可知, Roosevelt赢得竞选, 是因为他有一个"brain trust"(给他建议的团队, 即智囊团)。

6. According to the text, if you're the CEO of Bai Du you can be called_______.

A. the organ of Bai Du

B. the brain drain of Bai Du

C. the brains behind Bai Du

D. Bai Du's brain trust

【解析】选C。推理判断题。根据第二段"And if you are the brains behind an organization, you are responsible for developing or organizing it. "可知, 在Bai Du背后运行管理这个机构的人被称为"the brains behind Bai Du"。

7. Which of the following expressions is always used in an impolite way?

A. Brainstorm. B. Brain trust.

C. Brainwash. D. Brain drain.

【解析】选C。推理判断题。根据最后一段最后一句Keep in mind that brainwash is never used in a good way. 可知正确答案为C。

8. What's the main idea of this article?

A. The origin of the word"brain".

B. The word"brain"and its stories.

C. The brain is an important organ of the body.

D. How to use your brain more effectively.

【解析】选B。主旨大意题。根据文章内容特别是第一段给了读者关于本文的大意。文章描述The word"brain"及它的含义, 故选项B正确。

Ⅱ. 完形填空

It was a cold evening and my daughter and I were walking up Broadway. I didn't notice a guy sitting inside a cardboard box. But Nora did. She wasn't even four, but she　1　at my coat and said, "That man's cold. Daddy, 　2　we take him home? "

I don't remember my reply. But I do remember a sudden　3　feeling inside me. I had always been delighted at how much my daughter noticed in her　4　, whether it was　5　in flight or children playing. But now she was noticing　6　and beggary.

A few days later, I saw an article in the newspaper about volunteers who picked up a food package from a nearby school on a Sunday morning and　7　it to an elderly person. It was quick and easy. I　8　us up. Nora was　9　about it. She could understand the importance of food, so she could easily see how　10　our job was. When Sunday came, she was ready, but I had to　11　myself to leave the house. On the way to the school, I fought an urge to turn　12　. The Sunday paper and coffee were waiting at home. Why do this? 　13　, we phoned the elderly person we'd been appointed. She　14　us right over.

The building was in a sad state. Facing us was a silver-haired woman in an old dress. She took the package and asked us to come in. Nora ran inside. I unwillingly followed. 　15　inside, I saw that the department belonged to someone poor. Our hostess showed us some photos. Nora played and when it came time to say goodbye, we three hugged. I walked home in tears.