Catch yourself daydreaming while washing the dishes again? If this happens often you probably have a pretty capable working memory and a sharper brain, new research suggests.
This mind wandering, it seems, actually gives your working memory a workout. Working memory is the mental work space that allows the brain to juggle multiple thoughts at the same time. The more working memory a person has, the more daydreaming they can do without forgetting the task at hand.
Researchers studied groups of people from the University of Wisconsin－Madison community, ranging in age from 18 to 65. The volunteers were asked to perform simple tasks, like pressing a button every time they took a breath or clicking in response to a letter popping up on a computer screen; these tasks were so easy that their minds were likely to wander, the researchers figured.
The researchers checked in periodically, asking the participants if their minds were on task or wandering. When the task was over, they measured each participant's working memory capacity by having them remember letters while doing math questions. Though all participants performed well on the task, the researchers noticed that the individuals who indicated their minds had wandered more than others also scored higher on the working memory test.
“What this study seems to suggest is that, when circumstances for the task aren't very difficult, people who have additional working memory resources allocate them to think about things other than what they're doing，” said Jonathan Smallwood, a study researcher of the Max Planck Institute for Human Cognitve and Brain Science.
When our minds run out of working memory, these off－topic thoughts can take the main stage without us consciously meaning them to; for instance, arriving at home with no memory of the actual trip, or suddenly realizing that they've turned several pages in a book without understanding any of the words.
“It's almost like your attention was so absorbed in the mind wandering that there wasn't any left over to remember your goal to read，” study researcher Daniel Levinson, said in a statement.
People with overall higher working memory were better able to stay focused when the task at hand required it. Those who had low working memory often had their thoughts drift away from the task, and did less well at it.
The findings add to past research suggesting these mind drifts can be positive moments. For instance, daydreaming has often been associated with creativity—researchers think that our most creative and inventive moments come when daydreaming. It's likely that the most intelligent among us also have high levels of working memory, Levinson noted.
【小题1】The word “juggle” in the second paragraph can be replaced by “________”．

阅读下面的短文，并根据短文后的要求答题（请注意问题后的词数要求）
[1]Why play sports? You might say “to get exercise” and you’d be right. To have fun? That’s true, too. But there’s more. In fact, there are at least 5 more reasons. According to the Women’s Sports Foundation, girls who play sports get a lot more than just fit.
[2]Girls who play sports do better in school. You might think that athletics wi1l take up all your study time. But research shows that girls who play sports do better in school than those who don’t. Exercise improves learning, memory, and concentration, which can give active girls an advantage in the classroom.
[3]Girls who play sports learn teamwork and goal-setting skills. Sports teach valuable life skills. When you work with coaches, trainers, and teammates to win games and achieve goals. you’re learning how to be successful. Those skills will        at work and in family life.
[4] Sports are good for a girl’s health. In addition to being fit and maintaining (维持) a healthy weight, girls who p1ay sports are also less likely to smoke. And later in life, girls who exercise are less likely to get breast cancer or osteoporosis (骨质疏松).
[5]Playing sports builds self-confidence. Girls who play sports feel better about themselves. Why? It builds confidence when you know you can achieve your goals. Sports are also a feel-good activity because they help girls get in shape, maintain a healthy weight, and make new friends.
[6] Exercise cuts the pressure. Playing sports can reduce stress and help you feel a little happier. How? The brain chemicals released during exercise improve a person’s mood. Friends are another mood-lifter. And being on a team creates tight bonds between friends. It’s good to know your teammates will support you—both on and off the field!
【小题1】What’s the main idea of the text? (no more than 8 words)
【小题2】List three advantages that exercise can give you when you are in school. (two words for each)
【小题3】Fill in the blanks in Paragraph 3 with proper words.(no more than 5 words)
【小题4】Translate the underlined sentence in Paragraph 5 into Chinese.
【小题5】What can lift your mood while playing sports? (no more than l5 words)

