根据句意和首字母提示完成单词。

1. Can you come to my birthday p _____ next week?

2. Thank you for your i _____ to have dinner with your family next Sunday.

3. She can't come, because she h _____ to babysit her brother.

4. He has a toothache. So he has to go to the d _____ .

5. All the boys go to play football, but I can't.  I have to have a piano l _____ .

6. Let's watch the basketball m _____ at 5:00 p.m. on TV.

7. Class, you can d _____ this question first,  and then tell me the answer.

8. I have a r_____ busy week.

9.—My mother is ill.

  —I'm s_____ to hear that.

10. Can you come o_____ to my house this weekend?

下列关于数据的逻辑结构不正确的是( )。

A．数据的逻辑结构是数据间关系的描述

B．数据的逻辑结构具体反映在计算机中的存储方式

C．数据的逻辑结构分为线性结构和非线性结构

D．数据的逻辑结构抽象反映数据元素间的逻辑关系