ity that such activity could make the shield more permeable(能透过的), he said.
"Increased protein activity might cause ceils to shrink-not the blood |vessels hut the cells themselves-and then tiny gaps could appear between those cells through which some molecules could pass." he said.
Leszezynski declined to speculate on what kind of health risks that could pose, but said a French study indicated that headache, fatigue and sleep disorders could result.
"These are not life-threatening problems but can cause a lot of discomfort," he said, adding that a Swedish group had also suggested a possible link with Alzheimer's disease.
"Where the truth is do not know," he said.
Leszczynski said that he, his wife and children use mobile phones, and he said that he did not think his study suggested any need for new restrictions on mobile phone use.
36 According to Leszczynski, how does mobile phone affect one's health? ________
A Mobile phone radiation can increase protein activities and such activities can make the protective shield more permeable.
B Mobile phone radiation can shrink the blood vessels and prevent blood from flowing smoothly.
C Mobile phone radiation will bring stress to people exposed to it.
D Mobile phone radiation kills blood cells at a rapid speed.
37 What's the result of the French study? ________
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.
38 What kind of disease is not caused by the use of mobile phone? ________
A Fatigue.
B Headache.
C Alzheimer's disease.
D Tuberculosis.
39 According to the passage, what would be the future of the use of mobile phone? ________
A People will be forbidden to use mobile phone.
B People dare not use mobile phone because of its radiation.
C People will continue to use mobile phone.
D There will be new restrictions on the use of mobile phone.
40 Which of the following is NOT true according to the passage? ________
A The research in Finland found that mobile phone radiation will affect one's brain.
B Mobile phone radiation can cause increased activity in hundreds of protein in human cells.
C Increased protein activity might cause cells to shrink.
D Leszczynski forbid his wife and children to use mobile phone after、his research.
第三篇 Problems of Internet
The proportion of works cut for the cinema in Britain dropped from 40 per cent when I joined the BBFC in 1975 to less than 4 per cent when I left. But I don't think that 20 years from now it will be possible to regulate any medium as closely as t regulated film.
The Internet is, of course, the greatest problem for this century. The world will have to find a means, through some sort of international treaty of United Nations initiative, to control the material that's now going totally unregulated into people's homes. That said, it will only
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