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题型:阅读理解 题类: 难易度:普通

高中英语人教版(2019)选择性必修第三册Unit 2 Section IV

 阅读理解

Sleep is essential for a person's well-being. Researchers have found that sleep loss increases a person's risk of developing serious medical conditions. Now, a new study has found that getting enough sleep is also the key to improving academic performance.

Jeffrey Grossman, who led the research, was not trying to find the correlation(相关性) between sleep and grades when he handed out a device to the students in his class. Instead, the professor hoped the popular wrist-worn electronic device, which tracks a person's activity 24/7, would show a connection between physical exercise and academic achievement.

As part of the research, a quarter of the participants chose a fitness class specially created for the study. After the school term ended, the researchers carefully analysed the data. Much to Grossman's surprise, they found no measurable difference in test performance between the group that had been physically active and the group that had not.

However, the study presented a surprising viewpoint in the journal Science of Learning. Going through the large amount of data, Grossman noticed an interesting trend(趋势) from the participants' sleep patterns. There was a straight-line relationship between the average amount of sleep and his/her grade in the exams.

Besides, it was not enough for students to just head to bed early the night before a test. Grossman says, "We've heard the phrase ‘Get a good night's sleep. You've got a big day tomorrow.' It turns out this does not relate at all to test performance. Instead, it's the sleep you get during the days when learning is happening that matters most."

The time when students went to bed each night was similarly important. Those who went to bed in the early hours of the morning performed poorly, even if the total sleep time was the same as a higher-performing student.

The research does not prove that sleep is the only component that helps improve academic performance. However, Grossman says the results are a strong indication that sleep really matters. Who knew getting A's just required some extra ZZZ's?

(1)、What's Grossman's original purpose by using the device in the research?
A、To improve students' sleep patterns. B、To regulate students' daily behaviour. C、To monitor students' physical condition. D、To find effects of physical exercise on grades.
(2)、What did Grossman think of the research result?
A、It was unexpected. B、It was changeable. C、It was unreliable. D、It was fruitless.
(3)、What plays a more important part in test performance?
A、Sleep in the learning stage. B、The average amount of sleep during tests. C、Sleep quality the night before a test. D、A regular bedtime.
(4)、What is a suitable title for the text?
A、Be Physically Active and Sleep More B、Enough Sleep Benefits Our Well-being C、Catch ZZZ's for Good Test Performance D、The More Exercise, the Better School-work
举一反三
阅读理解

    Black History Month is also known as the African-American History Month. It is celebrated all over the United States of America and Canada in the month of February, while in the United Kingdom it is celebrated in October. Each and every school and university conducts various activities to make the generation aware of the importance that African-American history holds in the nation. The electronic media is filled with themes inrelevance to the occasion, and many activities are carried out across the country to remember the contribution made by African-American citizens in the development of this nation.

    Black History Month was first started bya famous African-American historian Dr. Carter G. Woodson in the year 1926. February was chosen as the month to celebrate the African-American history because it was the birth month of two of the most highly valued people among African-Americans. These were President Abraham Lincoln, who freed the slaves, and Frederick Douglass, who was also the first vice presidential nominee (被任命者) amongAfrican-Americans. Initially, Black History Month was known as the “NegroHistory Week”. This was Dr. Woodson's attempt to encourage awareness amongcitizens about the contribution of African-Americans towards the building of the nation. It was only in the early 1970's that the name “Negro History Week”changed to “Black History Month”. And later, in the year 1976, the entire monthof February was declared to be the National African-American History Month, orthe Black History Month.

Every year, National African-AmericanHistory Month is celebrated by many activities with various ideas and themesfor the younger generation. In 2013, Black History Month celebrates the 50th anniversary of the March on Washington at which Martin Luther King, Jr. gavehis famous speech “I have a dream”. It also marks the 150th anniversary of the Emancipation Proclamation (解放黑奴宣言). The theme for Black History Month in 2014 is “Civil Rights in America” remembering the important milestones by African-Americans and others in the battle for civil rights and equaltreatment under the law.

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    For Zack, the shave was more than just a way to fund lifesaving research. It was a way to honor his late brother, Taylor Frink.

    Taylor, a volunteer firefighter in North Carolina, was killed in a car accident last September. Before his passing, Taylor was an eager supporter of St. Baldrick's. He went bald(秃头)for the cause in 2015, supporting kids with cancer and raising money to find cures.

    As a local hero, Taylor was beloved by the community. When he died, more than 1, 000 people attended his funeral to pay their respects. Zack looked up to his brother and this was the reason why he decided to become a junior firefighter himself. They did everything together. Zack remembers.

    Zack knew his brother had planned to shave again in 2016, so without hesitation he decided to fill his shoes and registered to shave at the local St. Baldrick's event in Kinston, N. C.

    “He was always goodhearted, and I want to make my brother proud,” shares Zack.

    As part of Zack's kindnesses, he raised more than $ 1,000 for the St. Baldrick's Foundation primarily by selling T-shirts he designed. Leading up to the event, Zack also visited his city council, commissioner's office and challenged the local official department to get involved.

    “We are not going to let Taylor's name be forgotten. That is what I love about St Baldrick's,” says Jean Culbreth, volunteer event organizer. “Zack gets it. He gets that what he is doing is keeping his brother's name alive.”

    The day finally came and Zack took his seat under the clippers (剪具), not only to honor his brother but to help kids with cancer. It was a special moment for all, and by the end of the day the event had raised more than $ 22,000!

