根据汉语或首字母提示完成句子.

1. Bill Gates gives a lot of money to________(慈善机构)every year.

2. He is wearing a black shirt and a pink_______(领带)．

3. Money was always a big ________ (烦恼) for us.

4. I will get n _________ when I answer the teacher's question.

5. Tom received many p ________ in his tenth birthday.

6. I get p ________. They look terrible. What should I do?

7. Are you n_________ before big exams?

8. I'm r ___________ shy and I just don't enjoy parties.

图为“十一五”期间北京市全社会固定资产投资比重变化情况。

这说明                                                         （   ）

A．国有经济在国民经济中主导地位不断加强

B．生产资料公有制是社会主义根本经济特征

C．非公有制是社会主义市场经济的有益补充

D．多种所有制经济发挥各自优势，共同发展