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    I experienced years of loneliness as a child. 1. His friends teased him about babysitting his sister and his interests were far different from mine. With no other kids of my age in the neighborhood, I had to spend hours by myself.

A bright spot for me turned out to be reading. My love of the written word began early as my mother read to me every evening. 2. I started reading books on my own before age 5 and my mother took me to the public library once a week to borrow several books. I quickly graduated from typical children’s books to ones with fewer pictures and longer chapters. Reading opened new worlds to me. 3.

My mother also encouraged me to make what I wanted. I tried making toy cars with cardboard boxes and constructing buildings from leftover cardboard and bits of wood my father gave me. When my mother saw my creations, she told me how creative my designs were. 4. I learned a lot about how to extend the life of objects and transform them into something new and useful. It was a trait(特点) others found helpful, and I soon had friends who wanted to make things with me.

5.My parents made it a point for their two kids to spend time outside, no matter the weather or season. My brother, of course, raced off to be with his friends, while I had plenty to do myself. There was making leaf houses in autumn, ice skating in winter, and so much more. They’re all memories I treasure today.

A.I wasn't alone any longer.

B.I enjoyed reading stories aloud.

C.I was invited to play with another kid.

D.I loved the colorful photographs in the books.

E.Another habit I formed early was being outdoors.

F.Thus, I began my lifelong interest in making things.

G.My older brother couldn’t be bothered to play with me.

    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

    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.

    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.

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.