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Many children think mobile phones are cool. They come in fun colours and let you talk with a friend anytime and anywhere. In the US, more than 90 million people use mobile phones. Many of those people are children. For children, mobile phones are more than phone calls. They are fashionable. Most mobile phone users don’t think about the health problems caused by mobile phones. Some scientists say that mobile phones give off radiation (辐射) that might be bad for users.

One recent study shows that mobile phone radiation might raise a person’s chance of getting some kinds of cancer (癌症). Other scientists say mobile phones don’t threaten people’s health. They say that they have not found any link (联系) between mobile phone use and cancer. Scientists say that people can protect themselves from mobile phone radiation. One way is to use a headset (耳机). Or people can make shorter calls.

【小题1】Many children like using mobile phones to __________.
A.show offB.communicate
C.talk with someone in a faraway placeD.play with electronic things
【小题2】Many of the mobile phone users in the US are __________.
A.girlsB.boysC.scientistsD.children
【小题3】Which of the following sentences is TRUE?
A.All scientists think mobile phones are bad for users.
B.Some scientists think mobile phones are bad for users.
C.Mobile phones are only good to grown-up.
D.Mobile phones are only bad for children.
【小题4】The underlined words “give off” in the passage means __________ in Chinese.
A.发出B.放弃C.拒绝D.传播
【小题5】To protect themselves from radiation, people can _______.
A.talk longer on the phoneB.use a headsetC.talk less on the phoneD.both B and C
19-20七年级上·全国·单元测试
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Bad days happen to many of us. Something makes us sad, angry, frustrated or disappointed. But you still have to get up and go to work. Everything others say to you sounds stupid. Everyone seems to annoy you. Luckily, you can do something about it. Here are some ways to turn around a bad day.

Accept your bad mood.

Being in a bad mood is not that hard. If you’re mad, be mad. If you’re sad, be sad. This does not give you the license to be rude and unpleasant to others. It just means that you need to recognize and accept your bad mood to be able to do something.

Tell others you can try to keep your bad mood a secret and put on your happy mask. But you’re fooling nobody. The best thing to do is to tell the people you work closely with. Simply tell them “Listen, I’m in a really bad mood today. I’m not sure why, but it has nothing to do with you. If I bite your head off, I apologize in advance.”

Remember the good.

Spend a few moments to try thinking of at least one or two things that aren’t all bad: something you look forward to, such as a person you like at work or something nice that happened recently.

Take some quiet time.

Take a walk in your lunch break. Sit and work somewhere quiet. Take a long bathroom break. Consider going home early or taking the day off.

【小题1】If you’re in a bad mood, you should ________.
A.be rudeB.be unhappyC.accept itD.be angry
【小题2】The underlined phrase “bite your head off” means “________” in Chinese.
A.咬掉你的脑袋B.对你发脾气C.不理你D.和你打架
【小题3】The passage mainly tells us________.
A.how to get along with othersB.how to deal with the bad mood
C.everyone has bad daysD.bad days are not bad

Do you know what to do when a fire happens?

If you can see smoke in the house, stay low to the ground. You’ll breathe less smoke if you stay close to the ground. Running out through a door should be your first choice, and ask your parents about windows if they would be possible escape routes. Even windows on a higher floor could be safe if you had help, like from a firefighter.

Ask your parents to teach you how to open the windows. Make sure you only do this in special time! Lots of kids are hurt because they fall out of windows. Sometimes, families have ladders(梯子). If you have one, ask your mom or dad to show you how to use it.

It’s common to worry about your pets or a favourite toy, but if there is a fire, you have to leave them behind. Once you’re out, do not go back in for anything—even pets. You can tell the firefighters about the pets and they may help you.

【小题1】Why should we stay low to the ground if there’s smoke in the house?
A.There is less smoke.B.There is more smoke.
C.There is less fire.D.There is more fire.
【小题2】If a fire happens, first we should choose to _________.
A.stay in the roomB.run out through a door
C.cry loudlyD.keep silent
【小题3】We can choose to jump off a window when _________.
A.someone helps us
B.we see the smoke
C.we have pets
D.there’re no people on the street
【小题4】Which of the following is WRONG?
A.Many kids hurt themselves when they fall out of the windows.
B.We should come back to the room to get our toys.
C.Our parents can teach us to use ladders.
D.It’s important to get out safely first.
【小题5】What is the passage about?
A.How to stop a fire?
B.How to protect ourselves from a fire?
C.How to get help from others?
D.How a fire happens?
阅读下面短文,从短文后所给的选项中选出可以填入空白处的最佳选项(选项中有两项为多余选项)。

Everyone has their own personality traits (性格特点), but you may think some are not good for your growth. Of course, you can change yourself for the better if you want.

Face up to your faults (缺点). 【小题1】 Think about it carefully and write down the traits, like the ones that always get you into trouble. You can also ask a friend or a family member for help.

When you are talking with someone who knows you well, ask them what they think your faults are. Other people may help you see yourself more clearly. They can sometimes see some of your faults that you don’t know.


【小题2】 There must be someone you look up to in real life. Maybe they are hosts, writers, doctors or scientists. Try reading stories or watching videos about these people. This can help you find out the personality traits that they have and that you would like to have.

Put your ideas into practice. You can get started after you decide on the traits you want to change. But if you try to change many personality traits at once, you won’t be able to focus on (集中精力于) any of them. 【小题3】 To have a good beginning, you can start with easier ones.

Be patient. 【小题4】 It can take months or years for your new personality traits to really feel like you. But if you practice them long enough, you’ll make it in the end. Keep moving forward and don’t give up!

A.Make sure they are famous.
B.It’s not easy to form a new habit.
C.What personality traits do you admire?
D.Find people whom you want to learn from.
E.So, work on just one or two traits at first and leave the others for later.
F.Which of your personality traits stop you from living the life you want?

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