II/ Read and answer the following questions A mobile phone, also known as cell phon, is one that we can use to make telephone calls to anyone from a gre
II/ Read and answer the following questions
A mobile phone, also known as cell phon, is one that we can use to make telephone calls to anyone from a great distance via a radio link. Apart from telephony, modern mobile phones also support a number of other services inclding text messaging, internet access, gaming, photography, and many business applications.
The first cell phone weighed about 2 kilograms and was demonstrated in 1973 by Dr. Martin cooper and John F. Mitchell of Motorola .Ten years later, in 1983, the first of cell phone went on sale to the public. By 2011, over six billion people, 87% of the world’s population, used mobile networks.
In spite of the many advantages a cell phone has, it also brings about several problems that users should be awared of. Mobile phone radiation is believed to be harmful to human health.
- When was the first cell phone demonstrated?
- How many percents of the world’s population did use mobile networks by 2011?
- Is mobile phone radiation believed to be harmful to human health?
- What services do modern smart mobile phones support?
- Should students be allowed use cell phone at school? Why/why not?
Lời giải 1 :
*Đáp án:
1) The first cellphone was demonstrated in 1973.
2) Eighty-seven percent of the world's population used mobile networks by 2011.
3) Yes, it is.
4) Modern smartmobile phones support many services including text messaging, internet access, gaming, photography, and many business applications.
5) In my opinion, students shouldn't be allowed to use cell phones at school because of the negative effects of cell phones:
- Cell phones distract students from concentrating on learning properly.
- Cell phones can cause addiction and damage to the eye.
- Most importantly, the usage of cell phones at school is against the rules.
*Giải thích các bước giải/Dẫn chứng:
1) "The first cellphone weighed about 2 kilograms and was demonstrated in 1973 by Dr. Martin Cooper and John F. Mitchell of Motorola".
2) "By 2011, over six billion people, 87% of the world's population, used mobile networks."
3) "Mobile phone radiation is believed to be harmful to human health".
4) "Apart from telephony, modern mobile phones also support a number of other services including text messaging, internet access, gaming, photography, and many business applications".
5) Personal opinion.
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Lời giải 2 :
1. The first cell phone was demonstrated in 1973.
- Thông tin: đoạn 2 câu đầu.
2. By 2011, 87% of the world population used mobile networks.
- Thông tin: đoạn 2 dòng 6
3. Yes, mobile phone radiation is believed to be harmful to human health.
- Thông tin: đoạn 3 câu cuối
4. Modern mobile phones use text messaging, interect access, gaming, photography and many business application.
- Thông tin: đoạn 2 dòng 4 -> 8
5. Since mobile phones brings a lot of benefits including connection, large knowledge database and the fact that students nowadays are more familiar with technologies, I think that mobile phones should be allowed in schools. However, this only applies to cases related to studying, any other activities on the phone should be prohibited. Students can bring their phones to school under teachers' allowance.
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