时间：2017-07-01 08:24:44本文内容及图片来源于读者投稿,如有侵权请联系xuexila888@qq.com 玉莲
today,lots of middle schools' students use Iphone4,they thought that would make them looks like very cool,and very fashion.you bet,iphone is certainly a very good product,Its function is perfect,and has lots of intersting apps.
But be a middle schools' student,we mainly project is study,so,the other intersting for fun such as iphone will affect us.and that phone is very expensive,We take it that will affect our safety.we should not take it to class,that wil disrupt the order of teaching.and there are some students to buy it is to keep up with the Joneses,we should not encourage this trend.
I think this is why students should not buy iPhone.
However, Imagine that you go to spend your holiday with your family after days of busy and tiresome work. When you lay on the beach comfortably, your phone rings. Then you have to go back to your office only to find an unimportant customer waiting for you. At that moment, you may even want to throw your phone away,for you just want to relax and get rid of your work.
students may get distracted if they go to school with a smart phone. Short mail, games and lots of apps are more abstractive than some boring lessons. Besides, if students is using to search answers by telephone instead to finding solution through listening classes, they may get bad study habit.
Nowadays mobile phones are becoming more and more popular among the middle school students.In my opinion,we can bring mobile phones to school.
As we know,the 21st century is a modern age and full of information.A mobile phone is one of the quickest tools for us to exchange information.The mobile phone is a fashionable and useful invention,so we ought to make the best use of it.Suppose there’s a sudden accident,it is more convenient for us to dial for help immediately.There’re also some games in the mobile phone.We can relax ourselves by playing them when we’re tired of our studies.In my opinion,it’s not wrong to follow the fashion,but the most important thing is how to use the mobile phone in a right way.
When it comes to mobile phone, who also not unfamiliar, even three year old children know how to use. Now, with the progress of science and technology, mobile phone change is big, from a big brother, into a can carry, and many mobile phone. Mobile phone telephone exchanges, can also surf the Internet, moreover, is video chat, also can take, save trouble with camera, can also store information, listen to music, mobile phone is equivalent to a small portable computer. Mobile phone also has a special function, is in an emergency situation, the mobile phone can also save your life, at the crucial moment for example: in case of emergency worldwide mobile phone can dial the common emergency number 112; standby mobile phone invisible power shortage, in order that it can continue to use, according to keys, mobile phone will restart, after that, consumption increased by 5%; mobile phone was stolen?
There are ways to make the thief can not use, see the serial number of the mobile phone, just type *#06#15 serial number, will appear on the mobile phone screen. Each mobile phone all over the world, the one and only has a sequence number, the sequence number is recorded and saved, if one day unfortunately mobile phone was stolen, call mobile phone provider, and provide the serial number of the mobile phone, they will help you put the mobile phone screen. So even if the thief changes the SIM card, still unable to use, then the mobile phone to become Nothing is right. the thief.
No perfect thing in the world is not exceptional also, mobile phone, mobile phone is like poppy, bright and beautiful appearance, but inside it is poisonous. For example: mobile phone radiation on the human head is more harmful, it will be one of the central nervous system caused by the disorder caused by machine, head, dizziness, insomnia, dreaminess, hair loss and other symptoms, some people face stimuli are not rare. Many girls like to mobile phone hung on the chest. But research shows that, mobile phone hanging in the chest, will have a certain impact on the heart and endocrine system, even in smaller radiation standby, electromagnetic wave radiation around the mobile phone may cause harm to the human body. Put in the pocket of his trousers will kill sperm, according to the report, the scientists found, often carry and use mobile phone male sperm count can be reduced by as much as 30%, medical experts have pointed out, the mobile phone is often hung on the waist of a human body or the waist side, electromagnetic wave transceiving signal will be radiation to human sperm or the egg, which may affect the reproductive function of the user.
The harm of smoking, that have no one knows, but if someone says to you, every year because of the number of mobile phone of death, the death toll more than cigarettes, whether you will be startled at? The statistics show, 3 times the world mobile phone users has exceeded the number of smokers, so experts believe that mobile phone will be more serious than smoking hazards. At present, the world every year about 5000000 people die from smoking related diseases. In 1977, reporter Lao De, first proposed the use of mobile phone may have adverse effects on the brain, because of the use of mobile phone number is very few, this article has not caused widespread concern, people in 1985, Lynn USA scientists speculate, long-term use of mobile phone may be evoked brain tumor. He also suggested: try to use mobile phone, and not to call. Department of Ophthalmology, Zhejiang University Research Institute Professor Yao Ke after one year experiment indicated: even in the international mobile phone radiation standards for safe use, long time use is still on the eyes from injury of human body parts.
Electromagnetic microwave generation mobile phone calls in the eye lens damage, destroy cell communication function. Mobile phone electromagnetic field may reduce bone density Osteoporosis, long time using a mobile phone, the mobile phone surface nickel material contact for too long, may lead to skin allergies, produce a "mobile phone dermatitis" itchy rash. Susceptible to long time mobile phone call, this is caused by the arm pain long time call, because the arm elbow bend too much and waist long stretch, so the main nerve, obstruct blood flow to the nerve. Resulting from the elbow fingers tingling or numbness. Also have an impact on pregnant women, if the height of microwave radiation induced abortion of pregnant women, fetal malformation or stillbirth.
Low intensity can have adverse effects on the offspring born after some behavior. Know so many mobile phone hazards, how to turn the harm to a minimum extent. We can do the following: 1, don't put it on the pillow; 2, not hanging in the chest; the 3, the mobile phone is put in the purse; 4, the use of Headset answering mobile phone, call to control in half an hour; 5, do not let the mobile phone contact with the skin, play mobile phone often change hands. For the safety of everyone, happiness, or less mobile phone is appropriate.