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1、 2022年职称英语理工类AB阅读理解练习题(5)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 (放射塔) should be built until the long-term health effects of the radiation they emit (放射) is scientifica
2、lly 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. “If mobile phones are found to be dangerous, they should carry a warning label until proper shields
3、can be devised,“ he said.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 radiation. According to Robert Bell, there are 3.3 million mobile phones in Australia alone and they are increasing
4、by 2,000 a day. By the year 2022 it is estimated that Australia will have 8 million mobile phones: nearly one for every two people.As well, there are 2,000 transmitter towers around Australia, many in highdensity (密度) residential areas. For example, Telstra, Optus and Vodaphone build their towers wh
5、ere it is geographically suitable to them and disregard the need of the community. The 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 constru
6、ction of phone towers from within a 500 meter radius (半径) of school grounds, child care centers, hospitals, sports playing fields and residential areas with a high percentage of children. He says there is emerging evidence that children absorb low-level radiation at a rate more than three times that
7、 of adults. He adds that there is also evidence that if cancer sufferers are subjected to radiation the growth rate of the disease accelerates (提高).Robert Bell calls on the major telephone companies to fund adequate research and urges (敦促) the government. to set up a wide ranging inquiry into possib
8、le health effects.1 According to Robert Bell, if mobile phones prove to be dangerous to people”s health.Athey should be banned immediately.Bthe use of them should be restricted.Call transmitter towers should be torn down.Da warning label should be attached.2 How many mobile phone users will there be
9、 in Australia by the year 2022 according to the passage?A3.3 million.BAlmost half of the population.COne third of the population.DOne fourth of the population.3 Many transmitter towers were builtAon high mountains.Bin places suitable to the phone users.Cin areas which can take in radiation.Din dense
10、ly populated areas.4 Who absorb low-level radiation at a higher rate than the others?AChildren.BMen.CWomen.DOld people.5 This article mainly argues thatAthe government should restrict the number of mobile phone users.Bmobile phones may have ill effects on people.Cmobile phones have proved to be harmless to people”s health.Dno more phone towers should be constructed.
