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问题 单项选择题

下面是关于Pentium 微处理器三种工作模式的叙述，其中错误的是( )。

A．Pentium 微处理器加电启动后首先进入实模式

B．保护模式支持多任务操作

C．虚拟8086模式是保护模式的一种特殊工作方式

D．虚拟8086模式下工作的应用程序在特权级0上运行

答案

参考答案：D

完形填空

July 4 is the birthday of the United States of America. Since 1776, people have   36   the Independence Day holiday every year.

What do people   37 on Independence Day? Many colorful and interesting things. They have fireworks shows in the evenings and sing songs. Some families organize picnics with barbecues (烧烤). Kids can   38  much delicious food like hotdogs.

And these parties are a good time to dress up. Some kids make July 4 hats   39   the stars and stripes(星条) of the country’s flag on them. And Independence Day is in summer. Many kids use stars and stripes fans to keep themselves   40  .

It’s a great day, but no one forgets that it’s   41  too. US people are proud of their   42  and proud of what the founders did for it. On Independence Day everyone gets the chance to show it.

小题1: A. spent       B. celebrated        C. decorated

小题2:A. do           B. make               C. give

小题3: A. smell       B. sell               C. eat

小题4: A. for         B. with               C. at

小题5: A. hot         B. warm               C. cool

小题6: A. funny       B. serious               C. boring

小题7: A. country     B. school                 C. home
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填空题

集装箱跟踪管理系统的传输方式主要有两种，即______和______。
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