And CheckBoxList1.Items(1).Selected = True And CheckBoxList1.Items(2).Selected = True And CheckBoxList1.Items(3).Selected = True Then grade = grade + 10 Else g.Visible = True Image6.Visible = True End If If CheckBoxList2.Items(0).Selected = False And CheckBoxList2.Items(1).Selected = False And CheckBoxList2.Items(2).Selected = True And CheckBoxList2.Items(3).Selected = False And CheckBoxList2.Items(4).Selected = True And CheckBoxList2.Items(5).Selected = True And CheckBoxList2.Items(6).Selected = True Then grade = grade + 10 Else h.Visible = True Image7.Visible = True End If If CheckBoxList3.Items(0).Selected = True And CheckBoxList3.Items(1).Selected = True And CheckBoxList3.Items(2).Selected = True And CheckBoxList3.Items(3).Selected = False Then grade = grade + 10 Else i.Visible = True Image8.Visible = True End If If CheckBoxList4.Items(0).Selected = True And CheckBoxList4.Items(1).Selected = True And CheckBoxList4.Items(2).Selected = False And CheckBoxList4.Items(3).Selected = True And CheckBoxList4.Items(4).Selected = True Then grade = grade + 10 Else j.Visible = True Image9.Visible = True End If If CheckBoxList5.Items(0).Selected = True And CheckBoxList5.Items(1).Selected = True And CheckBoxList5.Items(2).Selected = False And CheckBoxList5.Items(3).Selected = True Then grade = grade + 10 Else k.Visible = True Image10.Visible = True End If Dim objLabel As New Label objLabel.ID = "message" objLabel.Text = "您的得分为:" & grade & "分 !" '动态产生控件的应用样式的改变? 'objLabel.Style = "background-color:#ffffff;border-width:1;border-style:solid" Page.Controls.Add(objLabel) If grade = 100 Then MsgBox("哦啊!您真了不起,得了满分耶!", 1, "恭喜( ^_^ )") End If submit.Enabled = False reset.Enabled = False End Sub Sub reset_click(ByVal sender As Object, ByVal e As EventArgs) End Sub </script> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>在线考试</title> </head> <body style="background-attachment: scroll; background-image: url(images/bg.jpg); background-repeat: repeat;" leftmargin = "60" > <h2 align ="center" >在线考试</h2> <form id="form1" runat="server"> 一、单选(每小题十分,共50分) <br /> <br /> <strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif';">1、</span> <span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif'; ">Do you have a preference _____ a particular food?<asp:Image ID="Image1" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /></span></strong> &nbsp;&nbsp; &nbsp; <asp:RadioButtonList ID="RadioButtonList1" runat="server"> <asp:ListItem>A.with</asp:ListItem> <asp:ListItem>B.at</asp:ListItem> <asp:ListItem>C.for</asp:ListItem> <asp:ListItem>D.in</asp:ListItem> </asp:RadioButtonList><br /> <div id = "a" visible = "false" style ="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server" > <strong><span style="font-size: 12pt">正确答案为:C</span></strong></div> <strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif';">2、</span> <span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif'; ">By now most freshmen have grown so used to university life that they have forgotten all those ______ about the university they originally had.</span></strong> <asp:Image ID="Image2" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /> <asp:RadioButtonList ID="RadioButtonList2" runat="server"> <asp:ListItem>A.concerns</asp:ListItem> <asp:ListItem>B.worry</asp:ListItem> <asp:ListItem>C.dreams</asp:ListItem> <asp:ListItem>D.ambition</asp:ListItem> </asp:RadioButtonList><br /> <div id = "b" visible ="false" style ="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:C</strong></span></div> <strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif';">3、</span> <span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif'; ">Many people want to buy it because,____ , the price is reasonable; ____ , it's rather durable.</span></strong>&nbsp; <asp:Image ID="Image3" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /> <asp:RadioButtonList ID="RadioButtonList3" runat="server"> <asp:ListItem>A.on one side, on the other side</asp:ListItem> <asp:ListItem>B.for one thing, for another</asp:ListItem> <asp:ListItem>C.on the one hand, on the other hand</asp:ListItem> <asp:ListItem>D.in one part, in the other part</asp:ListItem> </asp:RadioButtonList><br /> <div id = "c" visible ="false" style ="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:C</strong></span></div> <strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif';">4、</span> <span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif'; ">The proposal ____ we start doing the experiment two days earlier has been agreed upon by all.