问题 填空题


The central problem of economics is to satisfy the people’s and nation’s wants. The problem we are faced with is that our (1) , here identified as money, are (2) . The only way we can resolve our (3) is to make choices. After looking at our resources, we must examine our list of (4) and identify the things we need (5) , those we can postpone, and (6) we cannot afford. As individuals, we face the central problem involved in economics — deciding just how to allocate our limited resources to provide ourselves with the greatest (7) of our wants.
Nations face the same problem. As a country’s population (8) , the need for more goods and services grows (9) . Resources necessary to production may increase, but there are (10) enough resources to satisfy the total desires of a (11) . Whether the budget meeting is taking place in the family living-room, in the conference room of the corporation (12) of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find (13) of allocating limited resources in order to satisfy unlimited wants.
A short time ago, economists divided goods into two categories, free and economic. The former, like air and water, were in (14) abundance that economists had no concern about (15) of scarcity and what to do about it. Today many of these "free goods" are in (16) very expensive to use. Pollution has made clean air and water expensive for producers who have to filter their waste products, for consumers who ultimately pay for the producers’ extra costs, and (17) tax-payers who pay for the government’s involvement in cleaning the environment.
In the 1990s, almost all goods are (18) . Only by effort and money can they be (19) in the form people wish.
Meeting the needs of people and the demands from resources available leads to the basic activity of production. In trying to (20) unlimited wants from limited economic goods, production leads to new problems in economics.

答案

参考答案:obtained

解析:

[分析]: 语境搭配 参见上面注释(18),此处应指通过努力和金钱来获得,且是被动语态;因此答案为 obtained。

单项选择题 A1/A2型题
问答题

【说明】
某大学利用VOD视频服务系统提供教学课件在线点播服务。该视频服务系统用ASP语言编程实现,主页文件名为“index.asp”,部分网页运行的效果如图2-13所示。程序中使用的Access数据表结构见表2-8和表2-9。



【conn.asp文档的内容】
<%
dim db,conn,connstr
db="vod.mdb"
set Conn=server.CreateObject ("ADODB.connection")
connstr="proyider=microsoft.jet.oledb.4.0;data source=" &server.MapPath ("data/"&db&"")


%>
【index.asp 文档的内容】
(2) <!--第(2)处 -->
<html>
<head>
<title>视频服务系统</title>
<style type="text/css">
<!
td font-size:12px;line-height:17px
body font-size:12px;line-height:17px
p margin-top:1px;margin-bottom:1px
a:link text-decoration:none;color:black
a:visited text-decoration:none;color:black


-->
</style>
</head>
<body leftmargin="0" topmargin="0">
<!--#5nclude file="head.asp" -->


<table>
<td height="30" width="367">
<%sq1="select * from item"
setrs_item=server, createobjiect ("adodb.recordset")
rs_iterm.open sq1,connstr, 1,1
response.write"<p><b><img src=images/dot1.gif><a href=index.asp>全部节目</a> "
do while not rs_item.eof
response.write "<imgstc--images/dot1.gif botder=-0><a href=index.aspitem="&rs_item ("name")
&">"&rs_item ("name") A"</a> "
(5) <!-- 第(5)处 -->


response.write "</b> "
rs hm.close%>
</td>
</table>
</div>
<div align="center">
<% dim item_type
item_type= (7) <!-- 第(7)处 -->
if item_type="" or itcrn_type ="全部节目" then
sq1="sclect * from data"
else
sq1=" (8) <!-- 第(8)处 -->
end if
set rs=server, createobject ("adodb.recordset")
rs.open sql,connslr,1,1
%>
<table
<tr>
<td width="125" background="images/bg.gif’ height="30"> 
<img border="0" src="images/biao_left.gif" width="15" height="15">节目名称</td>
<td width="58" background="images/bg.gif" height="30" align="center">格式类型</td>
<td width="43" background-"images/bg, gift height="30" align="center">点播次数</td>
<td width="70" background="images/bg.gif" height="30" align="center">创建日期</td>
<td width="ll5" background="images/bg.gif" height="30" align="center">点播</td>
<td width="73" background="images/bg, gif" height="30’" align="center">下载</td>
</tr>
<%do while not rs.eof%>
<tr>
<rd width=" 125" height" 30" > <img bgrder=-"0" src="images/dian.gif"> <%=rs("name") %></td>
<td width="115" height="30" align="center"><a href=""> 点播</td>
<td width="58" height="30" align="center"><%=rs ("type") %></td>
(9) <!-- 第(9) -->
<td width="70" height="30" align="center"><%=rs ("date") %></rd>
</tr>


loop%>
</table>
</div>
<!-- 此处省略了部分代码-->
<!-- #include file="foot.asp" -->
</body>
</html>

【问题4】
以下网页设计方式中,可以使用户快捷有效的获取其所需信息的有 (13) 。(不定项选择)

  • A.限制网页中同时显示的颜色数
  • B.网页内容的显示长度不限
  • C.采用带有文字的图形(图像)点缀网页
  • D.网页中超链接突出显示