题目内容

Sore necks are very common these days. How to avoid a sore neck? Here are the things you should know.

• Take precautions(预防措施)after an unusual activity. Many people report having a pain in their necks after doing something that they don't often do, such as a new exercise or packing and moving.

If you know you've done something that puts you at risk, massage(按摩)your neck, do it with different exercises and take a warm bath before bed.

• Make sure your workstation is correct. If you work long hours at a desk, you may want to make sure that your work environment is set up to be the most relaxing Make sure that your body is being treated right.

Keep your feet on the floor. This will often depend on how high your chair is, so adjust(调整)it in time to achieve good results.

• Change your posture often. Sitting in one position for long periods of time is not healthy. Sit with your back straight for most of the time. Take a 5-minute break if you can and walk around every hour.

• Exercise. Find something—swimming, running or climbing-that makes you excited and feel alive. Make it into a usual way. Your body will feel better and your mind will feel more relaxed.

1.In Paragraph 5,the underlined word "it" refers to(指) .

A.the desk B.the chair C.your neck D.your body

2. can avoid a sore neck according to the passage.

A.Making your work environment be quiet B.Sitting with back straight for a moment

C.Packing and moving for a long time D.Exercising often like swimming or running

3.After doing something unusual, you may do the following things except

A.doing it with different exercises B.massaging your neck

C.taking a warm bath before bed D.looking at your phone for too long

4.This passage mainly tells us

A.how to do exercise well B.exercising often is good for people

C.how to avoid a sore neck D.being healthy is the most important

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We are often told to pay attention to what our mothers tell us. Most of us enjoy listening to our mothers speak. Scientists have found that compared(和……相比较) to other people's voices, our brains greatly prefer the voices of our own mothers.

Scientists at Stanford University, US, recently studied this. They scanned children's brains while they were listening to different sounds, including their mothers' voices. They found that 97 percent of the time, children could recognize(认出) their mothers' voices at once.

Hearing their mothers' voices makes children's brains more active. We usually just use one part of our brain to deal with sounds when we hear something. But when we hear our mothers' voices, many parts of the brain, including those in charge of(负责) reward(奖赏) and emotion(情感), start to work as well.

Why do we respond(作出反应) so strongly to our mothers' voices? It starts even before we're born. When children are still in the womb(子宫) or have just been born, they hear their mothers talking. This makes babies feel comfortable and teaches them language and social skills, even though they are still very young. The babies learn to recognize their mothers' voices as rewarding(奖励性的) sound. Later, when this sound is heard again, more attention is paid to it.

Some sounds are necessary for our survival(生存) or bring us pleasure. These sounds are recognized by our brains as rewarding sounds. Most human voices are not recognized in this way, since we hear them so often. But mothers' voices are different. They bring us a lot of comfort.

1.What is the story mainly about?

A.Why we should listen carefully to our mothers. B.Why we prefer to hear our mothers’ voices.

C.How we recognize our mothers voices. D.How we respond to different kinds of sounds.

2.What will happen when children hear their mothers’ voices?

A.Many parts of their brains become active. B.They will need time to recognize the voices.

C.Their language skills start to improve. D.They will remember some bedtime stories.

3.According to Paragraph 4, why do children pay more attention to their mothers voices?

A.Because they can recognize their voices quickly.

B.Because their voices make them more comfortable.

C.Because they can get a reward for doing so.

D.Because they can get love from their mothers.

4.When can we respond to our mothers’ voices?

A.When we’re born. B.Before we’re born. C.When we grow up. D.When we’re young.

5.Where can we read the passage?

A.In a history book. B.In a fashion magazine. C.In a science magazine. D.In a morning newspaper.

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