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题型:阅读理解-单选 难度:0.65 引用次数:144 题号:12147273

Clothes are traditionally made of natural materials, such as cotton, leather and wool. They are all from plants or animals, but that doesn't mean they're friendly to the earth. For example, farmers have to use a lot of chemicals to grow cotton plants.

Scientists are now looking for new ways to make clothing materials. They hope the new materials are both comfortable and good for the earth. Scientists have worked out how to make materials out of corn husks(玉米皮), chicken feathers and rice straws.

"They used to be useless things. We always have a problem of how to deal with them," Yang, a scientist says, "Now, we can turn them into beautiful materials. Chicken feathers are better than other things. They have small air pockets like honeycombs. That means it will be very warm if you use them to make a jacket or sweater, and I think more and more people will like to buy these kinds of clothes."

1. Clothes are traditionally made of _________.
A.natural materialsB.chicken featherC.rice strawsD.corn husks
2. What are the things that the scientists are using to make new clothing materials?
A.Leather and corn husks.B.Leather and rice straws.
C.Corn husks and rice straws.D.Rice and chicken feathers.
3. What does the underlined word "honeycomb" in Paragraph 3 mean in Chinese?
A.鸟巢B.蜂窝C.渔网D.梳子
4. According to the passage, chicken feathers are better than other materials because they are ________.
A.lightB.cheapC.cleanD.warm
5. What's the best title of this passage?
A.New Clothing MaterialsB.New ClothesC.Natural MaterialsD.Clothes

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【推荐1】Many of us have this experience: a piece of music keeps playing in our heads when we are awake. It turns out this can happen during sleep as well. And it can cause problems in getting to sleep and staying asleep.

“Our brains continue to process (处理) music even when none is playing, including while we are asleep,” said the neuroscientist (神经系统科学家) Michael Scullin. His research team interviewed 199 people and made a sleep test on 50 volunteers. They wanted to find out how listening to music, especially listening to earworms, before bedtime influenced our sleep.

In the survey, people who listened to music during the day were more likely to report nighttime earworms. That then had a bad influence on their sleep quality through the night.

For the lab test, volunteers were played several earworms and then their sleep quality was tested. Earworms were reported throughout the night. They needed longer time to fall asleep and woke up more times during the night.

“We thought that people would have earworms at bedtime when they were trying to fall asleep, but we certainly didn’t know people would repeatedly wake up from sleep with an earworm,” says Michael. “But we saw that in both the interview and the test.”

People used to believe that listening to music could help them have a better sleep, because it can relax the body. But Michael and his team suggested that it might be worse for our sleep—that even after the music stops, our brains continue to process it for several hours.

Michael suggested avoiding listening to music right before bed to limit the chance of a song taking hold in our minds. “Doing some other activities, like making a list of jobs for the next day, might help clear the mind,” Michael said.

1. Michael and his team did the research to find out ________.
A.how our brains process musicB.why nighttime earworms happen
C.the influence of bad sleep on our healthD.the influence of earworms on our sleep
2. What was the new discovery about listening to earworms in the research?
A.It would make people stay up late.
B.It would make people unable to fall asleep.
C.It would make people wake up more often at night.
D.It would make people have earworms before bedtime.
3. Which of the following is correct according to the last two paragraphs?
A.Listening to music before going to bed is good for health.
B.The more we listen to music, the better sleep we may have.
C.People can do some sports to relax the body before sleeping.
D.Making a to-do list before bedtime can help clear our minds.
4. What’s the purpose of the passage?
A.To help readers improve sleep quality.B.To tell readers about the recent research.
C.To ask readers to stop listening to music.D.To explain to readers what earworms are.
2024-05-25更新 | 43次组卷
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【推荐2】Robots seem very new to most people. But they have a long history. The first one was made by a Greek inventor. You may have seen robots in some films. The robots in these films are stronger, faster and cleverer than people. In real life, most robots are used in factories. They are used to do many dangerous, difficult or boring jobs. Some people can’t look after themselves and robots are used to help them. For example, some people can’t see. Many of these people use a dog to help themselves move around. This dog is called a guide dog. Scientists are making a robot to help them. In the future, robot dogs might take the place of these guide dogs.

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In one example, the beaks of some kinds of Australian parrots (鹦鹉) have grown 4 to 10 percent larger. The study says it has a lot to do with the hotter summer over the years. There are other similar examples. Wood mice have longer tails and bats (蝙蝠) in warm climates have bigger wings.

Although the changes are still small, they could be common as the weather becomes hotter. “Body parts like ears may become bigger, so we might be able to see a real Dumbo (big-eared elephant from a Disney cartoon) in the near future,” Ryding told the reporters.

根据语篇内容,选择最佳选项。
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