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题型:阅读理解 题类:常考题 难易度:普通

外研版(2019)高中英语必修一Unit 3同步练习

阅读理解

    Susan couldn't help it. She and her friends began lunch with cheese. Then they ate cheeseburgers and drank milk. Things seemed fine, but then suddenly Susan's stomach started making noise. Her stomach hurt, and, racing to the restroom, she had terrible gas! She was so ashamed. She had been so excited to go to lunch with her friends that she totally forgot to watch how many dairy products (奶制品) she ate! Susan is lactose intolerant (乳糖不耐受的), and eating too many dairy foods can make her feel really sick.

    Lactose intolerance means that the body can't easily digest (消化) a special sugar called lactose. Unfortunately for Susan and millions of other people with this problem, lactose is found in almost all dairy products — cheese, milk and ice cream.

    Our body uses lactase (乳糖酵素) to break lactose into a simpler form of sugar. Once lactose is broken down, it's easy to digest and it provides great energy for the body. But people like Susan don't have enough lactase to break down all the lactose they take in. So, about half an hour to two hours after eating dairy­rich foods, their stomachs begin to hurt and they have gas, making their stomachs get bigger. Sometimes they even get diarrhea (腹泻) when they eat too many dairy foods.

    So how can someone living with this problem still eat out with his or her friends? Here are some tips. If you're going to eat a dairy­rich food like ice cream, eat something that doesn't have any dairy with it, like a salad or a sandwich without cheese. This will help slow digestion, and your body will have time to create more lactase.

(1)、What can cause lactose intolerance?
A、A shortage of lactose. B、Eating too little sugar. C、Slow digestion of dairy products. D、Poor digestion of any food you eat.
(2)、What do we know about lactose?
A、It is found in almost all foods. B、It is very necessary for the body. C、It is hard for some people to break down. D、It changes its form once it is in the body.
(3)、What is a result of lactose intolerance?
A、The headache. B、The stomachache. C、The feeling of hunger. D、The feeling of tiredness.
(4)、What would be the best advice for Susan?
A、Enjoy eating dairy­rich foods. B、Avoid eating out with her friends. C、Take digestion pills to speed up digestion. D、Eat dairy­free and diary­rich foods together.
举一反三
阅读理解

    New York Time—A gunman killed eight people at a mall in Omaha this afternoon and then killed himself, setting off panic among holiday shoppers, the police said.

    "The person who we believe to be the shooter has died from self-inflicted gunshot wounds," Sergeant Teresa Negron of the Omaha Police Department said at televised news." We have been able to clear the mall," she said." We don't believe we have any other shooters." The police said that at least five other people had been injured in the shootings.

    She did not give the shooter's identity." We are still conducting the investigation," Sergeant Negron said, adding that the city's mayor, who was out of town, was on his way back to Omaha.

    She said the police received a 911 call from someone inside the Westroads Mall on the west side of Omaha, and shots could be heard in the background. The first police officers arrived at the mall six minutes after the first call, she said but by then the shootings were over.

    It is reported that the gunman left a suicide note that was found at his home by relatives. A law enforcement official who spoke on condition of anonymity(匿名)said the note indicated that the gunman wanted to "go out in style."

    The shootings broke the usually ordinary routine of holiday shopping. The gunman was said by some witnesses to have fired about 20 shots into a crowd. Some customers and workers ran screaming from the mall, while others dived into dressing rooms to hide from the shooter.

    Shoppers and store workers were trapped inside the mall, which has roughly 135 stores. Others streamed out of mall exits with their hands raised. President Bush was in Omaha this morning to deliver a speech, but he had left the city by the time the shootings took place.

根据短文内容,请将单词填写在题号对应的横线上。

阅读理解

    Stress is an inevitable part of a busy and modern life. Time and time again, we see people feeling overwhelmed because of stress. But after years of being dosed up by doctors and seeking solutions on the self-help shelves, can most common complaints be cured through your next holiday? The festival doctor will see you now.

    Complaint

    Prescription(处方)

    Dosage(剂量)

    Guilty

    Restart yourself at the Wanderlust Festival

    A weekend at any Wanderlust Festival should restrain some of the shame you are feeling. Empty your mind with meditation (冥想) sessions in the mountains of America or adjust your feelings with a sound bath in Santiago, Chile.

    Sad

    A healthy dose of laughter at Just for Laughs in Montreal, Canada in July.

Have fun at the largest comedy festival, which attracts more than two million ha-ha hunters every summer. Apart from 250 comedy acts, there will be walkabout theater ,circus acts and lots of new comedy films to make you laugh to tears.

    Over- thinking

    Get nourishing food for your thought at the U.K.'s How the Light Gets In in May.

