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Challenging work that requires lots of a...

    Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age, a study published Wednesday in the journal Neurology suggests.

Researchers from the University of Leipzig in Germany gathered more than 1, 000 retired workers who were over age 75 and assessed the volunteers’ memory and thinking skills through a battery of tests. Then, for eight years, the scientists asked the same group to come back to the lab every 18 months to take the same sorts of tests.

Those who had held mentally stimulating(刺激), demanding jobs before retirement tended to do the best on the tests. And they tended to lose cognitive(认知) function at a much slower rate than those with the least mentally challenging jobs. The results held true even after the scientists accounted for the participants’ overall health status.

“This works just like physical exercise, ” says Francisca Then, who led the study. “After a long run, you may feel like you’re in pain, you may feel tired. But it makes you fit. After a long day at work-sure, you will feel tired, but it can help your brain stay healthy. ”

It's not just corporate jobs, or even paid work that can help keep your brain fit, Then points out. A waiter’s job, for example, that requires multitasking, teamwork and decision-making could be just as stimulating as any high-level office work. And “running a family household requires high-level planning and coordinating(协调), ” she says. “You have to organize the activities of the children and take care of the bills and groceries. ”

Of course, our brains can decline as we grow older for lots of reasons-including other environmental influences or genetic factors. Still, continuing to challenge yourself mentally and keeping your mind busy can only help.

1.Why did the scientists ask the volunteers to take the tests?

A.To assess their health status. B.To evaluate their work habits.

C.To analyze their personality. D.To measure their mental ability.

2.How does Francisca Then explain her findings in paragraph 4?

A.By using an expert’s words. B.By making a comparison.

C.By referring to another study. D.By introducing a concept.

3.Which of the following is the best title for the text?

A.Retired Workers Can Pick Up New Skills

B.Old People Should Take Challenging Jobs

C.Your Tough Job Might Help Keep You Sharp

D.Cognitive Function May Decline As You Age

 

1.D 2.B 3.C 【解析】 这是一篇说明文。《神经病学》杂志发布的一则研究显示,需要大量的分析思考、细致规划和其他管理技能有挑战性的工作,有可能会帮助你的大脑随着年龄的增长而保持敏锐。 1. 细节理解题。根据第二段第一句“Researchers from the University of Leipzig in Germany gathered more than 1,000 retired workers who were over age 75 and assessed the volunteers’ memory and thinking skills through a battery of tests.(来自德国莱比锡大学的研究人员召集了1000多名75岁以上的退休老人,并通过一系列的测试对他们的记忆力和思维能力进行了评估。)”可知,科学家让志愿者做测试是为了测试他们的心智能力。故选D项。 2. 推理判断题。根据第四段中Francisca Then说的话“This works just like physical exercise,( 这就像体育锻炼一样有效。)”及接下来进一步的解释“长跑后人就会感到痛苦和疲惫,但它确实能强身健体。工作一天下来会感到劳累,但这也使你的大脑处于健康状态”可知,Francisca Then是通过与“身体锻炼”作比较来解释他的发现的。故选B项。 3. 主旨大意题。第一段“Challenging work that requires lots of analytical thinking, planning and other managerial skills might help your brain stay sharp as you age(需要大量的分析思考、细致规划和其他管理技能有挑战性的工作,有可能会帮助你的大脑随着年龄的增长而保持敏锐。)”是本文的主题句,结合全文内容可知,文章主要讲述了有挑战性的工作可能会使大脑保持敏捷,所以C项“困难的工作可能有助于大脑保持敏捷”适合作本文标题。故选C项。
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    The traffic signals along Factoria Boulevard in Bellevue, Washington, generally don't flash the same length of green twice in a row, especially at rush hour. At 9:30am, the full red/yellow/green signal cycle might be 140 seconds. By 9:33am, a burst of additional traffic might push it to 145 seconds. Less traffic at 9:37am could push it down to 135. Just like the traffic itself, the timing of the signals changes.

That is by design. Bellevue, a fast-growing city just east of Seattle, uses a system that is gaining popularity around the US: intersection(十字路口) signals that can adjust in real time to traffic conditions. These lights, known as adaptive signals, have led to significant declines in both the trouble and cost of travels between work and home.

“Adaptive signals can make sure that the traffic demand that is there is being addressed, ” says Alex Stevanovic, a researcher at Florida Atlantic University.

