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People who walk briskly（迅速地） for two and a half hours a week have a 25 percent lower risk of depression，according to a study.Researchers from Cambridge University found that physical activity in line with government guidelines was also linked to better mental health.Their paper，published in JAMA Psychiatry，found that even those who managed half the recommended amount had an 18 percent lower risk of depression than those who did nothing.
   Dr Matt Pearce，first author on the paper，said，"The key message of the paper is that risk of depression is substantially lower for individuals who are physically active，and that most of these lower benefits occur at levels below the current health recommendations.Physical activity should therefore be encouraged to improve mental health even in inactive individuals who struggle to reach current recommendations."
   The research combined data from 15 earlier studies，with 191，130 participants，all looking at the relationship between depression and physical activity.Since the study was observational in nature，it cannot prove a cause-and-effect relationship.
   The researchers found"only minor additional benefits"to mental health when people were physically active beyond the recommended levels.Professor James Woodcock，a senior author on the paper，said，"There are two key features of this relationship：firstly，that the biggest difference in the risk of depression was seen when comparing those reporting no activity with those reporting a small amount"."Even ten minutes a day appears to make a big difference.Secondly，that there appear to be minimal additional benefits of doing high volumes of activity."
   The researchers said there were likely to be multiple reasons for their findings，including exercise activating certain networks in the brain and body，releasing feelgood hormones called endorphins（內(nèi)啡肽）.Besides，people who are physically active usually sleep better，a key component of protecting your mental health.It might also be that improvements to individuals' body image from being more active，and increases in social interaction during activity played a role.Getting out in green spaces was another likely factor to boost mood，with many studies linking the use of green spaces and lower depression risks.

（1）What did the researchers from Cambridge University discover？
A
A

A．Physical activity can reduce depression.
B．Brisk walking should be recommended.
C．Doing exercise can boost overall health.
D．Moderation is the key in physical activity.
（2）How did the researchers draw the conclusion？
B
B

A．By repeating 15 earlier experiments.
B．By analyzing data from 15 previous studies.
C．By proving the cause-and-effect relationship.
D．By collecting data from 191，130 participants.
（3）Which of the following statements would Professor James Woodcock agree with？
A
A

A．A small amount of physical activity can work wonders.
B．Extra physical activity might do harm to people's health.
C．It is highly recommended to take high volumes of exercise.
D．A 10-minute workout every day brings the biggest difference.
（4）What can we learn from the last paragraph？
B
B

A．Endorphins activate certain parts in the brain.
B．Green spaces are helpful in lifting one's spirits.
C．Stable mental health can improve sleep quality.
D．Improved body image increases social interaction.

【考點(diǎn)】說(shuō)明文；健康．

【答案】A；B；A；B

【解答】

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發(fā)布：2024/6/21 8:0:10組卷：1引用：2難度：0.5

相似題

1．Animals are natural resources that people have wasted all through our history.
   Animals have been killed for their fur and feathers，for food，for sport，and simply because they were in the way.Thousands of kinds of animals have disappeared from the earth forever.Hundreds more are on the danger list today.About 170 kinds in the United States alone are considered in danger.
   Why should people care？Because we need animals.And because once they are gone，there will never be any more.
   Animals are more than beautiful or interesting or a source of food.Every animal has its place in the balance of nature.Destroying one kind of animal can create many problems.
   For example，when farmers killed large numbers of hawks（鷹），the farmers' stores of corn and grain were destroyed by mice.Why？Because hawks eat mice．With no hawks to keep down their numbers，the mice multiplied quickly.
   Luckily，some people are working to help save the animals.Some groups raise money to let people know about the problem.And they try to get the governments to pass laws protecting animals in danger.
   Quite a few countries have passed laws.These laws forbid the killing of any animal or plant on the danger list.Slowly，the number of some animals in danger is growing.

