更多"Mobile Phone and Diseases A stud"的相关试题:
[单项选择]
Mobile Phone and Diseases
A study by scientists in Finland has found that mobile phone radiation can cause changes in human cells that might affect the brain, the leader of the research team said.
But Darius Leszczynski, who headed the 2-year study and will present findings next week at a conference in Quebec(魁北克), said more research was needed to determine the seriousness of the changes and their impact on the brain or the body.
The study at Finland’s Radiation and Nuclear Safety Authority found that exposure to radiation from mobile phones can cause increased activity in hundreds of proteins in human cells grown in a laboratory, he said.
"We know that there is some biological response. We can detect it with our very sensitive approaches, but we do not know whether it can have any physiological effects on the human brain or human body, " Leszczynski said.
Nonetheless the study, the initial findings of which
A. The harm of mobile phone radiation is life-threatening.
B. Mobile phone may affect one’s normal way of thinking.
C. Sleep disorders could result from mobile phone radiation.
D. A protein called hsp27 is killed by mobile phone radiation.
[单项选择]Whose mobile phone is it
A. It’s Merry’s.
B. It’s Mike’s.
C. It’s Jack’s.
[单项选择]Passage Three
Mobile phone recycling is turning into big business for some kids in India. They were once street wanders, but now they are businessmen. The kids have been digging old mobile phones out of the rubbish and selling them to recycling centres. They now live in a small house, are able to go to school and they have food. These kids are marvelous and they are probably the future business leaders of their town. The mobile phone recycling industry is growing rapidly around the world as newer models come out and more people want to dispose of their old phones.
Every day there seems to be another story about the damage we have done to the environment. Mobile phones contain thing like lead, mercury(水银)and other harmful material s that can kill us if it reaches our water supply and is not treated properly. Mobile phone recycling keeps these phones out of wasteyards and water supplies.
Recycling centers are appearing all overt the world to tear things down, separate out
A. collecting abandoned mobile phones
B. selling second hand mobile phones
C. recycling old models of mile phones
D. receiving orders form recycling centers
[单项选择]A mobile phone is no longer just a phone -- it is also a music player, video camera and personal organizer. And mobile phones with television programming are just around the corner. But the more functions cell phone manufacturers add, the greater the amount of power the phones use and the less practical running them on lithium (锂) batteries becomes -- so the race to find a viable alternative is on.
Two of the world’s biggest electronics makers, Hitachi and Toshiba, are currently competing against each other to come up with an alternative, most likely to be micro fuel cells. The task has been set by Japan’s second largest mobile phone provider, KDDI, which wants its customers to soon be able to use special television programming on their handsets, and has asked the two electronics companies to come up with a better power source. Hitomi Murakami, of KDDI, says battery-operated mobile phones cannot keep up with the new applications. "We’re looking at various ways to expand content an
[多项选择]Mobile Phone Etiquette
You are to write in three parts.
In the first part, state specifically what your idea is.
In the second part, provide one or two reasons to support your idea OR describe your idea.
In the last part, bring what you have written to a natural conclusion or a summary.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.
[多项选择]The mobile phone makes our life and work enjoyable as well as efficient. In a sense, it is changing our society, but does it also bring problems Write an essay of about 400 words to describe the advantages or/and disadvantages of the mobile phone.
The Impact of Mobile Phone on Our Life
In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary.
Marks will be awarded for content, organization, grammar and appropriacy. Failure to follow the above instructions may result in a loss of marks.
Write your composition on ANSWER SHEET FOUR
[简答题]Nowadays mobile phone is no longer a strange term to college students. Please write an essay of about 120 words, making reference to the following points:
(1) With the uplifting living standards, more and more college students have their own mobile phones.
(2)There are many reasons for such a phenomenon.
(3)My viewpoints are ...