In February 2006, Lydia Angyiou and her two sons were walking through their village in northern Canada．The sound of children shouting made her turn around．To her horror, Lydia saw  a 700-pound polar bear behind her eyeing her seven-year-old son．Getting between the bear and her child, Lydia yelled at the children to run away．She then began hitting and kicking the animal as hard as she could．A neighbor who heard all the noise came and shot the bear．But everyone agreed it was Lydia who had saved her children's lives．A local policeman described it this way: “…I guess when your back is up against the wall…we come up with super-human strength．”

Where does this “super-human strength”，courage and quick thinking come from? Experts say it comes from stress! In stressful situations, the body releases chemicals that prepare it to take action．These chemicals give people the speed and strength they need to fight danger or run away from it．

When we think of stress, we usually think of its negative effects．Studies, though, show that moderate levels of stress are actually helpful．In fact, the way we perform is usually affected by the amount of stress we feel．

Stress causes the brain to release adrenaline（腎上腺素）which in turn increases our energy and excitement．The chemical gives us clearer minds and helps us to do more．This is why some people say they work better under a deadline．

Adrenaline that is not released for long periods of time can cause us to increase and strengthen our abilities instead of weakening them．We sometimes turn out our very best work when we push ourselves to the limit．Stress can also make us more confident．Handling small amounts of stress now prepares us for handling serious situations in the future．Who knows? Today's stress may even prepare for the next polar bear that comes along!

In the first paragraph, the case of Lydia Angyiou is mentioned to ______．

       A．introduce the topic to be followed

       B．praise Lydia Angyiou for her bravery

       C．remind us of the unexpected danger of life

       D．show the importance of super-human strength

What does the policeman probably mean by saying "your back is up against the wall"?

       A．You are helped．            B．You are inspired．

       C．You are confident．    D．You are cornered．

What would be the best title for the passage?

       A．Brave Mother           B．The Cause of Stress

C．The Benefit of Stress   D．Super-human Strength

【小題1】A

【小題2】D

【小題3】C


解析:

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科目：高中英語(yǔ) 來(lái)源：北京市豐臺(tái)區(qū)2010屆高三下學(xué)期統(tǒng)一練習(xí)（一） 題型：閱讀理解


B
At the middle school level, there are many academic clubs in which students can participate. Students can choose clubs that focus on an area of interest.
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Mathcounts tries to increase excitement towards mathematic achievement. It hopes to provide students with the foundation for success in science, technology, engineering and mathematics careers. Schools select individuals and teams to participate in competitions. Local competitions are held in February with winners progressing to state competitions and then on to the national level. Mathcounts works to challenge student math skills, develop self-confidence and give rewards for their achievements.
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The Envirothon program focuses on natural resources knowledge and exposes students to diverse environmental issues, ecosystems, and topography. The ecology field competition for five-member middle school teams offers competitions in wildlife, soils, forestry, current environmental issues and aquatics. Students work and learn in middle school clubs and can compete at the local and state level.
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Future Problem Solvers is an academic club that uses a six-step process to solve problems that may happen in the future. Students who are in the talented and gifted program, who like to “think out of the box,” or who enjoy thinking about futuristic problems may like this club. Teams comprised of four students read future scenes and write up solutions in a booklet using the six-step process. Teams that score high enough can go to the state competition and then to the international competition.
Builders Club
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Middle school academic clubs offer students a place to explore interests or talents. The clubs they join in middle school can help guide choices in high school and beyond.
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B
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You can know whether listed friends are online as long as you use it . The cartoon portrait(肖像，畫(huà)像) of the person turns bright if he is online . And the portrait turns dim(灰暗的) if he is not there .

Traditional public chat rooms are chaotic . It is difficult to focus on a conversation . OICQ can conduct a focused talk without interruptions by other chatters . OICQ has become a regular daily communication tool . “What is your OICQ number ? ” has become a modern topic .

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