For all of Bellevue’s success, adaptive signals are not a cure-all for jammed roadways. Kevin Balke, a research engineer at the Texas A&M University Transportation Institute, says that while smart lights can be particularly beneficial for some cities, others are so jammed that only a sharp reduction in the number of cars on the road will make a meaningful difference. “It’s not going to fix everything, but adaptive signals have some benefits for smaller cities,” he says.

In Bellevue, the switch to adaptive signals has been a lesson in the value of welcoming new approaches. In the past, there was often an automatic reaction to increased traffic: just widen the roads, says Mark Poch, the Bellevue Transportation Department’s traffic engineering manager. Now he hopes that other cities will consider making their streets run smarter instead of just making them bigger.

1.What does the underlined word “that” in paragraph 2 refer to?

A.Increased length of green lights. B.Shortened traffic signal cycle.

C.Flexible timing of traffic signals. D.Smooth traffic flow on the road.

2.What does Kevin Balke say about adaptive signals?

A.They work better on broad roads.

B.They should be used in other cities.

C.They have greatly reduced traffic on the road.

D.They are less helpful in cities seriously jammed.

3.What can we learn from Bellevue’s success?

A.It is rewarding to try new things. B.The old methods still work today.

C.I pays to put theory into practice. D.The simplest way is the best way.

 

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    I am an active playgoer and play-reader, and perhaps my best reason for editing this book is a hope of sharing my enthusiasm for the theater with others. To do this I have searched through dozens of plays to find the ones that I think best show the power and purpose of the short play.

Each play has a theme or central idea which the playwright(剧作家) hopes to get across through dialogue and action. A few characters are used to create a single impression growing out of the theme. It is not my intention to point out the central theme of each of the plays in this collection, for that would, indeed, ruin the pleasure of reading, discussing, and thinking about the plays and the effectiveness of the playwright. However, a variety of types is represented here. These include comedy, satire, poignant drama, historical and regional drama. To show the versatility(多面性) of the short play, I have included a guidance play, a radio play and a television play.

Among the writers of the plays in this collection, Paul Green, Susan Glaspell, Maxwell Anderson, Thornton Wilder, William Saroyan, and Tennessee Williams have all received Pulitzer Prizes for their contributions to the theater. More information about the playwrights will be found at the end of this book.

To get the most out of reading these plays, try to picture the play on stage, with you, the reader, in the audience. The houselights dim(变暗). The curtains are about to open, and in a few minutes the action and dialogue will tell you the story.

1.What do we know about the author from the first paragraph?

A.He has written dozens of plays. B.He has a deep love for the theater.

C.He is a professional stage actor. D.He likes reading short plays to others.

2.What does the author avoid doing in his work?

A.Stating the plays’ central ideas. B.Selecting works by famous playwrights.

C.Including various types of plays. D.Offering information on the playwrights.

3.What does the author suggest readers do while reading the plays?

A.Control their feelings. B.Apply their acting skills.

C.Use their imagination. D.Keep their audience in mind.

4.What is this text?

A.A short story. B.An introduction to a book.

C.A play review. D.An advertisement for a theater.

 

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听下面一段独白,回答以下小题。

1.What is the speaker doing?

A.Reporting a study. B.Chairing a meeting. C.Teaching a class.

2.What should you pay most attention to when taking notes?

A.Listening. B.Reading. C.Writing.

3.What is an advantage of using symbols in note-taking?

A.It keeps information secret.

B.It leaves space for future use.

C.It makes key words noticeable.

4.What will the speaker do next?

A.Ask a few questions. B.Show some notes. C.Make a summary.

 

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听下面一段较长对话,回答以下小题。

1.What is the woman recommending to the man?

A.A writer. B.A club. C.A course.

2.What is the woman reading now?

A.The Beautiful Mind. B.The Great Gatsby. C.The Kite Runner.

3.How much time does the man have to read the book?

A.Two weeks. B.Three weeks. C.Four weeks.

 

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听下面一段较长对话,回答以下小题。

1.Why does Bill look troubled?

A.He is short of money.

B.He has made a big mistake.

C.He is facing a tough choice.

2.What is Bill now?

A.A college student. B.An army officer. C.A computer engineer.

3.What does the woman seem to suggest Bill do?

A.Learn to repair cars. B.Decline the job offer. C.Ask his uncle for advice.

 

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