It might be fun to use your smartphone, but be careful. Too much screen time may be harmful to your health.
First, it is bad for your eyes. A researcher called Sarah Hinkley says the problem comes from the blue light that the screen gives out. Looking at a smartphone for a long time can cause eye strain (眼疲劳), headaches and dry eyes. So it is a good idea to take a break every 15 minutes when you are working at a computer or using a smartphone.
Second, screen use can do harm to children’s brains. A new study shows that using screens too much can affect how children’s brains grow. If children use screens for more than one hour a day, they might have lower levels of white matter in their brains. White matter is key to the development of language and reading skills. So it is wise to cut down the tie of children using all kinds of screens.
Third, using screens too much will influence your sleep. According to a study, about 95% of the people between the ages of 13 and 64 use electronics before bed; especially the young people under 20. Doctors say that the light from those electronics at night may make you excited before you go to bed. Then it’s hard for you to get enough sleep. So you’d better turn off smartphones, TVs, and all other screens an hour before your bedtime.
To keep healthy, doctors and researchers strongly advise that you shouldn’t use screens for long hours.
1. The blue light from your screens can cause ________.| A．eye strain | B．headaches |
| C．dry eyes | D．all of the above |
| A．take a break every 15 minutes | B．have lower levels of white matter |
| C．use screens too much before bedtime | D．are the people from 13 to 64 |
A． | B． | C． | D． |
| A．The ways to keep healthy. | B．The harm of using screens too much. |
| C．The ways to use screens. | D．The advantages of using screens. |
相似题推荐
【推荐1】People all love watching fireworks. But let’s stop and think about the price we pay for just a few minutes of excitement.
First, the amount of money we spend on fireworks is too much. The excitement is gone in a moment. What we really are doing is burning money. Yet, year after year, thousands of cities and towns spend our tax (税) dollars on firework shows. Those tax dollars would be put into much better use feeding the hungry and housing the homeless.
Second, there is the matter of pollution. Fireworks have chemicals (化学品) that are harmful to people and animals. Over the years, these chemicals will pollute the air we breathe and the water we drink.
Third, let’s consider the rubbish left behind after a firework show. What a mess! We would expect that those who set off the fireworks would pick up the rubbish afterwards. But they don’t. The mess they leave behind shows the kind of attitude (态度) many people have towards our environment.
__________ Some fireworks can hurt your hearing, especially the fireworks used in public shows that give off a big BANG. Hearing loss costs too much to pay for. Besides all the safety warnings, we still see hurts and deaths as a result of fireworks. About 10,000 Americans are hurt every year by fireworks. According to the Council on Fireworks Safety, children from the ages of five to fourteen are the ones most often hurt. Those sparklers (烟花棒) that seem so harmless cause 10% of the hurts.
In my opinion, all fireworks should be stopped selling. Public firework shows should be paid for through volunteer money, not tax dollars. Finally, those people playing with firework shows should be responsible for cleaning up the mess they make.
1. What does the underlined word “they” in Paragraph 4 refer to?| A．Those people who set off the fireworks. |
| B．Those people who pick up the rubbish. |
| C．Those people who care about the environment. |
| D．Those people who breathe the polluted air and drink the polluted water. |
| A．Fourth, fireworks are dangerous. | B．Fourth, hearing is important to us. |
| C．Fourth, fireworks are too expensive. | D．Fourth, there are too many kinds of fireworks. |
| A．Public firework shows should be paid for by tax dollars. |
| B．The money people spend on fireworks should be better spent helping others. |
| C．Hearing loss is a small price to pay for the excitement that fireworks provide. |
| D．A small number of harmful chemicals in fireworks are nothing to be worried about. |
| A．To talk about firework safety. | B．To express opinions on fireworks. |
| C．To describe different kinds of fireworks. | D．To talk about noise during firework shows. |
Daniel  I like going back to school in September. I live a few miles away from my friends at school. I have to ride a bike to see them. I often have no one to hang out with in summer vacation. Another good thing about going back this year is that I’ve chosen the subjects I’m interested in. |
Mark  I don’t like the end of the summer holidays. After six weeks of freedom, life goes back to homework and I have to get up early. I can’t even sit next to my friends in class. The teachers say we talked too much. The only good thing is the school sport, because I miss playing football during the summer. |
Helen  It’s difficult to believe how quickly the summers go by. When I was a kid the holidays seemed like forever. However, it’s not like that now. As a head teacher, I have a lot of school things to think about before September arrives —I can’t totally enjoy myself! |
John  Going back to work in September will be good. I feel I’ve had a good break and am looking forward to seeing the kids again. I teach Year Two— six and seven -year-olds, which is a really nice age. They’re sweet kids. |
1. Who lives a few miles away from his friends at school?
| A．Mark. | B．John. | C．Daniel. | D．Helen. |
| A．Riding a bike . | B．Seeing the kids. |
| C．Getting up early. | D．Playing football. |
| A．Year One. | B．Year Two. | C．Year Eight. | D．Year Nine. |
【推荐3】The Spring Festival is a time for children to receive lucky money. Do you think parents should look after their children’s lucky money? Here, some middle school students are sharing their ideas.
○ Tian Yun said, “Lucky money should be kept by parents because children generally don’t have much experience with money and are likely to form the habit of splashing out.” She thinks they can’t control themselves when they see things they like. So when they graduate from high school, they can manage their money.