</span></strong>&nbsp;<asp:Image ID="Image4" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /> <asp:RadioButtonList ID="RadioButtonList4" runat="server"> <asp:ListItem>A.which</asp:ListItem> <asp:ListItem>B.what</asp:ListItem> <asp:ListItem>C.that</asp:ListItem> <asp:ListItem>D.of which</asp:ListItem> </asp:RadioButtonList><br /> <div id = "d" visible ="false" style ="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:C</strong></span></div> <strong><span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif';">5、</span> <span lang="EN-US" style="font-size: 10.5pt; font-family: 'Tahoma','sans-serif'; ">____ , we may look forward to better weather.</span></strong> <asp:Image ID="Image5" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /> <asp:RadioButtonList ID="RadioButtonList5" runat="server"> <asp:ListItem>A.comes</asp:ListItem> <asp:ListItem>B.has come</asp:ListItem> <asp:ListItem>C.to be coming</asp:ListItem> <asp:ListItem>D.having come</asp:ListItem> </asp:RadioButtonList> <div id ="f" visible = "false" style="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:C</strong></span></div> <br /><br /><br /> 二、多选(每小题十分,共50分)<br /> 1.中国三大国粹;<asp:Image ID="Image6" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /> <asp:CheckBoxList ID="CheckBoxList1" runat="server"> <asp:ListItem>瓷器</asp:ListItem> <asp:ListItem>中国画</asp:ListItem> <asp:ListItem>京剧</asp:ListItem> <asp:ListItem>中医</asp:ListItem> </asp:CheckBoxList><br /> <div id ="g" visible = "false" style="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:中国画、京剧、中医</strong></span></div> 2.四大民间传说:<asp:Image ID="Image7" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /><br /> <asp:CheckBoxList ID="CheckBoxList2" runat="server"> <asp:ListItem>窦娥冤</asp:ListItem> <asp:ListItem>西厢记</asp:ListItem> <asp:ListItem>牛郎织女</asp:ListItem> <asp:ListItem>牡丹亭</asp:ListItem> <asp:ListItem>梁山伯与祝英台</asp:ListItem> <asp:ListItem>白蛇传</asp:ListItem> <asp:ListItem>孟姜女</asp:ListItem> </asp:CheckBoxList><br /> <div id ="h" visible = "false" style="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:牛郎织女、梁山伯与祝英台、白蛇传、孟姜女</strong></span></div> 3. 建安七子中有三曹:<asp:Image ID="Image8" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /><br /> <asp:CheckBoxList ID="CheckBoxList3" runat="server"> <asp:ListItem>曹操</asp:ListItem> <asp:ListItem>曹丕</asp:ListItem> <asp:ListItem>曹植</asp:ListItem> <asp:ListItem>曹冲</asp:ListItem> </asp:CheckBoxList> <br /> <div id ="i" visible = "false" style="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:曹操、曹丕、曹植</strong></span></div> 4.四大大名楼:<asp:Image ID="Image9" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /><br /> <asp:CheckBoxList ID="CheckBoxList4" runat="server"> <asp:ListItem>湖南岳阳岳阳楼</asp:ListItem> <asp:ListItem>江西南昌滕王阁</asp:ListItem> <asp:ListItem>山西永济鹳雀楼</asp:ListItem> <asp:ListItem>湖北武汉黄鹤楼</asp:ListItem> <asp:ListItem>云南昆明大观楼</asp:ListItem> </asp:CheckBoxList><br /> <div id ="j" visible = "false" style="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:湖南岳阳楼、江西滕王阁、湖北黄鹤楼、昆明大观楼</strong></span></div> 5.以下是古代名医的是:<asp:Image ID="Image10" Visible ="false" runat="server" ImageUrl="~/images/错误.gif" /><br /> <asp:CheckBoxList ID="CheckBoxList5" runat="server"> <asp:ListItem>扁鹊</asp:ListItem> <asp:ListItem>张仲景</asp:ListItem> <asp:ListItem>贾思勰</asp:ListItem> <asp:ListItem>淳于意</asp:ListItem> </asp:CheckBoxList><br /> <div id ="k" visible = "false" style="font-size: 10.5pt; color: red; font-family: 'Tahoma','sans-serif'; " runat ="server"> <span style="font-size: 12pt"><strong>正确答案为:扁鹊、张仲景、淳于意</strong></span></div> <br /> <p align ="center" > <asp:Button ID="submit" Text = "交 卷" OnClick ="submit_click" runat="server" />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <asp:Button ID ="reset" Text = "重 置" OnClick = "reset_click" runat ="server" /> </p> </form> </body> </html>

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