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题型:阅读理解 题类:模拟题 难易度:普通

2017届甘肃省天水市第一中学高三下学期第三次诊断考试英语试卷

阅读理解

    How long has 3-D technology been around? Most of us might think of crowds of teenagers in a 1950's movie house watching Bwana Devil in 3-D. But 3-D technology made its first appearance on the scene in 1838 with the first stereoscope(体视镜). And the first actual 3-D movie was a 1903 film called Le Ariveed'un Train.

    Although it has such a long history, the technology has still remained based on one simple principle—to make 3-D effects you must find a way to project two slightly different pictures to each eye. Modern 3-D technology works by rapidly flickering(闪动)two versions of the movie and projecting them onto each eye. The brain does the rest of the work, combining the two pictures together into one and giving the show the appearance of depth, the third dimension.

    But does this exposure, especially long exposures, cause harm to the child's developing brain and visual system? Unfortunately, long-term studies on new flicker digital 3-D technology and children aren't yet available. We do not know if regular or daily 3-D viewing over years affects the developing visual system, although older 3-D methods basically do the same thing and are not considered harmful.

    The question of possible harm in modern 3-D use in TV is really based on two facts: the amount of time children will now be watching 3-D TV each day and the sensitivity some children show in reaction to 3-D viewing. It is difficult to make actual lab studies of longer term 3-D viewing in children because of the possible harm of the experiment. Researchers will have to wait until 3-D TV technology is already in the marketplace for a number of years, then check heavy 3-D TV watchers and compare them with non-watchers.

    With a 3-D television technology in the home, we will soon be able to answer the question of whether or not longer and more frequent periods of 3-D exposure cause more changes in the visual system. We may find that the bigger problem is the introduction of a new technology that leads to even more time spent on TV rather than playing outdoors.

(1)、According to the text, 3-D technology ______

A、was refused by people when it first appeared. B、will soon change the way we watch TV. C、does no good to our visual system. D、has a history of nearly 200 years.
(2)、Paragraph 2 is mainly about________

A、how 3-D technology works. B、why 3-D movies are popular C、the history of 3-D technology. D、the influence of 3-D technology.
(3)、What's the method suggested in paragraph 4?

A、To wait and see B、To carry out lab studies C、To stop making 3-D movies D、To improve 3-D technology
(4)、The author's purpose in writing the text is to _______

A、ask children not to watch 3-D movies B、discuss if 3-D viewing is harmful to children. C、introduce the advantages of 3-D technology. D、predict the development of 3-D technology.
举一反三
阅读理解

    The British economy is showing the greatest signs of stress since the Eurozone crisis and fears of a double-dip recession(衰退)six years ago, as worrying reports show the steepest fall in manufacturing(制造业)output and the greatest degrees of pessimism among employers since 2012. Concerns over Brexit(英国脱欧)and a slowdown for high street spending are among the major factors contributing towards 2018 being the worst time in six years for British firms planning to take on new staff, according to a closely watched survey conducted by the employment firm ManpowerGroup.

    Watched by the Bank of England and the government for early warnings of hiring increases or downturns, the quarterly poll(季度民意调查)of about 2,000 major employers from nine different industry sectors across the UK found a net balance of only 4% planning to hire more staff rather than cutting back.

    The weakest outlook from the survey was reserved for the banking and finance industry, which recorded the worst outlook since the depths of the financial crisis almost a decade ago, suggesting job cuts may be on the way over the summer.

    The barometer(晴雨表)of hiring sentiment comes as Britain's factories unexpectedly recorded the sharpest drop in output for more than five years in April. Pointing to fewer orders for steel used in infrastructure(基础设施)projects and a wider slowdown in demand for British goods at home and abroad, the Office for National Statistics said manufacturing output fell by 1.4% in April from the previous month. Economists had forecast modest growth of 0.3%.

