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题型:阅读理解-阅读单选 难度:0.65 引用次数:54 题号:19337303

Most schools ban chewing gum, but in a few years they might consider changing that rule. Why? Scientists are finding evidence that gum chewing may be good for your health. It may even help boost your test scores.

This exciting research is just beginning. And in the meantime, companies are also experimenting with adding vitamins, minerals, medicines, and other substances that could give gum the power to cure headaches and fight everything from serious diseases to bad breath. Many studies have shown that chewing gum after meals can stimulate the production of saliva (唾液). Saliva helps wash away bacteria (细菌) that damage our teeth.

Nutritionist Gil Leveille, executive director of the Wrigley Science Institute, says that chewing gum might also be good for your brain. One Japanese study of nine participants, found that chewing gum boosted the flow of blood to participants’ brains by up to 40 percent. Blood carries oxygen, which fuels brain cells.

Other small studies have found that people perform better on memory tests while chewing gum. And a study in the United Kingdom found that people who chewed gum while memorizing a list of words did about 25 percent better at recalling those words than people who didn’t chew gum.

“It certainly makes sense,” Leveille says, “that increased blood flow would be related to increased alertness.”

“Additional studies, with longer follow-up, are needed to confirm that chewing gum has benefits, ”he adds. So far, results of studies about memory have been mixed. What’s more, many of the studies that show gum’s benefits are funded by gum companies. “Too much chewing can damage the jaw joint,” warns Gayl Canfield, a researcher at the Pritikin Longevity Centre. “What’s more, no matter how healthy gum chewing proves to be,” she adds, “it will never be a match for a healthy lifestyle.”

1. What is the new finding of chewing gums?
A.It is beneficial to our teeth.B.It can boost our test scores rapidly.
C.It can cure various diseases.D.It may benefit people’s health.
2. What is Leveille’s attitude to the benefits of chewing gums?
A.Negative.B.Uncertain.C.Objective.D.Supportive.
3. How may chewing gums benefit brain?
A.Gums contain vitamins good for brain.
B.Chewing gums promotes blood flow in brain.
C.Chewing gums may improve people’s memory.
D.Gums may kill bacteria that damage brain cells.
4. Which of the following is a suitable title for the text?
A.New Findings in HealthB.Chewing for Your Health
C.Protecting Teeth with GumsD.Gums Boosting Test Scores

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阅读理解-七选五(约270词) | 适中 (0.65)
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文章大意:这是一篇说明文。文章主要介绍了一些可以保持健康的习惯。

【推荐1】In high school, it’s important to stay healthy.     1     How can you study well if you are sick? So you should pay attention to your health in order to study well in high school. In order to enjoy good health, you should have some good habits. Here are some tips for you.

Drink water regularly every day. Some students don’t like drinking water. They only drink water when they are extremely thirsty.     2     You should drink water regularly so that your body and brain can function well. Avoid sports drinks and soda when you’re thirsty. They are not good for your health.

    3     Some students don’t eat three meals a day. No matter what happens, you shouldn’t skip any meal of the day. Eating regularly helps keep your metabolism high and keeps your energy up. It’s especially important to eat a good breakfast every day with protein, carbohydrates, and fiber to set up your body for the day of activity. If you don’t eat, how can you stay focused in class?

Eat the right foods. Some students eat whatever they can get. This is wrong.     4     Choose whole grains like rice and wholewheat flour. Skip muffins, donuts, and other processed foods. Instead, choose whole grains, fruits and vegetables.

    5     If you do that, you can get distracted. Therefore, you may not pay attention to how much you are eating. You may eat too much. Eating too much harms your health. And you may gain too much weight because of it. Try to eat slowly so your brain sends the right signals to tell your stomach that it’s full.

A.Don’t get meals.
B.This is bad for your health.
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2022-04-29更新 | 77次组卷
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【推荐2】How to deal with stress

Stress is a negative reaction that the body has to various factors and events. It is often caused by poor health and then leads to various health problems. However, frequent emotional stresses may cause chronic (慢性的) stress.    1    

Introduce sports into your life.

If you are often stressed and not exercising, this is the very sign to start exercising.    2    They think that only a heavyweight gym and a personal trainer are effective. But this is certainly not the case and there are plenty of ways to introduce exercise into your everyday life in an enjoyable way.

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Not many people are able to completely give up a cup of coffee in the morning or a glass of wine after a long day at work, but everything should be taken properly. Get rid of the habit of drinking coffee several times a day and drinking a bit too much with friends at every given opportunity — the result will change your mental and physical state in countless ways.

Observe your sleep patterns.

If flowing a good seeping schedule makes it so easy to avoid stress, then why do so few people do it? It’s simple: people often think they are in good condition and if they manage to get through the day with minimal seep they will repeat this unhealthy behavior. Get into the habit of waking up and going to bed at almost the same time, leaving you feeling well-rested and balanced for the day ahead.    4    


Don’t take up other people’s problems.

    5    After all, you want to deal with your own problem, you don’t need to become the personal psychologist of every friend and colleague and take on their pains. It is important to remember your mental health is important. By burying yourself in problems and not taking time to yourself, you increase the probability of suffering from negative stress.

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【推荐3】One in four of us at some point will experience mental health problems. It is therefore not only possible, but probable that either you or someone will struggle with your mental health at some point in your life.     1     One of these important factors is work. The following is about how you can speak to your boss about how work is affecting your mental health and possible solutions.

Insight, honesty and denial are arguably the biggest barrier that persons must overcome. Before you can have an honest, and transparent conversation with your boss, you need to have that conversation with yourself. Unfortunately, despite progress over recent years in reducing mental health related stigma (羞耻) online, the reality is that stigma continues to thrive. Moreover, far too many of us continue to internalize (内在化) that stigma and direct it towards ourselves.     2    

We need to accept that we might be struggling with our mental health and that work might be contributing to this. We need to educate ourselves about what the signs are of common mental disorders. Are you feeling more depressed or low in mood than usual?     3     Do you experience difficulty in breathing? If so, you might be suffering from a mental health condition, and I would urge you to arrange an appointment with your doctor, who can assess your mental state further and diagnose you.

    4     By this I mean what is your employer’s approach to mental and physical health? Now that you have prepared yourself, it’s time to have that honest, and transparent conversation with your boss.     5     You can explore what options are available including sick leave, phased return to work, and what support services are available. It might be that simple adjustments and adaptations at the workplace will resolve these issues.

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