问题 单项选择题

十六进制数CC所对应的八进制数为______。

A.314

B.630

C.1414

D.3030

答案

参考答案:A

解析: 本题考查进制转换基础知识。 十六进制数CC的二进制形式为11001100,从右向左每三位划分为一组,对应的八进制数为314。

阅读理解

任务型阅读。

     Last month, Jenna and Barbara Bush, the former (前任的) first daughters, wrote a letter to Malia and

Sasha, sharing their advice on how to enjoy life in the White House. In their letter, Jenna and Barbara suggest

that "Four years goes by fast, so absorb (吸收) it all, enjoy it all!"

     They are taking the advice. Ten-year-old Malia plans to use Abraham Lincoln's desk for her homework.

She thinks that will inspire (激发) great thoughts. Seven-year-old Sasha is expecting (盼望) a dog after spring

break.

     But life as First Daughters won't be just fun and games. Although lots of people serve (服务) the president's

family. Malia and Sasha still have to do chores.

     In a recent interview, the Obama parents say the two girls set the table, make their beds, clean their rooms

and clear the dishes. They also have to practice piano every day. If they do all of their chores, their parents give

them a dollar (6.85yuan) a week.

请根据短文内容填空。

1.Jenna and Barbara wrote a letter to Malia and Sasha,sharing their advice on _____________.

2.Malia plans to ____________________________________.

3.Sasha is expecting ____________________ after the spring break.

4.List (列举) the chores that Malia and Sasha have to do.

                                                                                           

5.If they do all their chores,their parents give them _____________ a week.

单项选择题