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    Fireworks are exciting, but also hard to control. The Chinese artist Cai Guoqiang, though, has developed a way to harness the visual and physical power of fireworks to make art He recently used them to create a burning sculpture that stretched high into the sky. Guoqiang fittingly named the work Sky Ladder.

    Guoqiang built Sky Ladder by making a frame out of metal. He coated the frame with gunpowder, the main chemical material in fireworks.

    The artist tried one end of the frame to the ground and attached a large weather balloon to the other end. The balloon was filled with helium — a gas that is lighter than air. When released, the balloon floated upward, pulling the top of the ladder 500 meters into the sky. That's higher than the top of the Empire State Building.

    Guoqiang set fire to the bottom of the ladder, and the crackling(啪啪作响) flames raced skyward up the frame. The sculpture burned for two-and-a-half minutes before its flames began to die out from the bottom up.

    Dealing with explosive (炸药)is challenging, and conditions had to be perfect for Guoqiang to achieve his desired effect. He first attempted Sky Ladder in 1994, but bad weather prevented him from successfully completing the work. Guoqiang put Sky Ladder aside so that he could work on other projects, perhaps most famously the fireworks display that opened the 2008 Beijing Olympic Games.

    Finally, after two more failed attempts, Guoqiang successfully sent his flaming ladder skyward last year. He presented Sky Ladder in his hometown, a quiet fishing village near Huiyu Island, Quanzhou. He offered the work as a gift to his 100-year-old grandmother, other family members, his friends and his town.

    “Behind Sky Ladder lies a clear childhood dream of mine, "Guoqiang explains. “Despite all life's twists and turns, I have always been determined to realize it. The ladder rose toward the morning sun, carrying hope. For me, this not only means a return, but also the start of a new journey."

阅读理解

    Planning to get away? Think passport first

    If you're planning to get away from it all this year, you should think passport first. Checking you have a valid passport before you book your trip takes minutes but could save you the trouble and cost of not being able to go.

    Renewing (更新) your passport before it runs out

    You can renew your passport up to 9 months before it can no longer be legally used. So take the time now and save the tears later.

    Applying for a passport for the first time

    Our eligibility (资格) checks mean that it takes a minimum of one week to issue (颁发) a passport. So make sure you don't leave it to the last minute, and apply in plenty of time.

    Help with your application is just around the corner

    Selected Post Office branches and Worldchoice travel agents offer a Check and Send service that helps you with your application. It's convenient and you should receive your passport within 2 weeks.

    If you need to apply for or renew a passport, you can either:

    Pick up a Passport Application Form at Selected Post Office branches and Worldchoice travel agents.

    Or call the Application Form Request line on 0901 4700 100 or visit www.passport.gov.uk

    If your need is urgent, call 0870 521 0410 for an appointment at one of our offices. We can't guarantee to see customers without an appointment.

    From 14th January a guaranteed same day (passport renewals only) or one week service will be available from passport public counters.

    Calls will be charged 60p per minute and the cost per call should not normally be more than 90p.

    Calls are charged at national rates.

阅读理解

    For centuries, mankind and dogs have suffered from a communication failure. We can tell dogs what we want them to do and sometimes they comply, but we've always struggled when it comes to understanding the true meaning of their barks and whimpers. There is exciting news now – a dog translator has been invented to help you communicate with your furry friend.

    Researchers at North Carolina State University have fashioned some kind of miracle dog translator body harness(束腰带). What's special about it is that it doesn't just rely on the dog's vocalizations to interpret what Fido is banging on about.

    Oh no – this miracle harness reads and interprets the ordinary dogs' body language as well, giving us a full two-way dog communication experience.

    Researcher David Roberts says: "Dogs communicate primarily through body language, and one of our challenges was to develop sensors that tell us about their behavior by observing their posture remotely."

    Sensors on the harness monitor the dog's heart rate and body temperature and software builds up a vocabulary, letting the human know what the dog is feeling.

    What would dogs say if they could talk to us? The human can even communicate back through the harness thanks to vibration motors, supposedly by tapping into the dog's senses so that it can understand what you're trying to say to it.

    The dog harness is designed for dogs involved in search and rescue and other front-line work, but it's got us dreaming of a beautiful future, one where humans and dogs can co-exist as equals, with the dog able to fully express itself at all times.

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Top 4 Amusement Parks in the World

    It's summertime! That means parents have extra time to spend with their children, and what better way to engage in classic fun with family and friends than to visit an amusement park? Take a look at these fun choices — perfect summer trip ideas to fit every budget (预算).

    Cedar Point

    Tickets: $280 for adults, $120 for children

    Praising itself as the roller coaster capital of the world, Cedar Point's 18 coasters will ensure you're riding all day. Reader Alicia Goettemoeller describes the park as a "paradise for excited thrillers" while reader Nick Schuyler says it is "built for grown-up kids."

    Knoebels

    Tickets: $120 for adults, $10 for children

    This old-fashioned amusement park is a must for your old memory games as well as money saving - admittance and parking are free of charge. Reader Tracy Ginsburg Maier says "a family of 4 can enjoy special offer to eat, swim and ride all day for $100" at Knoebels.

    Kings Island

    Tickets: $340 for adults, $160 for children

    Kings Island is one of the most visited theme parks in the US, with more than 3 million visitors per year. The park is especially known for its family-friendly attractions, such as Snoopy Island. Tickets to the main park also include admission to the nearby water park, Boomerang Bay.

    Dells Water Parks

    Tickets: $140 for adults, $80 for children

Wisconsin Dells is a water park with dozens of indoor and outdoor water parks to spread around in. One of them, Noah's Ark, is the largest outdoor water park in the US. Many are open year-round and no charge for children under five.

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