文档介绍：四、补全短文
(一)Mobile phones(移动电话)
Mobile phones should carry a label if they proved' to be a dangerous source of radiation, according to Robert Bell, a scientist. And no more mobile phone transmitter towers should be built until the long-term health effects of the ic radiation they emit are scientifically evaluated, he said. "Nobody's going to drop dead overnight but we should be asking for more scientific information," Robert Bell said at a conference on the health effects of low-level radiation(1)
A report widely circulated among the public says that up to now scientists do not really know enough to guarantee there are no ill-effects on humans from ic radiation. According to Robert Bell, there are 3. 3 million mobile phones in Australia alone and they are increasing by 2,000 a day(2)
AS well, there are 2,000 transmitter towers around Australia, many in high density residential areas. (3) The ic radiation emitted from these towers may have already produced some harmful effects on the health of the residents nearby.
Robert Bell suggests that until more research pleted the Government should ban construction of phone towers from within a 500 metre radius of school grounds, child care centres, hospitals, sports playing fields and residential areas with a high percentage of children(4) He adds that there is also evidence that if cancer sufferers are subjected to ic waves the grow