What is found in Steinberg' s experiments about peer pressure?

A．Adolescent mice take fewer risks in a peer group.

B．Adolescent mice drink more when they are alone.

C．Teenagers drive more carelessly with peers around.

D．Teenagers play more video games with their friends.

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【考情点拨】事实细节题。
【应试指导】文章第二段第八、九、十句提到，斯坦伯格在实验中发现，有同伴在场的时候，青春期的老鼠比独处的时候喝得更多。在另一个实验中，斯坦伯格发现，青少年在其他人在场的时候也会冒更多的风险，知道有其他青少年在看，开车的那个青少年表现得会更不小心。故选C。

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1 Which of the following is closest in meaning to "socialize" in Paragraph 2?

A．Live alone.

B．Help each other.

C．Take responsibilities.

D．Spend time with others.

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2 Why did Natterson-Horowitz and Bowers write the book?

A．To better educate human teenagers.

B．To better understand their own children.

C．To research on adolescent peer pressure.

D．To get to know adolescent drinking problem.

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3 根据下面资料，回答题
Americans like to be straightforward when it comes to getting to know someone. Their personalquestions might seem offensive in some cultures. For example, "Where did you go to school?" mightannoy an Englishman, because the answer reveals his social status. Here, it is simply an attempt tospeed up the getting-to-know-you process.
While many Americans are very well-traveled, they' re in the minority. Don' t be offended if acomment about your country or culture seems insulting--it' s usually just a lack of information, and agentle correction will be well accepted. What if the conversation goes wrong to a topic that you findprivate, such as health or politics? Americans can' t always take a subtle hint when they' re beingdisturbing--a light-hearted comment and a change of subject will probably work. If you' re from Europe,expect to hear how many famous ancestors of your country appear in their family tree. And if you' refrom Britain, that sudden odd way of speaking is probably an American' s attempt to imitate youraccent--it' s meant to be joking. These days there is little in the United States that truly offends. As auniversal rule, it is also wise to avoid talking about religion, money, and politics.
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B．They would hear his opinion of America.

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D．They would boast about their European ancestors.

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