Câu hỏi:
12/09/2023 607
Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.
The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.
On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modem scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree.
What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it’s best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often.
The most suitable title for the passage could be________.
Millions of people are using cellphones today. In many places, it is actually considered unusual not to use one. In many countries, cellphones are very popular with young people. They find that the phones are more than a means of communication - having a mobile phone shows that they are cool and connected.
The explosion in mobile phone use around the world has made some health professionals worried. Some doctors are concerned that in the future many people may suffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue. Mobile phone companies are worried about the negative publicity of such ideas. They say that there is no proof that mobile phones are bad for your health.
On the other hand, medical studies have shown changes in the brain cells of some people who use mobile phones. Signs of change in the tissues of the brain and head can be detected with modem scanning equipment. In one case, a traveling salesman had to retire at young age because of serious memory loss. He couldn't remember even simple tasks. He would often forget the name of his own son. This man used to talk on his mobile phone for about six hours a day, every day of his working week, for a couple of years. His family doctor blamed his mobile phone use, but his employer's doctor didn't agree.
What is it that makes mobile phones potentially harmful? The answer is radiation. High-tech machines can detect very small amounts of radiation from mobile phones. Mobile phone companies agree that there is some radiation, but they say the amount is too small to worry about. As the discussion about their safety continues, it appears that it’s best to use mobile phones less often. Use your regular phone if you want to talk for a long time. Use your mobile phone only when you really need it. Mobile phones can be very useful and convenient, especially in emergencies. In the future, mobile phones may have a warning label that says they are bad for your health. So for now, it's wise not to use your mobile phone too often.
The most suitable title for the passage could be________.
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Trả lời:
Giải bởi Vietjack
Đáp án D
Câu hỏi cùng đoạn
Câu 2:
According to the passage, cellphones are especially popular with young people because ____________.
According to the passage, cellphones are especially popular with young people because ____________.
Đáp án chính xác
Lời giải của GV VietJack
Đáp án A
Đầu đề phù hợp nhất với bài viết là”
A. Lí do tại sao điện thoại phổ biến
B. Điện thoại. sự cần thiết của thời gian chúng ta
C. Cách mà điện thoại hoạt động
D. Đổi mới công nghệ và cái giá của chúng
Câu 3:
The changes possibly caused by the cellphones are mainly concerned with________,
The changes possibly caused by the cellphones are mainly concerned with________,
Đáp án chính xác
Lời giải của GV VietJack
Đáp án D
Sự thay đổi khả năng bởi điện thoại chủ yếu liên quan tới:
A. Tính chuyển biến về suy nghĩ và cơ thể
B. Bộ nhớ
C. Sự lưu thông của não
D. Đơn vị nhỏ nhất trong não
Câu 4:
According to the passage, what makes mobile phones potentially harmful is ________.
According to the passage, what makes mobile phones potentially harmful is ________.
Đáp án chính xác
Lời giải của GV VietJack
Đáp án D
Cái gì khiến cho điện thoại luôn tiềm tàng nhiều tác hại:
A. Ánh sáng rada
B. Sức mạnh thu hút
C. Sức mạnh tấn công bất ngờ
D. Tia không thể nhìn thấy
Câu 5:
According to the writer, people should_____
According to the writer, people should_____
Đáp án chính xác
Lời giải của GV VietJack
Đáp án D
Chúng ta nên:
A. Không bao giờ sử sụng điện thoại trong mọi trường hợp
B. Chỉ sử dụng điện thoại trong trường hợp cấp cứu
C. Luôn tránh xa điện thoại
D. Chỉ sử dụng trong trường hợp khẩn cấp
Câu 6:
The man mentioned in the passage, who used his cellphone too often______.
The man mentioned in the passage, who used his cellphone too often______.
Đáp án chính xác
Lời giải của GV VietJack
Đáp án B
Người đàn ông sử dụng điện thoại quá thường xuyên:
A. Phải chịu đựng khả năng mất ý thức nghiêm trọng
B. Gặp vấn đề về trí nhớ
C. Bỏ rơi gia đình
D. Không còn khả năng suy nghĩ minh mẫn
Câu 7:
The word "potentially" in the passage most closely means
The word "potentially" in the passage most closely means
Đáp án chính xác
Lời giải của GV VietJack
Đáp án B
Từ “potentially” gần nghĩa với:
A. Rõ ràng
B. Có thể
C. Chắc chắn
D. Riêng tư
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 6:
In the passage, which of the following ts NOT true of the Internet?
In the passage, which of the following ts NOT true of the Internet?
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12/09/2023
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