According to the passage, which of the following is TRUE
A. He was the youngest American elected president.
B. He was the richest American elected president.
C. He became president because he fought in the World War Ⅱ.
D. He became president because his family had suffered scandals.
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如果一个用户通过电话网将自己的主机入因特网，以访问因特网上的 Web 站点，那么用户不需要在这台主机上安装和配置______。
A. 调制解调器
B. 网卡
C. TCP/IP 协议
D. WWW 浏览器
Two days (past) (before) he (realized) that the task was (beyond his capacity).
A. past
B. before
C. realized
D. beyond his capacity
以下关于主板的描述中，哪一个是错误的？
A. 按 CPU 插座分类有 Slot 主板、Socket 主板
B. 按主板的规格分类有 TX 主板、DX 主板
C. 按数据端口分类为 SCSI 主板、EDO 主板
D. 按的展槽分类有 PCI 主板、USB 主板
《公路工程国内招标文件范本》规定联合体主办人所承担的工程量必须超过总工程量的( )。
A. 30%
B. 20%
C. 50%
D. 70%
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