○ In Wang Xin’s opinion, it is too difficult for young children to manage their money wisely as there are so many distractions (干扰) outside. With a lot of money, they may be cheated by bad persons, which will make them get into troubles.
○ However, Hou Yi thinks children should be free to spend their lucky money because it’s a good chance to develop their money management skills. Children will be able to learn how to use their money properly. What parents should do is to guide them correctly.
○ When it comes to Cui Han’s idea, children should be trusted to manage their money. According to the latest Civil Code(《民法典》), 8 years old is a dividing line. That means children over 8 have the right to deal with their own money. They won’t depend on their parents too much.
1. What do the underlined words “splashing out” probably mean?| A．Saving money. | B．Raising money for others. |
| C．Lending money to others. | D．Spending money like running water. |
①Tian Yun ②Wang Xin ③Hou Yi ④Cui Han
a. Children may be cheated if they have a lot of money.
b. Children older than eight can manage their money.
c. Parents can guide children to spend money correctly.
d. Children can manage their money after graduation.
| A．①-a; ②-d; ③-b; ④-c | B．①-d; ②-a; ③-c; ④-b |
| C．①-d; ②-b; ③-a; ④-c | D．①-a; ②-c; ③-d; ④-b |
| A．Health and medicine. | B．Family and society. |
| C．Nature and environment. | D．Science and technology. |
Many times we need to write the invitation.
Here’s all of the information you need to write on your party invitation. By showing all of the facts about your party, guests will feel easier to make decisions.
The first thing you should put on your invitation is the names of the party hosts. Your invitation should show the type of the party to the persons that you want to invite.
Clearly write the date of your party, with both date (日期) and day of the week.
| A．All the guests should be on time. |
| B．The next thing you should write on your invitation is the place where the party will be held. |
| C．They will be clear about if they can accept it or they have to turn it down. |
| D．You’ll want your guests to reply to your invitation as soon as possible. |
| E．But do you know how to write a right invitation? |
| F．After checking the calendar, the guests will know if they are available on that day. |
【推荐2】What color of wearing do you like? Do you know “dopamine dressing (多巴胺穿搭)”? It’s one of the most talked about fashion trends (时尚趋势) for 2023. However, is there any science behind this?
“Dopamine dressing” came out from the book Dress Your Best Life. American fashion psychologist (心理学家), Dawnn Karen wrote this book in 2020. In the book, dopamine dressing is about wearing colorful clothing to get more dopamine.
Dopamine is a chemical in our brain. This kind of chemical makes people feel good. Our brain gives it out when we eat delicious food, play with our pets, listen to our favorite songs, after we exercise or when we win a game.
According to Science Focus Magazine, there are studies that show a relationship between the colors of the clothes we wear and how we act and feel. One study found that wearing red can bring better physical performance. ________ One more study showed that wearing green can help people relax because it is the color of nature. Yellow, the color of summer and warmth, can bring people happiness. But there are some problems with these studies, as people from different cultures have different ideas about dressing and colors.
In a word, “dopamine dressing” shows that we can wear colorful clothes to get more dopamine and feel good. Dressing is more than just a trend. It’s also a way of showing ourselves. So, next time you’re getting dressed, think about which colors will bring out your best self.
1. How does the writer start the passage?| A．By giving examples. | B．By listing numbers. |
| C．By asking questions. | D．By using old sayings. |
| A．When we study for a test. | B．While we’re lying in bed. |
| C．While we’re playing with dogs. | D．When we eat something terrible. |
| A．Scientists are afraid to let others know the study results. |
| B．It also showed bright colors can make people feel active. |
| C．In this way, people won’t feel too hot in such hot weather. |
| D．People would like to share their different ideas about dressing. |
A． | B． | C． | D． |
| A．Fashion Trends for 2023 | B．Secrets of Personal Expression |
| C．The Truth of Different Dressing Cultures | D．The Science Behind Dopamine Dressing |
【推荐3】Everyone lives in social groups from the day we were born. In a family, there are parents and relatives. In the school, there are teachers and classmates. At work, there are teammates(队友) and leaders.
Often, some small things may led to misunderstandings(误会), and then the relationship between each other may get worse and worse. However, if we can stand in others’ shoes, we may understand the other’s feelings, and then things will be better. So how to treat and deal with the relationship correctly becomes more important.
In society, understanding other people can help us see and understand situations in a different way. Learning some basic skills can help us understand each other better. Understanding others is influenced(被影响) by several things—feelings, tiredness and illness. This means that if a person is happy, he’ll be more willing to help and understand others. But if a person feels angry, he is less likely to want to understand other people.
Listening is one of the best ways to a better understanding. If someone is talking, listen carefully. This will make him or her feel good. He or she is more likely to share the problems with you. Sometimes, we only care our individual opinions, so we think everything we say is correct. No matter what others say, we just refuse to listen. As a result, you won’t accept each other.
No mater what kind of roles we are in society, when having different opinions or meeting difficulties, we should keep cool to think about the situation we’re facing. Every small act can build good social connections and make us have a better understanding of each other.
1. Which is one of the best ways to a better understanding?| A．Talking loudly. | B．Communicating less. |
| C．Refusing directly. | D．Listening carefully. |
| A．important | B．personal | C．interesting | D．bad |
| A．People should care more about the important things in life. |
| B．Small misunderstandings may not lead to worse relationship. |
| C．We should keep cool when facing difficulties or meeting different opinions. |
| D．If a person feels angry, he is more likely to want to understand other people. |
