学位英语

Mobile Phones

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 build until the long-term health effects of the electromagnetic (电磁的) radiation they emit is 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. __________ (46)

A report widely circulated (传播) among the public says that up to now scientists do not really know enough to guarantee there are no ill effects on humans from electromagnetic radiation.

According to Robert Bell, the__________re are 3.3 million mobile phones in Australia alone and they are increasing by 32,000 a day.(47)

As well, there are 2,000 transmitter towers around Australia, many in high density (密度)residential areas. __________ (48) The electromagnetic 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 is completed the Government should ban construction of phone towers from within a 500 metre radius of school grounds, child care centres,hospitals, sports playing fields ( 隔离屏) and residential areas with a high percentage of children.

__________ (49) He adds that there is also evidence that if cancer sufferers are subjected to electromagnetic waves the growth rate of the disease accelerates (加速，加快 ).

__________ (50) According to Robert Bell, it is reasonable for the major telephone companies to fund it. Besides, he also urges the Government to set up a wide ranging inquiry into possible health effects.

A. He says there is emerging evidence that children absorb low-level radiation at a rate more than three times that of adults.

B. By the year 2004 it is estimated that Australia will have 8 million mobile phones: nearly one for every two people.

C. "If mobile phones are found to be dangerous, they should carry a warning label until proper shields can be devised," he said.

D. Then who finances the research?

E. For example, Telstra, Optus and Vodaphone build their towers where it is geographically suitable to them and disregard (不顾) the need of the community.

F. The conclusion is that mobile phones brings more harm than benefit.

参考答案

46.c。本段讲的是手机的辐射，而其空白处讲的_是Robert在一个有关低辐射对健康影响的会议，所以紧接着说的还是有关辐射的，故选c。

47.B。空白处前面一句介绍了澳大利亚拥有手机的现状，后面谈论的应该还是澳大利亚的情况，所以选B，即对到2000年年底之前手机发展前景的预测，内容上保持连贯。

48.E。这一段的第一句说的是，许多微波发射塔建在人口稠密的居民区。选项E讲微波发

射塔的地点选择只考虑到地理位置，而不顾及公众的需求。选项E扩展了第一句表达的信息。此外，选项E中出现tower这个词，与第一句的tower相呼应。

49.A。空白处前面一句说的是Robert Bell建议政府应该禁止在学校操场、儿童日托中心、医院、运动场所以及儿童占比例较高的场所方圆500米范围内建发射塔。选项A说明要这样做的原因，因而是答案。

50.D。空白处后面一句说的是major telephone companies出钱资助研究项目的内容，可知D是正确答案。

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