Eddie McKay, a once-forgotten pilot, is a subject of great interest to a group of history students in Canada.
It all started when Graham Broad, a professor at the University of Western Ontario, found McKay’s name in a footnote in a book about university history. McKay was included in a list of university alumni （校友） who had served during the First World War, but his name was unfamiliar to Broad, a specialist in military history. Out of curiosity, Broad spent hours at the local archives （档案馆） in a fruitless search for information on McKay. Tired and discouraged, he finally gave up. On his way out, Broad’s glance happened to fall on an exhibiting case showing some old newspapers. His eye was drawn to an old picture of a young man in a rugby uniform. As he read the words beside the picture, he experienced a thrilling realization. “After looking for him all day, there he was, staring up at me out of the exhibiting case,” said Broad. Excited by the find, Broad asked his students to continue his search. They combed old newspapers and other materials for clues. Gradually, a picture came into view.
Captain Alfred Edwin McKay joined the British Royal Flying Corps in 1916. He downed ten enemy planes, outlived his entire squadron （中队） as a WWI flyer, spent some time as a flying instructor in England, then returned to the front, where he was eventually shot down over Belgium and killed in December 1917. But there’s more to his story. “For a brief time in 1916 he was probably the most famous pilot in the world,” says Broad. “He was credited with downing Oswald Boelcke, the most famous German pilot at the time.” Yet, in a letter home, McKay refused to take credit, saying that Boelcke had actually crashed into another German plane.
McKay’s war records were destroyed during a World War II air bombing on London — an explanation for why he was all but forgotten.
But now, thanks to the efforts of Broad and his students, a marker in McKay’s memory was placed on the university grounds in November 2007. “I found my eyes filling with tears as I read the word ‘deceased’ （阵亡） next to his name,” said Corey Everrett, a student who found a picture of Mckay in his uniform. “This was such a simple example of the fact that he had been a student just like us, but instead of finishing his time at Western, he chose to fight and die for his country.”
【小题1】What made Professor Broad continue his search for more information on McKay?

When I was in the third grade, I was picked to be the princess in the school play. For weeks my mother had helped me practice my lines. But once on stage, every word disappeared from my head. Then my teacher told me she had written a narrator's part for the play, and asked me to change roles. Though I didn't tell my mother what had happened that day, she sensed my unhappiness and asked if I wanted to take a walk in the yard. It was a lovely spring day. We could see dandelions(蒲公英）popping through the grass in bunches, as if a painter had touched our landscape with bits of gold. I watched my mother carelessly bend down by one of the bunches. "I think I am going to dig up all these weeds," she said. "From now on, we'll have only roses in this garden." "But I like dandelions," I protested. "All flowers are beautiful-even dandelions!" My mother looked at me seriously. "Yes, every flower gives pleasure in its own way, doesn't it?" she asked thoughtfully. I nodded. "And that is true of people, too," she added. When I realized that she had guessed my pain, I started to cry and told her the fact. “But you will be a beautiful narrator,” she said, reminding me of how much I loved to read stories aloud to her. Over the next few weeks, with her continuous encouragement, I learned to take pride in the role. The big day finally came. A few minutes before the play, my teacher came over to me. “Your mother asked me to give this to you,” she said, handing me a dandelion. After the play, I took home the flower, laughing that I was perhaps the only person who would keep such a weed.
【小题1】The girl did not play the role of the princess mainly because_____  

                          American Girl
It’s packed with the things that matter most to girls: party plans, games, crafts and girl-to-girl advice.
American Girl is an appealing, age-appropriate teen magazine that allows young girls to be themselves.
The magazine features fun contests, puzzles, giggles, and more! Stories, creative games, cool contests and great sports tips for girls aged 7-11 are available in each issue of American Girl magazine.
Issues per year: 6  Cover price: $ 27.95  Sale price: $22.95
Ladybug
Beautiful, colorful, and delightful to read, each issue is filled with charming read-aloud stories, games for memory and skill building, songs, poems, and activities for beginning readers. Parents can visit our online Parents Companion that recommends additional activities, crafts, and books.
Issues per year:9   Cover price: $44.50   Sale price: $33.95
Cicada
A monthly magazine for teenagers and young adults aged 14 and up. It offers high-quality fiction and poetry dealing with the issue of growing up, leaving the joys and pains of childhood behind, and becoming an adult. Cicada magazine also encourages its teen readers to submit their own writing for publication. It’s so inspiring and humorous that you will not be able to put it down.
Issues per year: 6   Cover price: $51.00   Sale price: $33.95
Sorts Illustrated for Kids
It covers sports kids like. Featuring interviews with sports heroes, entertaining comics, breathtaking action photos, tips from the pros (职业运动员), news items of recent notes, games, puzzles, cartoons, fiction, advice from athletes, etc. Sports Illustrated for Kids is a magazine for children aged 8 and up.
Issues per year:12   Cover price:$47.88   Sale price: $ 24.95
【小题1】64. Which of the four magazines is the most suitable for a 4-year-old child?