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听力原文:Woman: Good evening. They used to say 'As goes General Motors, so goes the nation'. Today is 'As goes IBM, so goes the market'. It's a rough one on Wall Street, down more than 200 points for much of the day. When it was over, the Dow Jones Industrial Average dropped 94 points to close at 10,297. IBM was off 21 points, after the computer giant warned its earnings would be lower than expected for several quarters to come. It seems that the business, 'fixing computers for the year 2000' is drying up. And companies and consumers are waiting for the millennium to pass before they spend any more money on technology. Here is our reporter Caroline Walter. Man: It was a nasty joke for investors today who had dismissed Y2K as much ado about nothing. Shares of IBM plunged almost 20 per cent on unexpected news that the drop of the Y2K spending is having a big impact on big blue. The problem is businesses that paid IBM and other technology companies tens of billions of dollars last year to make sure their computer systems were ready for the year 2000 have now stopped spending, at least until sometime next year. Woman: Many corporations say that they've bought their computers. They've switched their software, it's Y2K compliant. And they just don't want to touch that installation, they don't want to risk something going wrong after they worked so hard to make sure that everything is going to work. Man: IBM is the most prominent casualty of the technology spending freeze, but others are suffering as well. On Monday shares of Lexmark International, a computer printing company, dropped 30 per cent. Purchases of new printers have been postponed until after the new millennium. Shares of Computer Horizons, which installs business software, have fallen more than 75 percent. Last year the company had its best year ever. What worries Wall Street now is how many other companies who think their businesses are fine will find their earnings decimated by the drop of Y2K spending. A company as big as IBM could underestimate the risk. others could also be fooled. ?You will hear a radio interview between an economist and a journalist. ?For each question(23-30),mark one Ietter(A,B or C)for the correct answer. ?After you have listened once,replay the recording. When it was over, the Dow Jones Industrial Average dropped 94 points to close at
A.
10 217
B.
10 297
C.
10 317
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【单选题】在C#中,以下有关索引器的参数个数的说法中正确的是【 】。
A.
索引器只能有一个参数
B.
索引器可以有多个参数
C.
索引器可以没有参数
D.
索引器至少要有两个参数
【单选题】入住一定级别套房的游客是邮轮重要的
A.
A个人贵宾
B.
B公司贵宾
C.
C需要特别关照的游客
D.
D普通游客
【判断题】《诗经·桧风·隰有苌楚》是一首没落贵族厌世的诗。
A.
正确
B.
错误
【多选题】下列关于PDO的预处理语句机制的描述,错误的是( )
A.
所谓预处理语句,可以理解成一种编译过的待执行的SQL语句模板,在执行时,只需在服务器和客户端之间传输有变化的数据即可,以此可以避免重复分析与编译。
B.
使用prepare()方法准备预处理语句,在SQL语句中添加占位符,可以是问号占位符(?)或者命名参数占位符(:参数名称)。
C.
使用bindParam()方法为占位符绑定变量参数,如果是问号占位符,第一个参数以0开始索引。
D.
使用execute()方法执行预处理语句,执行成功,返回关联数组,失败则返回false。
【单选题】在 C# 中,以下有关索引器的参数个数的说法中正确的是 。
A.
索引器只能有 1 个参数
B.
索引器可以有多个参数
C.
索引器可以没有参数
D.
索引器至少要有 2 个参数
【单选题】在资金等值计算中,下列表达正确的是
A.
P一定,i相同,n越高,F越大
B.
P一定,i相同,n越长,F越小
C.
F一定,i相同,n越长,P越大
D.
F一定,n相同,i越高,P越大
【单选题】在资金等值计算中,下列表达正确的是
A.
P一定,n相同,i越高,F越大
B.
P一定,i相同,,2越长,F越小
C.
F 一定,i相同,n越长,P越大
D.
F一定,n相同,i越高,P越大
【简答题】根据皮亚杰的认知发展理论,幼儿处在其( ),主要特点是自我中心,万物有灵和单维度思维导致的( )、( )
【简答题】阅读以下DNS服务器架构的技术说明,根据要求回答问题。 [说明] 在一台已安装有Windows Server2003操作系统的服务器上开启DNS服务,并已分别创建“正向搜索区域”和“反向搜索区域”,其DNS控制台窗口如图7-5所示。在该服务器1000Mbps网卡的TCP/IP参数中配置了一个“172.16.230.5”的IP地址,要求能将该IP地址与域名www.test.com.cn和 ftp.t...
【单选题】在资金等值计算中,下列表达正确的是
A.
P一定,n相同,i越高,F越大
B.
P一定,i相同,n越短,F越大
C.
F一定,i相同,n越长,P越大
D.
F一定,n相同,i越高,P越大
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