Are you carrying too much on your back to school？You're not alone.Back experts （專家） in the United States are worried that young students are having back and neck problems as a result of carrying too much in their schoolbags.
"It hurts my back when I run，" said Oberlin Reyes，a student in Virginia. "It's hard to go up the stairs with my schoolbag，because it's too heavy."
Oberlin is among students whose schoolbags were weighed for a week in a recent study.
They had regular schoolbags with two straps （帶子） to carry them，but a number of students with heavy loads had switched to rolling schoolbags （which have wheels and can roll on the ground）.
Shirley Park，whose schoolbag weighed 10 kilograms，said she changed to a rolling schoolbag because she was starting to have back pain.
How much is too much？Experts say students should carry no more than 10 to 15 percent of their own body weight.
A few students had one suggestion to lighten the load：Less homework.
（1）Students in America carry too much on their back to school，don't they？
Yes，they do.Yes，they do.
（2）What problems may cause when students carry too much in the schoolbags ？
It may cause back and neck problems.It may cause back and neck problems.
（3）Why did Shirley Park switch regular schoolbags to a rolling schoolbag ？
Because she was starting to have back pain.Because she was starting to have back pain.
（4）What does the expression "switched to" in Paragraph 4 perhaps mean？
It means "changed to".It means "changed to".
（5）According to the experts，If a student weighs 40 kilograms，how many kilograms can he carry a schoolbag at most ？
6 kilograms.6 kilograms.
（6）What are your suggestions to lighten the load？ （At least 2 suggestions）
Student can put some books in their own book shelves at school.Student can finish some homework at school.Student can put some books in their own book shelves at school.Student can finish some homework at school.
【答案】Yes，they do.；It may cause back and neck problems.；Because she was starting to have back pain.；It means "changed to".；6 kilograms.；Student can put some books in their own book shelves at school.Student can finish some homework at school.
【解答】
【點(diǎn)評(píng)】
聲明：本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有，未經(jīng)書面同意，不得復(fù)制發(fā)布。
發(fā)布：2024/10/10 8:0:2組卷：3引用：1難度：0.6
相似題
-
1．The 2022 Hangzhou Asian Games has been put off and will be held from September 23 to October 8，2023.It will be a good chance for Chinese to watch some games during the National Day holiday.If you'd like to watch games in Hangzhou，here are some rules for you.
閱讀以上材料，根據(jù)其內(nèi)容回答其后各個(gè)小題。
ArcherySit at the back or on either side of the field.
Keep quiet during the match.Turn off your cellphone or keep it silent.
Do not use the flash on your camera or your phone.
When the athletes are trying to shoot the target（射擊靶子），keep your voice down.
BasketballYou cannot bring drinks in glass bottles.
Keep the cheers down at important moments.Do not use the camera flash.
If you easily get nervous，bring some snacks.Keep your mouth moving to calm you down.
▲Audience（觀眾）should keep off the track（跑道）.Control your pets.
Athletes might look tired and thirsty，but do not hand them water or anything else.
If an athlete falls，do not touch or help him.
（1）When will the 2022 Hangzhou Asian Games begin？
A．On September 8，2023.
B．On September 23，2023.
C．On October 8，2023.
D．On October 23，2023.
（2）What does the underlined word"flash"mean in Chinese？
A．閃光燈
B．外殼
C．屏幕
D．鏡片
（3）What would be the most suitable to replace ▲in the picture？
A．Football.
B．Running.
C．Roller skating.
D．Cycling.
（4）Which of the following is TRUE according to the passage？
A．You can use the camera flash during the basketball game.
B．You should hand the athletes water when they feel thirsty.
C．You shouldn't shout loudly when watching the archery game.
D．You can't eat anything when you're watching the basketball game.
（5）What is the passage mainly about？
A．Some most popular games.
B．Introduction to some games.
C．The best time to watch games.
D．Rules for watching some games.發(fā)布：2024/12/27 18:30:2組卷：11引用：4難度：0.5 -
2．It can take you a day out to Singapore（新加坡） because of the plane.Singapore is one of the most beautiful（1）
in Asia.There are lots of visitors（2）to the country every year.But were you there years ago？Great changes have（3）in the country.For many Chinese tourists，this small island country in（4）Asia is a wonderful place to take a （5）.On one hand，more than three（6）of people are Chinese.（7）you can simply（8）Chinese with most of the local people.On the other hand，Singapore is an English-speaking country，so it is also a good place to（9）your English.
Did you ever try Chinese food outside China？Maybe you are afraid that won't be able to find anything to eat in a foreign country.In Singapore however，you'll find a lot of （10）from China；you won't have any problem（11）rice，noodles，or dumplings.However，if you're feeling brave，Singapore is an excellent place（12）new food.Whatever you like Indian food，Western food，or Japanese food，you'll find it all in Singapore.
One great thing about Singapore is that the temperature is almost the same all year（13）.You needn't wear （14）clothes（15）it is warm in all the seasons.（1） A．countries B．country C．cities D．city （2） A．visiting B．traveling C．living D．reaching （3） A．took place B．takes place C．take place D．taken place （4） A．Northeast B．Northwest C．Southeast D．Southwest （5） A．bus B．photo C．holiday D．look （6） A．members B．quarters C．halves D．thousands （7） A．So B．Because C．Although D．But （8） A．say B．speak C．talk D．tell （9） A．practice B．protect C．listen D．provide （10） A．drinks B．meat C．food D．fruit （11） A．find B．finding C．to find D．found （12） A．try B．to try C．trying D．tried （13） A．most B．fast C．long D．round （14） A．thick B．thin C．cool D．cold （15） A．because of B．because C．instead of D．instead 發(fā)布：2025/1/5 12:0:4組卷：6引用：1難度：0.5 -
3．
Here are five ways for teens to improve their ability to balance their emotions（情緒）.A.It also helps create a sense of achievement.
B.That can be true even if the strong feelings are good ones.
C.It is harder to deal with strong emotional challenges.
D.Only less than nine percent of teens get enough sleep.
E.Artistic expression is a powerful way for teens to manage emotions.
F.Then they can try taking a few moments each day to practise this method of calming down.
Keeping enough Sleep
Getting more sleep improves the way teens feel when they're awake.However，one study showed a surprising result.（1）
Doing physical exercise
Physical activities are helpful for teenagers.Exercise helps produce a certain chemical which can do good to emotions.（2）In this way，teens ' self- confidence is improved.
Developing creativity
（3）When it's difficult to tell what they' re going through，they can draw a picture or create a poem.An artwork is a good expression of emotions and creativity.
Trying meditation（冥想）
The ability to calm the mind and stop daydreaming is good for teens.They can start by learning how to meditate with a teacher.（4）
Learning to ride the wave
Teens sometimes try to push strong feelings away.（5）For example，they may have the feelings of pride，love，or joy.Riding the emotional wave helps them control strong feelings and become more comfortable.發(fā)布：2024/12/31 2:30:3組卷：113引用：3難度：0.5
把好題分享給你的好友吧~~