    Although the situation does not appear to be as severe this year, forecasts issued by the National Institute of Economic and Social Research on Monday suggest the UK has done little to bounce back from heavy snowfall earlier in 2018. Putting the growth rate for GDP at only 0.2% in the three-month period to May, up from 0.1% in the same period ending in April, Niesr's head of UK macroeconomic forecasting, Amit Kara, said: “Economic growth has slowed materially since the start of this year and it continues to remain weak.”

阅读理解

    People seem to have a natural need for friends and with good reason, friends increase your enjoyment of life and relieve feelings of loneliness. They even can help reduce stress and improve your health. Having good friends is especially helpful when you are going through any kind of hard time such as when you are experiencing anxiety, panic(恐慌) attacks, or depression.

    When you are with good friends, you feel good about yourself, and you are glad to be with them. A friends is someone who—

●you like, respect, and trust, and who likes, expects and trusts you, doesn't always understand you, but accepts and likes you as you are, even as you grow and change, allows you the space to change, grow, make decisions, and even make mistakes.

●listens to you and shares with you both the good times and the bad times.

●respects your need for secrets, so you can tell them anything.

●lets you freely express your feelings and emotions without judging, laughing at or criticizing you.

●accepts the limitations you have put on yourself and helps you to remove them.

    A person once said. "Friendship is a continuing source of bonding(连接),releasing, and creating in yourself and with the other person, there is an emotional bond between the two people."

    A good friend or supporter may or may not be the same age or the same sex as you, and may not have the same educational, cultural, or religious background, or share interests that are similar to yours. Friendships also have different depths(深度). Some are closer to the heart and some more superficial, but they're all useful and good.

阅读理解

    Counterfeit(假的) medicines are a widespread problem in developing countries. Like other counterfeits, they look like real products. But counterfeit drugs may contain too little or none of the active ingredients of the real thing.

    People do not get the medicine they need. And in some cases, counterfeits cause death. Twenty children in Bangladesh died last year after being given acetaminophen(对乙酰氨基酚).The medications contained ingredients that looked, smelled and tasted like the real thing. The medicine was produced by a local drug company that used a dangerous substitute to save money.

The problem of counterfeit medicines is especially serious in Africa, Asia and Latin America. The WHO estimates that up to thirty percent of medicines on sale in many of those countries are counterfeit. The problem is less widespread among industrialized countries. The WHO says counterfeits make up less than one percent of the illegal drug market in countries like the United States, Canada, Japan and New Zealand.

    But the agency also says as much as fifty percent of the medicine sold on the Internet is counterfeit.

    Much is being done to fight counterfeit drugs. Several companies are developing ways to make counterfeits easier to identify. And there are existing methods, like a machine that can quickly identify chemicals in pills to confirm if the pills are real. Other ideas include things like special tracking codes for drug packages. People could send a text message with the code and get a message back, which proves that what they bought is listed in a database. Some drug makers and other companies put three-dimensional images called holograms(全息图)on their products as a security device.

阅读理解

    October might seem to be pumpkin month in the U.S. The holiday of Halloween (万圣节) comes on October 31. Americans around the country are already using social media to show off their pumpkin growing and carving skills.

    Pumpkins are round, orange fruits related to squashes (南瓜小果) and gourds (葫芦). People use their flesh and seeds for food, but they are also popular decorations in the fall.

    Two big pumpkins recently made headlines in the U.S. A farmer in the northeastern state of Rhode Island broke the record for the largest pumpkin ever grown in North America. Richard Wallace's pumpkin weighed 1,026 kilograms. It broke his son's record from 2015. Ron Wallace's pumpkin only weighed 1,011 kilograms last year. A schoolteacher in the northwestern state of Washington brought her large pumpkin to an event in California. Her pumpkin was the champion, weighing 866 kilograms. It turns out that Cindy Tobeck's pumpkin grew from one of the seeds from Ron Wallace's pumpkin from 2015.

