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  3. A number of persons have expressed concern about possible health dangers to workers who use devices called video-display termina

A number of persons have expressed concern about possible health dangers to workers who use devices called video-display termina

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问题     A number of persons have expressed concern about possible health dangers to workers who use devices called video-display terminals (终端) or VDTs. These are the devices used to show computer information.  Some reports link VDTs to health disorders including eye problems and muscle problems. Even the health of the pregnant women and their unborn babies is said to be endangered. Video-display terminals produce low levels of the electromagnetic radiation(电磁辐射). Experts say most modern VDTs have been designed to limit the dangers from such radiation. However, study shows that even low levels of electromagnetic radiations can affect the growth of the cells. As a result, some doctors advise women to stop working with VDTs while they are pregnant. One study found women who work with VDTs in early pregnancy are more likely than others to have their pregnancy end unexpectedly. Researchers said that this does not necessarily mean that VDTs themselves cause problems.  Some experts said the findings show working conditions, not the machines, cause the problems. Law makers in m6re than American states have proposed bills to control working conditions for VDT operators.
According to the passage, we know it’s better for the pregnant women ______.
选项 A、to do other work than on VDTs
B、to change their computers if necessary
C、to go back home to have a rest
D、to have their health tested
答案A
解析 本题为细节推理题。文章第八句话指出，有医生建议妇女怀孕后不要再接触 VDTs，即可以换个工作，但并没有具体说明她们应该做什么。
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