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  • 题型:阅读理解 题类:常考题 难易度:普通

    阅读理解

        Last year I ruined my summer vacation by bringing along a modern convenience that was too convenient for my own good: the iPad. Instead of looking at nature, I checked my email. Instead of paddling a small boat, I followed my Twitter feed (推特简讯). Instead of reading great novels, I stuck to reading four newspapers each morning. I was behaving as if I were still in the office. My body was on vacation but my head wasn't.

        So this year I made up my mind to try something different: withdrawal (退出) from the Internet. I knew it wouldn't be easy, since I'm bad at self-control. But I was determined. I started by giving the iPad to my wife.

        The cellphone signal at our house was worse than in the past, making my attempts at cheating a frustrating experience. I was trapped, forced to go through with my plan. Largely cut off from e-mail, Twitter and my favorite newspaper websites, I had few ways to connect to the world except for radio and how much radio can one listen to, really? I had to do what I had planned to all along: read books.

        This experience has had a happy ending. With determination and the strong support of my wife, I won in my vacation struggle against the Internet, realizing finally that it was I, not the iPad, that was the problem. I knew I had won when we passed a Starbucks and my wife asked if I wanted to stop to use the Wi-Fi. “I don't need it,” I said.

        However, as we return to post -vacation life, a harder test begins: Can I continue when I'm back at work? There are times when the need to know what's being said right now is great. And I have no intention of giving up my convenience completely. But I hope to resist the temptation (诱惑) to check my e-mail every five minutes, which leads to checking my Twitter feed and a website or two.

        I think a vacation is supposed to help you reset your brain to become more productive. Here I hope this one worked.

    (1)What do we know about the author's last summer vacation?
    A . He was determined to enjoy the beautiful view. B . He felt satisfied that he had stuck to his usual timetable. C . He was regretful for acting as if he were at work on vacation. D . His iPad ruined his plan of finishing a great novel.
    【答案】
    (2)What did the author do to keep away from the Internet this year?
    A . He cut off his cellphone signal. B . He handed his iPad to his wife. C . He refused to cheat in his house. D . He listened to the radio most of the time.
    【答案】
    (3)When back at work, the author will probably choose to_______.
    A . continue to read more and more books B . stay away from the Internet for ever C . stop checking what is being said right now completely D . keep control of when and how to use the Internet
    【答案】
    (4)What is the author's opinion of a great vacation in the passage?
    A . A vacation means a change of pace to make one more creative and efficient. B . A vacation is a period of time to do whatever one wished to. C . A vacation is having nothing to do but read all day. D . A vacation proves that a life of pleasure is overvalued.
    【答案】
    (5)How does the author sound when telling the story?
    A . Curious. B . Anxious. C . Cautious. D . Humorous.
    【答案】
    【考点】
    【解析】
      

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  • 举一反三
    阅读理解

        It is bad to have food stuck between your teeth for long periods of time. This is because food attracts germs; germs produce acid, and acid hurts your teeth and gums. Flossing (使用牙线) helps to remove the food that gets stuck between your teeth. This explains why flossing helps to keep your mouth healthy, but some doctors say that flossing can also be good for your heart.

        It may seem strange that something you do for your teeth can have any effect on your heart. Doctors have come up with a few ideas about how flossing works to keep your heart healthy. One idea is that the germs that hurt your teeth can leave the mouth and travel into your blood.Germs that get into the blood can then attack your heart. Another idea is based on the fact that when there are too many germs in your mouth, the body tries to fight against there germs. For some reason, the way the body fights these mouth germs may end up weakening the heart overtime.

        Not every doctor agrees about these ideas. Some doctors think that the link between good flossing habits and good heart health is only a coincidence. The incidence (发生率) of two or more events is completely random, as they do not admit of any reliable cause and effect relationship between them. For example, every time I wash my car, it rains. This does not mean that when I wash my car, I somehow change the weather. This is only a coincidence. Similarly, some doctors think that people who have bad flossing habits just happen to also have heart problems, and people who have good flossing habits just happen to have healthy hearts.

        The theory that flossing your teeth helps to keep your heart healthy might not be true. But every doctor agrees that flossing is a great way to keep your teeth healthy. So even if flossing does not help your heart, it is true to help your teeth. This is enough of a reason for everyone to floss their teeth every day.

    阅读理解

        A year after graduation, I was offered a position teaching a writing class. Teaching was a profession I had never seriously considered, though several of my stories had been published. I accepted the job without hesitation, as it would allow me to wear a tie and go by the name of Mr. Davis. My father went by the same name, and I liked to imagine people getting the two of us confused. "Wait a minute," someone might say, "are you talking about Mr. Davis the retired man, or Mr. Davis the respectable scholar?"

        The position was offered at the last minute, and I was given two weeks to prepare, a period I spent searching for briefcase and standing before my full-length mirror, repeating the words, "Hello, class. I'm Mr. Davis." Sometimes I would give myself an aggressive voice. Sometimes I would sound experienced. But when the day eventually came, my nerves kicked in and the true Mr. Davis was there. I sounded not like a thoughtful professor, but rather a 12-year-old boy.

        I arrived in the classroom with paper cards designed in the shape of maple leaves. I had cut them myself out of orange construction paper. I saw nine students along a long table. I handed out the cards, and the students wrote down their names and fastened them to their breast pockets as I required.

