A-A+
Air-conditioning may have ill effect on human
问题详情
Air-conditioning may have ill effect on human body in all of the following ways EXCEPT that______.
A.much exposure may make people feel annoyed
B.harmful chemicals in the ventilation system may cause cancers
C.much exposure to low temperature may cause immune diseases
D.people may suffer from headache in an air-conditioned office请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:C
细节题。第四段末句指出,越来越多的研究证明,过多地接触正离子(在有空调的房间中)会导致头疼、疲惫,并产生烦躁情绪。故[A]和[D]是空调系统的负面作用;第五段末句指出,杀菌剂中往往含有五氯苯酚一类的化合物,后者与腹部癌症的发作有着极其密切的关系。故[B]也是危害之一;末段指出,在有空调的环境下工作或生活,人体免疫系统变得脆弱,因而更容易患上如伤风、流感一类的疾病。这里是说免疫力低下,导致伤风、流感,并非免疫系统疾病,故[C]为答案。