    Spend a week or so in the company of like-minded individuals and you will see you are not the only one over-thinking things. The world's largest philosophy festival, held in Hareous Wye, will have talks, debates and classes on culture, philosophy, politics, art and science.

    Heart-broken

    Find one of your favorite fish in the sea at Ireland's Matchmaking Festival in June.

    A week at Liverpool's Matchmaking Festival could be a choice as Ireland's mythical matchmakers have been pairing lovers together for centuries. Try to find Willie Dally, a fourth-generation matchmaker, for your best chance of everlasting love. Those who touch his lucky book are said to fall in love and marry within six months.

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Reasons to visit St.Louis

Whether you're traveling alone, with a friend or with the whole family, there's a nearly endless selection of activities you'll want to experience—so many that it's hard to decide where to go first.

Missouri Botanical Garden

    You could easily spend an entire day making your way through the 79 acres(英亩)on display here. The gardens also boast(以拥有……而自豪) seasonal exhibits, such as the summer Lantern Festival—taking place through July—that showcases beautiful works of light each year.

4344 Shaw Blvd, 314-577-5100, missouribotanicalgarden. org.

St. Louis Art Museum Free

    There are more than 33,000 works on display here, including the recent addition of 225 donated pieces of feature work by American artists and more than 200 pieces from Asia. The museum is free, and special exhibits are free on Fridays.

    I Fine Arts Drive, 314-721-0072, slam. Org
St. Louis Science Center Free

    With a wealth of displays to keep kids and adults alike entertained and learning all day, the center boasts an impressive 700 hands-on exhibits, including a fossil dig site, water tables in the discovery room, electrical energy demonstrations, and cyber activities.

    5050 Oakland Ave, 314-289-4400, slsc.org

St. Louis Zoo Free (Free for some attractions)

    The zoo includes beautiful naturalistic displays and boasts plenty of activities to keep kids excited, from feeding exhibitions and safaris(游猎), to sea lion shows and conservation talks.

    One Government Drive, 314-781-0900, stlzoo.org.

阅读理解

    To fight for the conservation of forest ecosystem, several ecologists including Daniel Janzen convinced Del Oro, an orange juice producer, to donate part of their forestland to a national park. In return, Del Oro was allowed to throw large amounts of waste in the form of orange peels (皮) on a 3-hectare piece of land within the national park at no cost. Dealing with tons of leftover peels usually involved burning them or paying to have them poured into a landfill, so the proposal was very attractive.

    But a year later, another juice company challenged the deal in court, arguing that their competitor was “polluting a national park”. They ended up winning, and the deal between Del Oro and the national park fell through.

    Then in 2013, while discussing possible research avenues with Timothy Treuer, Daniel Janzen mentioned the orange story. Feeling interested, Treuer decided to stop by that piece of land that had been covered with fruit waste 15 years earlier. What he found shocked him.

    “While I would walk over exposed rock and dead grass in the nearby fields, I'd have to climb through undergrowth and cut paths through walls of vines (藤) in the orange peel site itself.” said Timothy Treuer.

    Treuer and his team spent months picking up samples (样品), analyzing and comparing them. They found great differences between the areas covered with orange peels and those that were not. The area with orange waste had richer soil.

    The effect that the orange peels had on the land is probably not that surprising to people familiar with composting (施肥), but what is really shocking is that a judge actually thought the waste of orange “mined” a national park and stopped it from going forward. Now that Timothy Treuer's study has received worldwide attention, this type of “ruining” is being seriously considered as a way of bringing forests back to life.

阅读理解

    A Canadian woman who lost her diamond ring 13 years ago while cleaning her garden on the family farm is wearing it proudly again after her daughter-in-law pulled it from the ground or a carrot.

    Mary Grams, 84, said she can't believe the lucky carrot actually grew through and around the diamond ring she had long given up hope of finding. She said she never told her husband, Norman, that she lost the ring, but only told her son. Her husband died five years ago.

    "I feel glad and happy," Grams said this week. "I grew into the carrot. I feel it amazing."

    Her daughter-in-law, Calleen Daley, found the ring while getting carrots in for supper with her dog Billy at the farm near Armena, Alberta, where Grams used to live. The farm has been in the family for 105 years. Daley said while she was pulling the carrots and noticed one of them looked strange. She almost fed it to her dog bu decided to keep it when she was washing; the carrots she noticed the ring and spoke to her husband, Grams'son, about what she had found.

    They quickly called Grams. "I told her we found her ring in the garden. She couldn't believe it, "Daley said." It was so strange that the carrot grew perfectly through that ring."

    Grams said she wanted to try the ring on again after so many years. With her family looking on, she washed the ring with a little soap to get the dirt off. It moved on her finger as easily as I did when her husband gave it to her.

    "We were laughing," she said. "It fits. After so many years it still fits perfectly."

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