        "All right then,'' I said." Okay, here we go." Then I opened my briefcase and realized that I had never thought beyond this moment. I had been thinking that the students would be the first to talk, offering their thoughts and opinions on the events of the day. I had imagined that I would sit at the edge of the desk, overlooking a forest of hands. Every student would shout. "Calm down, you'll all get your turn. One at a time, one at a time!"

        A terrible silence ruled the room, and seeing no other opinions, I asked the students to pull out their notebooks and write a brief essay related to the theme of deep disappointment.

    阅读理解

        Chinese retail giant Alibaba has developed a new automated(自动化的) vehicle which is easy to mass-produce and could serve a number of functions. These could include delivery messenger or automated coffee selling machine, it said.

        The Cainiao G Plus can travel at up to nine miles per hour, reports The Verge news site. It was showed at a conference where Alibaba founder Jack Ma announced a 100bn yuan ($15.5bn) would be put into smart logistics(物流).This includes devices such as warehouse robots as well as delivery aids.

        AI expert and author Calum Chace described the G Plus as being like the "ugly big brother" of a delivery project developed by UK firm Starship Technologies. Starship has been working on this project for several years, so the Alibaba project looks to be behind as well as ugly, he said. "But that won't matter. Anything to do with artificial intelligence is put in the first place for China, which has set itself the target of overtaking the US as world leader in AI by 2030".

        China benefits from having free access to large amounts of data, essential for training algorithms(算法), he added, probably a disadvantage in Europe since the introduction of GDPR law, designed to protect privacy.

        "Don't bet against the Chinese pulling ahead in any AI-related competition, be it self-driving cars, facial recognition, or delivery projects," Mr Chace said.

        The G Plus vehicle is fitted with solid state Lidar – the laser sensors which form an important part of the system autonomous vehicles use to be aware of their surroundings.

        Solid state Lidar is cheaper and easier to produce than the traditional system, which involves spinning multiple lasers in circles to help build up a 360-degree image of what surrounds the vehicle. There are various developers creating their own versions but essentially it uses fewer lasers and a tiny swinging mirror.

        Last month BMW said that its autonomous vehicles will be fitted with solid state Lidar when they will be launched in 2021.

    阅读理解

        Since the sex of a sea turtle(海龟)is determined by the heat of sand hatching the eggs, scientists had suspected they might see slightly more females. Climate change, after all, has driven sea temperatures higher, which, in these creatures, favors female children. They found female sea turtles from Raine Island, the Pacific Ocean's largest and most important green sea turtle living area, now outnumber males by at least 116 to 1. "This is extreme," says turtle scientist Camryn Allen.

        Biologist Michael Jensen wanted to know if climate change had already changed turtles' sexes. By using genetic(基因的) tests, he'd figured out that he could follow turtles of all ages. Still, his research data would lack an important detail: sex. Only after a turtle matures is it possible to tell its sex from the outside -- mature males have slightly longer tails. By then turtles can be decades old, so scientists often use Iaparoscopy(腹腔镜检查),sending a thin tube into each animal, but that's not so practical if you're hoping to examine hundreds of creatures. Fortunately, at a turtle conference, he met Allen, and all she needed was a little blood.

        They compared their results with temperature data for nesting beaches. What worries them is that Raine Island has been producing almost female turtles for at least 20 years. This is no small thing. More than 200,000 turtles come to nest there. During high season, 18,000 turtles may settle in at once. "But what happens in 20 years when there are no more males coming up as adults? Are there enough to maintain the population?" says Allen. They also found cooler beaches in the south are still producing males, but that in the north, it's almost entirely females hatching. These findings clearly point to the fact that climate change is changing many aspects of wildlife biology.

        But how widespread is this phenomenon -- and what is the consequence?

    阅读短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

        There are excellent reasons for anyone to seek out the optimistic. Optimists experience better health outcomes, live longer and are more satisfied with their relationships. Optimism enables people to hold on in the face of difficulty, while pessimism leaves them depressed and even expecting failure.

        I want that hopeful, optimistic outlook for my children. But many times we may feel pessimistic. The result of negativity makes me worry that my kids' future will be uncertain. Fortunately, research suggests ways to help our children grow up with an optimistic attitude and maintain a happier outlook ourselves.

        Humanity has improved by many measures, but that success has become the water in which we swim, and like fish, we take the water for granted. While we fail to notice the positive, our brains naturally emphasize on the negative. With practice, we can help our brains to give the good stuff equal weight. Dr. Hanson's advice: when you hear a great story or achieve something in your own life, deliberately rest your mind on that experience and stay with it. Sink into that feeling as it sinks into you. Describe what you're doing to your kids, and encourage them to dwell on their joys and pleasures as well.

        Following the "big scary" news can leave us feeling helpless. Find something in your area that makes you feel hopeful, and make it a part of your family life. Researchers found that when people with a pessimistic outlook use positive language to describe situations they find upsetting, their feelings about the situation become more positive. That's something we can try at home.

        Raising optimistic kids is hard because it demands that parents abandon the pessimistic perspective that's the easiest response to pessimistic times. Put your energy into making sure you and your family are a part of the world around you. That might mean simply joining and being part of local clubs that feed our natural human need for connection (not of the digital kind).

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