网校每日一练免费在线测试系统将为所有学员免费提供练习题，所有学员登录成功之后即可免费练习。如有疑问可以到答疑板与专家进行交流，24小时之内即可得到满意答复。欢迎大家积极参与！

阅读理解：

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（发射塔） should be built until the long-term health effects of the radiation they emit（放射） 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."If mobile phones are found to be dangerous,they should carry a warning label until proper shields can be devised," he said.

According to Robert Bell,if mobile phones prove to be dangerous to people's health____.

A.they should be banned immediately.

B.the use of them should be restricted.

C.all transmitter towers should be torn down.

D.a warning label should be attached.

正确答案：D

答案解析：本段的第一句话告诉我们：被证实有辐射危险的手机应该带着标签。因此答案是A。

相关推荐：

2016年职称英语考试网上辅导火爆热招

2016年卫生类职称英语常用同义词辨析汇总

职称英语单词记忆好方法

卫生类职称英语技巧：如何养成正确的阅读习惯