Question

【题目】阅读理解
CHICAGO- Have you ever worked on your laptop computer with it sitting on your lap, heating up your legs? If so, you might want to rethink that habit from now on. Doing it a lot can lead to “toasted skin syndrome (症状)”, an unusual-looking spotted skin condition caused by long-term heat exposure (暴露), according to medical reports.
In one recent case, a 12-year-old boy from California developed a skin discoloration on his left lap after playing computer games a few hours every day for several months. “He recognized that the laptop got hot on the left side; however, he did not change its position,” Swiss researches reported in an article published Monday in the journal Pediatrics.
Another similar case is a Virginia law student who needed treatment for the spotted darkening on her leg. Dr. Kimberley Salkey, who treated the young woman, learned the student spent about six hours a day working with her computer placed on her lap. As Dr. Salkey later learnt, the temperature under the laptop could reach 51 degrees. That case, from 2007, is one of 10 laptop-related cases reported in medical journals in the past six years.
The condition can also be caused by overuse of heating pads (垫子) and other heat sources that usually aren't hot enough to cause burns. It's generally harmless but can also cause such permanent (永久的) skin darkening. In very rare cases, it can cause damage leading to skin cancers, said the Swiss researchers, Drs. Andreas Arnold and Peter Itin from University Hospital Basel. They do not mention any skin cancer cases linked to laptop use, but suggest, to be safe, placing a carrying case under the laptop if you have to hold it on your lap.
Dr. Kimberley Salkey said that under the microscope, the affected skin is similar to skin damaged by long-term sun exposure.
Major producers including Apple and Dell warn against placing laptops on laps or exposed skin for long periods of time because of the risks for burns. In the past, “toasted skin syndrome” has happened to workers whose jobs require being close to a heat source, including bakers and glass blowers, and in people who gathered near hot stoves to stay warm.
Dr. Anthony J. Mancini, chief at Children's Memorial Hospital in Chicago, said that it's unlikely that computer use would lead to cancer since it's so easy to avoid close skin contact (接触) with laptops.
（1）According to the passage, “toasted skin syndrome” can be caused by all the following EXCEPT ______.
A.being close to a heat source or hot stoves
B.long period of direct contact to hot laptop
C.using one's laptop with a carrying case
D.overuse of heating pad and other heat sources
（2）The underlined word “discoloration” in the 2nd paragraph refers to ______.
A.spot
B.darkening
C.sunburn
D.heat
（3）It can be learnt from the passage that laptop users ______.
A.should avoid close skin contact with laptops
B.are likely to develop a certain kind of cancer
C.have known much about the harm of laptop heating
D.should go to see the doctor at once
（4）Some computer producers warn against placing laptops on laps for long periods of time because of ______.
A.the risk for burns
B.the risk of dropping
C.the risk of breaking
D.the protection of back bone
（5）Which of the following might be the best title of the passage? ______.
A.Laptop is Dangerous
B.Skin Damage is Possible
C.A Bad Habit
D.No laps for Warm Laptops

Answer 1

【答案】
（1）C
（2）B
（3）A
（4）A
（5）D
【解析】本文是一篇说明文，从一些案例和研究报告说明：长期的电脑炙烤皮肤与长期暴露在阳光下的皮肤相似，都会造成皮肤病症，告诫人们不要长时间地直接把笔记本电脑放在膝上。
（1）考查细节理解。根据第一段中的“Doing it a lot can lead to ’toasted skin syndrome (症状)‘, an unusual-looking spotted skin condition caused by long-term heat exposure (暴露), according to medical reports.”可知，这种病症是由于长期的热暴露所造成。故选C。
（2）考查词义猜测。根据句意：在最近的一个案例中，一个12岁的加利福尼亚男孩在几个月里每天玩几个小时的电脑游戏后，在左腿上出现了皮肤变色。可知，discoloration意为“变色、变暗”。故选B。
（3）考查推理判断。本文主要从一些案例和研究报告表明，长期的电脑热烤皮肤与长期暴露在阳光下的皮肤相似，都会造成皮肤病症。所以从这篇文章中我们可以了解到笔记本电脑用户应避免与笔记本电脑进行皮肤接触。故选A。
（4）考查细节理解。根据倒数第二段中的“Major producers including Apple and Dell warn against placing laptops on laps or exposed skin for long periods of time because of the risks for burns.”可知，一些电脑生产商警告说，不要长时间地把笔记本电脑放在膝上，因为有灼伤的危险。故选A。
（5）考查主旨大意。本文主要从一些案例和研究报告说明： 长期的电脑热烤皮肤与长期暴露在阳光下的皮肤相似，都会造成皮肤病症。可知本文主要说明使用手提电脑时的危险。故选D。