Nothing sounds better than a swim on a hot summer day.However，many teens，including some who are good swimmers drown each year.When someone is drowning，it's often silent and happens very quickly. （1）BB.Here are some tips on how to prevent drowning when you go for a swim.Never swim alone- even for a moment.You should go swimming with adults and make sure that they are able to keep you safe. （2）DD.
Enter the water carefully and feet first.Go in feet first so that you can know how deep the water is.Diving into unsafe water can lead to serious injuries.
（3）CC.
Take some time to stretch your body before you enter the water.Get your body prepared and safety will surely follow.
Learn lifesaving skills. （4）FF.CPR is one of the lifesaving skills that can help others who are near drowning.
Choose swimming areas carefully.（5）EE.Choose the areas with safety facilities and lifeguards.
Remember：in case of emergency，it's always important to call for help first!All in all，keep swimming safety in mind when you are in and around the water.
| A.Do body exercise B.But it can be prevented C.Warm up before swimming D.It's important to have an adult nearby watch for danger E.Don't go to the swimming areas that you don't know well F.Many schools and training centers now offer classes to learn these skills |
【考點】人與社會．
【答案】B；D；C；F；E
【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：2024/4/20 14:35:0組卷：1引用：1難度：0.4
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3．Do your eyes jump a few times a second over a period of time？A jumping eye can happen to anybody at any time.There are several reasons for a jumping eye.Let's have a look at it!
Tiredness
Not getting enough sleep or working for too long without rest may cause our eyes to complain.Scientists aren't sure why，but they've found that getting more rest will make our eyes feel better.（1）
Dry eyes
More and more people work office jobs.（2）This unhealthy way of life can lead to dry eye syndrome（DES干眼癥）.When our eyes are too dry，they can't help jumping to keep them wet.To stay away from DES，you can use eye drops if you use the computer for more than seven hours a day.（3）
Stress（壓力）
This is the most important reason for a jumping eye.It does harm（傷害） to our eyes if it lasts for too long.（4）To solve the problem，we can see our friends or relax ourselves to reduce（減少） the stress that might lead to jumping eyes.
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