    While those pumpkins are large, they are still not the largest in the world. According to the website BigPumpkins.com, Richard Wallace's pumpkin is only the second-heaviest pumpkin of the year. A man in Belgium produced a pumpkin that weighed almost 1,200 kilograms. Smithsonian magazine wrote a story about people who try to grow large pumpkins. In 35 years, the size of record pumpkins has grown from about 225 kilograms to over 1,000 kilograms. Pumpkin farmers trying to grow record fruits are taking the seeds of champion pumpkins from one year and breeding them with other large pumpkins.

    But people are not just growing pumpkins. They are carving them, too. One Twitter user from Britain recently posted a photo of a pumpkin designed to look like U.S. presidential candidate Donald Trump. No word of a Hillary Clinton pumpkin design. But one pumpkin farmer in California allows visitors to shoot small pumpkins out of a cannon(大炮). The targets? Large paper cut-outs of both Trump and Clinton.

阅读理解

Craziest Food Festivals sounds like a joke topic, but once you start looking into it, you'll realize they're everywhere—the crazier, the better.

    ⒈Bibimbap Festival

    In the South Korean town of Jeonjuloves, their “mixed rice” dish is a hearty serve of rice topped with raw beef, a rainbow of vegetables, a raw egg and gochujang sauce (韩国的辣椒酱) so much. They take four days out of October to celebrate it.

    Like any festival there's music, entertainment and magic, but making it that little bit different is the bibimbap that's whipped (搅拌) up in a big bowl by dozens of chefs and served to over 400 people.

    ⒉Waikiki Spam Jam (怀基基午餐肉节)

    Who knew this canned meat had so much love? Well, it turns out that a can of Spam is the go-to item in Hawaii, along with a grass skirt and garland (花环). The people of Hawaii love Spam so much that they even spend a day in May serving out the best Spam, a type of cheap canned meat made mainly from pork.

    ⒊Bessieres Easter Egg Festival

    At Easter time, for those in the French town of Bessieres it's all about an egg far less sweet.

    Here they celebrate the holiday by getting dozens of chefs to make one large omelette (煎蛋卷) - 15,000 eggs strong - for the townsfolk (市民).

    ⒋Potato Days Festival

    This festival actually takes place in Barnesville, Minnesota(明尼苏达州), the US. Over the last Friday and Saturday in August the town celebrates its potato-growing skills by hosting potato picking and peeling contests, as well as a Miss Tater Tot pageant (盛典) for five-and six-year-old girls.

阅读理解

Open water swimming

    I had only swum in open water a few times, and always in gentle lakes, so I wasn't prepared for how rough Lake Windermere appeared on a cold day. A swimmer told me the water felt colder than it had been measured, and that the water was a bit rough. But I, along with 10,000 others, was about to complete the challenge.

    Most of the people taking part were doing a one-mile race, and 10 races were planned over the weekend. There seemed to be a mix of open-water enthusiasts alongside complete beginners—which is precisely the aim of the swims, to get as many people as possible completing their own challenge. The oldest woman competing was 77, taking part in the two-mile race, alongside a man who last year had swum in every one-mile race.

    I had chosen the third one-mile race of the day. There were over 600 people in my race. We were taken through an acclimatization area  a children's paddling pool-sized part of the lake where we moved in to feel how cold the water was. "Not too bad" was everyone's thought! Then we headed out towards the middle of the lake.

    We'd been warned that the first 100 metres would be really rough. However, somewhere near the 750m mark I was still waiting for the calm; it felt more like swimming in the sea than a lake. I tried to focus on my breathing and technique, and just keep going. As I approached the 400m-to-go mark my lower right leg became painful. I recalled overhearing people talking about how they kept swimming through the pain, so I tried. But it didn't work. I began to feel the entire leg tight and painful. I didn't want to stop, so I bent my right knee and just kicked with the left leg.

    Finally I saw the finishing post, and I just concentrated on getting there—still one-legged. My finishing time was 38 minutes 25 seconds but that didn't matter—the atmosphere was fantastic and everyone felt a sense of achievement, whatever their time. I'm hooked, and want to give it another go. I've already signed up for my next open-water swim.

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