You probably already know that exercise can help you lose weight and stay fit.However，it has a lot of other good effects （影響），too.Are you healthy and fit？Even if you are，there are several reasons that you should exercise.
First，exercise can give you energy.When you are tired during the day and you can't study or work，don't take a nap （小睡）.Take a walk or go for a run instead.Researchers looked at 70 different studies about exercise and tiredness.In the studies，people who didn't exercise started to exercise regularly.As a result，they felt less tired.They didn't feel tired during the day.Over 90 percent of the studies showed the same results：regular exercise increased energy and reduced tiredness.
Second，exercise can help you sleep better.It's important to get enough sleep.Lack （缺少） of sleep is one of the main causes of stress.Exercising raises your body temperature.Your temperature goes back to normal about five to six hours after you exercise.You become sleepy at this point because the drop in temperature tells your body that it's time to sleep.
Also，exercise can reduce stress and anxiety.Do you ever feel nervous or stressed？Working out for 20 minutes can make you feel calm.How？When you exercise，you have to focus on your body，so you can't think about your stressful thoughts.In addition，when you exercise，your body creates a special chemical.This chemical can help your brain react to stress.
Finally，studies show that exercise is good for your brain，especially your memory.Exercising makes your body create new cells in a part of the brain called the hippocampus （海馬體）.Memory and learning happen in the hippocampus.Because of this increase in cells，exercising can improve your memory and make it easier to learn new things.
Regular exercise can improve your life in so many ways.It can make you feel better，look better，and do more.So why are you sitting there reading？Go out and exercise!
（1）What is the writer's main purpose of writing this passage？ DD
A．To introduce some new studies about exercise.
B．To describe how exercise can change the life.
C．To help some people to learn how to stay fit.
D．To advise more people to take regular exercise.
（2）How does the writer organize Paragraph 4？ BB
A．By telling a story and making a summary.
B．By asking questions and giving reasons.
C．By showing opinions and sharing a saying.
D．By listing numbers and giving examples.
（3）What is one of the good effects of exercise according to Paragraph 5？ CC
A．Winning the first place a test.
B．Keeping in a good physical health.
C．Improving memory and learn easily.
D．Looking pretty with a good appearance.
（4）Which of the following shows the structure of the passage？ BB
A． |
B． |
C． |
D． |
【考點】記敘文；衛(wèi)生與健康．
【答案】D；B；C；B
【解答】
【點評】
聲明：本試題解析著作權屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復制發(fā)布。
發(fā)布：2024/5/27 14:0:0組卷：7引用：2難度：0.5
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2．A man was sick and tired of going to work every day and his wife stayed home.He thought it was unfair so he wanted her to see what he went through.He prayed one day： "I go to work every day and work very hard for eight hours（1）
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