Health officials issued a waring over common energy

题文

Health officials issued a waring over common energy-saving l一ghtbulbs(灯泡) after rearch showed some types could potentially harm the skin and may even rai the risk of cancer.A study by the Health Protection Agency (HPA) found that some eco-friendly lightbuulbs relea levels of ultraviolet (UV) (紫外线) radiation that are above recognized safety limits. The agency urged people who work with lamps nearby to avoid spending more than one hour within a foot of the eco-friendly bulbs. The warning was directed at tho using desk lamps for long periods, such as jewellery makers, and others who might have lights clo to their faces, such as car mechanics.John O’Hagan, a scientist at the HPA’s centre for radiation, chemical and environmental dangers, began tests on the ligthbulbs after patient groups raid concern about them. Among the groups were patients with a skin dia called lupus, which makes people highly nsitive to light.The tests measured UV light from the lamps and found the highest levels of UV radiation, measured 2cm from the lightbulbs, were equivalent to being outside in direct sunlight in the summer. The most immediate risk from the lightbulbs is a reddening of the skin similar to sunburn, but there is also a small incread risk of skin cancer associated with this, again similar to that of sunburn.The risk of health problems from the lightbulbs was not so high that people should remove them from their homes. People are advid to avoid using open lightbulbs for long clo work until the problem is sorted out. It has confirmed that the government will not be reviewing its strategy on introducing energy efficient lightbulbs.小题1:The underlined word “equivalent” in paragraph 4  most probably means ______.A．equalB．vitalC．relevantD．harmful小题2:In order not to be harmed by the UV radiation from some lightbulbs, people should ______.A．stop using eco-friendly lightbulbs at homeB．avoid using open lightbulbs for long clo workC．take care not to expo their skin to direct sunlightD．urge the government to ban the u of lightbulbs小题3:In the next part, the author would most probably further explain _____.A．why people needn’t remove the lightbulbs from their homesB．how rearchers have planned to sort out the problemC．how the government has responded to HPA’s discovery D．how long people should work clo to the open lightbulbs小题4:We can learn from the passage that ____.A．health officials issued a warning over common lightbulbs.B．jewellery makers should avoid working with the eco-friendly bulbs for more than one hourC．John O’Hagan did tests on the lightbulbs with some patientsD．people are advid to avoid using open lightbulbs for long clo work 题型：未知难度：其他题型

答案

小题1:A小题1:B小题1:C小题1:D

解析

略

考点

据考高分专家说，试题“Health officials iss.....”主要考查你对 [健康环保类阅读 ]考点的理解。 健康环保类阅读

健康环保累阅读概念：

健康环保类文章常是介绍科学知识、生活常识和环境保护方面的短文。体裁有记叙文、 说明文、议论文和各种应用文。

健康环保类文章阅读技巧：

   健康环保类文章常是介绍科学知识、生活常识和环境保护方面的短文。阅读此类短文要以现象或事物为中心进行思考，理解现象产生的原因、条件和客观规律等。同时要抓住事物的特征、用途和相互关系等。科普环保类文章一般为说明文，从结构上看大致可分为三个部分：   第一部分一般是文章的首段，主要用来提出文章的主题，即文章想要阐述、说明的主要内容；   第二部分是文章的主体，可由若干个段落组成，对文章的主题进行展开说明；   第三部分是结尾段，对文章的主题进行归纳总结。这类文章多用一般现在时，而且一般多使用客观性词语表述。有时为了强调客观性，也常使用被动语态。   从近几年的考试题来看，科普环保类的文章越来越与人们的实际生活相接近。由于此类文章缺乏故事情节，很多同学对此类文章感到费解。但一般的科普类文章都是就事论事，需要逻辑推理和想象的时候较少，因此此类阅读题也没有同学们想象中的那么难，只要多加训练，就能较好地答题。【阅读策略】 1、概要(Summarizing)：  阅完材料后，将所阅材料浓缩，摘要，做出所阅材料的书面或口头梗概。 2、组织(Organization)：  阅读后根据阅读内容，识别观点、人物、事件之间的关系以及文章的结构关系。如：时间关系、比较或对比关系、相关关系及因果关系等。