Check your understanding:

1. Which of the following questions has NOT been discussed in the text?

A. What is Buffett's approach to investing?

B. How do other people view Buffett?

C. How has Buffett dealt with difficulties in his life?

D. How did Buffett make a fortune and realize his dream?

2. With the example of delivering two rival papers in high school, the author intends to tell us that Buffett ____.

A. had a good sense of business

B. was a good paper boy

C. was hard to deal with in business

D. knew little about how to make money

3. What did Buffett learn from his early experience of investing in stock market?

A. You never stop learning.

B. Be patient in business.

C. Only buy stocks of solid companies that are undervalued and inexpensive.

D. Stick to buying stocks in companies such as American Express and Coca-Cola.

4. Which of the following best describes Buffett?

A. Wise, diligent, friendly and generous.

B. Frank, aggressive, arrogant and practical.

C. Smart, creative, ambitious and persistent.

D. Energetic, traditional, adaptable and confident.

1. C 。第一、二段提到了 Buffett 通过卖报纸、卖饮料，炒股赚钱实现他儿时的梦想；最后一段提到了 Charlie Munger 对 Buffett 的看法；第七段提到了他的炒股秘招，所以 A 、 B 、 D 项文章中都有讨论到；而 C 项文中没有涉及。

2. A 。 Buffett 卖两个对家的报纸，确保在订户不订其中一种的时候，他还能保证依靠另一份报纸赚钱，可见他很有生意头脑，故选 A 。

3. B 。由第六段“ The experience taught him one of the virtues in investing: patience. ”可知，他早期炒股经历教育了他要有耐心，故 B 项正确。

4. C 。 Buffett 从小就有远大的理想，说明他是一个雄心勃勃的人；他卖两个对家的报纸以及他总结的炒股经验可见他善于独立思考，聪慧过人；他从小就一直为着自己的努力，持之以恒地努力，可见他是一个坚持不懈的人；因此， C 项很好地概括了他的特点。

1. The author wrote this text mainly to ____ .

A. recommend us the hit musical film Hairspray
B. tell us what kind of person Tracy Turnblad is

C. tell us even if you are ordinary you can still achieve success

D. introduce us to racism in America during the 1960s

2. Which of the following is NOT true about the TV program The Corny Collins Show ?

A. It's a popular teenage dance show.

B. It reflects racial discrimination.

C. Black dancers are only allowed on the show once a week.

D. Tracy catches the public attention on the show.

3. Tracy is turned away at the audition at first because ____ .

A. she is overweight

B. she is in favor of segregation

C. she always skips school

D. she is not good at dancing

1. A 。文中通过介绍 Tracy Turnblad 的成功来介绍影片 Hairspray 的情节，让读者了解这部影片，所以 A 项符合题意。

2. C 。由第三段的“ …The Corny Collins Show. It is a popular teenage dance show. But to Tracy 's disappointment, the program remains a segregated one – all the dancers are white. Black kids are only allowed on “Negro Day”, held the last Tuesday of each month. ”可知 A 、 B 项正确， C 项不正确（黑人孩子只允许每个月的最后一个星期二登台演出，即每月一次机会）。由第七段第一句话“ Tracy quickly becomes one of the most popular dancers. ”可知 D 项正确。

3. A 。由第五段最后一句“ However, Velma turns Tracy away at the audition for being overweight and supportive of integration ”可知 A 项符合题意， B 项 segregation 不对。

1. All of the following contributed to the fact that teenagers nowadays are difficult to communicate with EXCEPT ____ .

A. parents' less involvement in teaching their children key social skills

B. an addiction to online games

C. the loss of family meals

D. celebrity worshipping

2. Which of the following is NOT the reason for the importance of family meals according to the text?

A. They are good time for teenagers to learn social skills.

B. They provide a good opportunity to share thoughts and ideas.

C. Family members can take the time to enjoy TV programs together

D. Family members can solve problems together during this period of time.

3. What can we infer from paragraph 6?

A. Celebrity worshipping makes teenagers believe they can achieve success through good luck.

B. Celebrity worshipping makes teenagers take an interest in buying lottery tickets.

C. Celebrities can inspire teenagers to fulfill their dreams through hard work.

D. Celebrities who buy a lottery ticket set a bad example to teenagers.

1. B 。由第三段“ the erosion of family life leaves parents less time to teach key social skills ”以及“ One of the most important factors has been the loss of the family meal, which has reduced family conversation, ”以及第五段的“ Dunford also criticized celebrity worshipping, which makes teaching “more difficult than it has ever been.” ”可知 A 、 C 、 D 项所述导致了代沟的产生，而 B 项文中没有涉及。

2. C 。第三、四段提到了家庭聚餐的好处，“ a time for sharing thoughts and ideas and problem-solving together ”，家庭成员之间对话会增多，家庭成员能够分享更多的想法，能够一起解决问题；父母有机会告诉孩子一些基本的礼仪常识等；但是文中没有提及利用聚餐时间一起看电视，所以 C 项符合题意。

3. A 。第五——七段提到了偶像崇拜的坏处。第六段用了一个比喻：正常的成功是通过努力工作而获得的；但是青少年将他们偶像的成功归功于买彩票中奖一样，第七段解释了之所以有这种误解的原因：他们看不到成功之后付出的汗水与辛劳。买彩票中奖主要是依靠运气，所以 A 项正确。

1. The purpose of the author in writing this passage is to ____ .

A. inform us how the brain works

B. give us advice on how to keep the brain healthy

C. tell us that the brain plays an important role in our lives

D. show how special the two pounds of brain is to us

2. The word “stunning” in paragraph 5 means ____ .

A. interesting B. strange

C. significant D. amazing

3. According to the text, more exercise ____ .

A. keeps our mind sharp

B. helps improve our memory

C. gives our brain a rest

D. is good for brain cells communicating with each other

4. In order to keep healthy, we should avoid ____ .

A. eating a good lunch B. doing puzzles

C. eating a large supper D. taking aerobic exercise

1. B 。本文作者介绍了大脑之于我们的重要性，告诉我们要保持大脑健康，并给出了一些建议，因此 B 项符合题意。

2. D 。结合文章第二段对大脑功能的评价“ by far the most amazing, compact ( 紧实的 ), complicated and absolutely best use of two pounds ”以及第五段 stunning 后提到的“ far beyond anything most of us can imagine. ”可以看出 stunning 在这表示“令人惊叹的”， amazing 与其意思相近。

3. B 。由第六段第二句“ Exercise stimulates a hormone ( 荷尔蒙 ) in our brain that improves memory. ”可知 B 项符合题意。

4. C 。答案在文后给的三个 box 中。由 Nutrition 部分的谚语可知，早吃饱，中吃好，晚吃少；由 Exercise 部分可知，有氧运动有益于大脑健康；由 Mental games 部分可知，猜谜、听音乐之类的活动也有利于大脑健康；因此， C 项所述是有悖于这些原理的。