（1）What is the best title for the passage？

A．Save the Animals
B．Useful Animals
C．Laws for Animals
D．Animals in Danger
（2）Animals are important to us mainly because

.
A．they give us a source of food
B．they are beautiful and lovely
C．they keep the balance of nature
D．they give us a lot of pleasure
（3）What is the meaning of the underlined word "multiplied" in the passage？

A．Became more.
B．Became less.
C．Turned black.
D．Ate food.
（4）We can infer from the passage that

.
A．people have known the importance of animal protection since a long time ago
B．a(chǎn)nimals play an important role in people's life
C．the number of hawks is on the decrease
D．many countries passed laws forbidding the killing of any animal
發(fā)布：2024/11/15 4:0:1組卷：10引用：2難度：0.5
解析
2．If you are a teenager without a job，you probably do not have much extra money.Sometimes parents will give their children a weekly pocket money for doing small housework，but it is often not enough once the children grow into teenagers and want to do things with their friends all of the time.How to make money is an important thing for teens to learn.If you're wondering how a teenager can make good money，some ideas might be：
   Getting a part-time job at a local restaurant or store is always a sure way to make money as a teen.But getting a job somewhere like this might be hard，considering many jobs in local stores are being taken by adults more and more often.Babysitting is always a good way to make money as a teenager，and finding jobs as a babysitter is often easier than finding a job in a store.
   Doing landscaping（綠化） is something that most adults do not like to do，and teens can usually find jobs around their neighborhood doing the landscaping of friends and family.
   Some teens are good at something such as writing or photography.These teens can make money by doing things such as writing articles for newspapers or magazines or selling their photos online.
   Teens who live in a country area can earn money by helping out on farms，or they can try raising their own animals such as chickens，and selling them or their products.
   Looking for jobs can seem hard at first，but if you have a try，it should not be too hard to find a job or way to make money.

（1）What problem do teenagers have to face when finding a job in local stores？

A．Low pay.
B．Heavy work
C．Long working hours.
D．Competition with grown-ups.
（2）Which of the following is easier for teens who live in a country if they want to earn extra money？

A．Babysitting.
B．Doing landscaping.
C．Selling photos online.
D．Raising animals.
（3）What can we learn from the text？

A．Most grown-ups hate doing landscaping.
B．Getting a part-time job is hard for teens.
C．Pocket money from parents is often enough for teens.
D．Looking after babies is easier than serving customers in a restaurant.
（4）What can be the best title for the text？

A．The Necessary Skills to Make Money
B．How Important Is Money to a Teenager？
C．How Can a Teenager Make Extra Money？
D．Teenagers Should Depend on Themselves
發(fā)布：2024/11/15 8:30:3組卷：0引用：1難度：0.5
解析

3．Why Experiencing a New Culture Is Good for You Often the best way to really explore a new place and culture is by spending abundant time there.A quick vacation may give you a glimpse（警） into your destination. （1）

.These opportunities provide a support network as you adjust to new surroundings.
   Dealing with culture shock
   Culture shock is a response to your new surroundings when abroad that can leave you confused，anxious and feeling lonely.It generally includes frustration at how even the simplest things can be different in the new culture.The thing is though，culture shock can be seen as a problem but also as an opportunity. （2）

.
   （3）

   Perhaps the most obvious lesson learned with travel is the importance of language.Even just learning the basics of the local language can make getting about and making new friends easier.Trying to overcome the language barrier also teaches you about non-verbal communication.Since you can't rely on what is being said，you learn to adapt，to people's tone and body language.This makes you a better communicator.
   Finding inspiration
   （4）

.In each of these creative fields you may come across new approaches or elements that you bring home with you；maybe it's a certain combination of ingredients that you add to your cooking or a new style you adopt for your own home's design.
   Meeting new people
   Meeting people and making friends while overseas is both a necessity and one of the most enjoyable aspects of the experience. （5）

，which enables you to meet people that you never would have known otherwise.You may be exposed to people from different walks of life，find a similar spirit，or both at the same time.

A．Learning language skills
B．Developing body language
C．So you're less likely to further experience a new culture
D．Travelling to new cultures is a great way to expand your social circle
E．Experiencing the local culture can expose you to local art，cuisine，architecture，etc.
F．Only by adjusting to and accepting new surroundings can you understand and appreciate it
G．But experiences like student or work exchange programs allow you to immerse（沉浸） in a new culture

發(fā)布：2024/11/15 5:0:1組卷：5引用：3難度：0.5

解析

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