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  3. What impact can mobile phones have on their users’ health? Many people worry about the supposed ill effects caused by radiation

What impact can mobile phones have on their users’ health? Many people worry about the supposed ill effects caused by radiation

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问题     What impact can mobile phones have on their users’ health? Many people worry about the supposed ill effects caused by radiation from handsets and base stations, despite the lack of credible evidence of any harm. But evidence for the beneficial effects of mobile phones on health is rather more abundant. Indeed, a systematic review carried out by Rifat Atun and his colleagues at Imperial College, London, rounds up 150 examples of the use of text-messaging in the delivery of health care. These uses fall into three categories: efficiency gains; public-health gains; and direct benefits to patients by incorporating text-messaging into treatment regimes. The study, funded by Vodafone, the world’s largest mobile operator, was published this week.
    Using texting to boost efficiency is not rocket science, but big savings can be achieved. Several trials carried out in England have found that the use of text-messaging reminders reduces the number of missed appointments with family doctors by 26%~39%, for example, and the number of missed hospital appointments by 33%~50%. If such schemes were rolled out nationally, this would translate into annual savings of 256 million to 364 million pounds.
    Text messages are also being used to remind patients about blood tests, clinics, scans and dental appointments. Similar schemes in America, Norway and Sweden have had equally satisfying results—though the use of text-message reminders in the Netherlands, where non-attendance rates are low, at 4%, had no effect other than to annoy patients.
    Text messages can also be a good way to disseminate (广泛传播) public-health information, particularly to groups who are hard to reach by other means, such as teenagers, or in developing countries where other means of communication are unavailable. Text messages have been used in India to inform people about the World Health Organization’s strategy to control tuberculosis, for example, and in Kenya, Nigeria and Mali to provide information about HIV and malaria. In Iraq, text messages were used to support a campaign to vaccinate nearly 5 million children against polio (小儿麻痹症).
    Finally, there are the uses of text-messaging as part of a treatment regime. These involve sending reminders to patients to take their medicine at the right time, or to encourage compliance (遵守) with exercise regimes or efforts to stop smoking. The evidence for the effectiveness of such schemes is generally anecdotal, however, notes Dr. Rifat. More quantitative research is needed—which is why his team published three papers this week looking at the use of mobile phones in health care in more detail. One of these papers, written in conjunction with Victoria Franklin and Stephen Greene of the University of Dundee, in Scotland, reports the results of a trial in which diabetic teenagers’ treatment was backed up with text-messaging.
What does the author imply by saying "... though the use of text-message reminders. .. , had no effect other than to annoy patients" (Lines 2—4, Para. 3)?
选项 A、Text-messaging is not suitable to remind patients in the Netherlands.
B、Text-messaging is very effective in treating patients in the Netherlands.
C、The use of text-message reminders in the Netherlands does not annoy patients.
D、The use of text-message reminders in the Netherlands was not satisfactory.
答案D
解析 语义理解题。解答本题首先需要分析全句的结构，破折号之前为主句部分，之后为though引导的让步状语从句。因为主句中对项目实施情况的表述为satisfying，所以可以推测让步状语从句中的结果应该与之相对，从句中的表述为had no effect other than to annoy patients．意思为“并没有产生任何有益影响，却让病人感到很厌烦”，所以确定D)为本题的答案。
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