Europeans should try to stay indoors if ash from Icelands volcano starts settling, the World Health Organization warned Friday as small amounts fell in Iceland, Scotland and Norway.
WHO spokesman Daniel Epstein said the microscopic(微小的) ash is potentially dangerous for people when it starts to reach the Earth because inhaled(吸入) particles can enter the lungs and cause respiratory problems. And he also said Europeans who go outside might want to consider wearing a mask.
Other experts, however, werent convinced the volcanic ash would have a major effect on peoples health and said WHOs warnings were hysterical. They said volcanic ash was much less dangerous than cigarette smoke or pollution. Volcanic ash is made of fine particles of fragmented volcanic rock. It is light gray to black and can be as fine as talcum powder. During a volcanic eruption, the ash can be breathed deep into the lungs and cause irritation even in healthy people. But once it falls from a greater distance like from the cloud currently hovering above Europe its health effects are often minimal, experts say.
Not all particles are created equal, said Ken Donaldson, a professor of respiratory toxicology at the University of Edinburgh, In the great scheme of things, volcanic ash is not all that harmful. And he said most Europeans exposure to volcanic ash would be negligible and that only those in the near districts of the Icelandic volcano would likely be at risk.
Dr. Stephen Spiro, a professor of respiratory medicine and deputy chair of the British Lung Foundation, said the further the particles travel, the less dangerous they will be. The cloud has already passed over northern Scotland and we havent heard of any ill effects there, he said. Spiro said to wear masks or stay indoors to avoid volcanic ash was over the top and a bit hysterical.
1. The text is mainly about .
A. the effect of volcanic ash
B. the health risk of volcanic ash
C. the disadvantages of volcanic ash
D. the opinions on health risk of volcanic ash
2. Which one is true according to Paragraph3?
A. The volcanic ashs effects on Europeans were little.
B. The ash caused irritation even in healthy people.
C. Other experts thought WTOS warnings were useful.
D. The volcanic ash was more dangerous than cigarette smoke or pollution.
3. The underlined word hysterical in Paragraph4 most probably means .
A. amazing B. practical C. valuable D. overstated
4. What can we learn from the passage?
A. The volcanic ash wouldnt be harmful to people.
B. All experts thought the volcanic ash did great harm to our health.
C. People close to the volcano would likely be at risk according to some experts.
D. Europeans should stay indoors because Icelands volcano starts settling.
答案:
1.D. 主旨大意题。本文主要就火山灰对人的健康的危害问题世卫组织和其他专家给出不同观点。A太笼统;B不能体现不同的观点;C与文章内容无关;D符合题意。
2. A. 细节理解题。第三段最后一句可知A是正确的;由第三段中During a volcanic eruptionin healthy people.可知B错误;由第三段中Other experts, however, werent convinced cigarette smoke or pollution可排除C D。
3. D. 词义猜测题。由上文中volcanic ash is not all that harmful和下文中only those in the near vicinity of the Icelandic volcano would likely be at risk可知D正确, 夸大的,言过其实的。
4.C. 由第三段 But once it falls from a greater distance.. effects are often minimal和第四段中 only those in the near vicinity of the Icelandic volcano would likely be at risk以及第五段中 the further the particles travel, the more diluted and less dangerous they will be可知C正确。ABD观点表达绝对。
雅思听力训练方法大全(下)
雅思听力9分得主谈听力技巧(上)
雅思听力:发音与听力的练习心得
雅思听力高分需养成良好的听力习惯
雅思听力场景讲解(租房场景)
提高雅思听力最好的方法是“听抄”
雅思听力题型及答题方法介绍
雅思听力“独”门招:精听泛听相互结合
雅思听力场景分析-相貌
初中水平如何攻克雅思听力
雅思听力备考:抓住三个考点两个场景
雅思听力精听泛听练习方法:逆向法
雅思听力与海外现实生活的关系
雅思听力场景词汇分类介绍
雅思听力训练法宝:备考方法全点拨
雅思听力号码考点应对策略
雅思听力拿高分的八大策略
雅思听力词汇:各国国籍
雅思听力数字训练:电话号码
雅思听力9分得主谈听力技巧(下)
雅思听力重点考查项目是什么?
雅思听力数字考点相关词汇整理
雅思听力场景词汇辅导(2)
雅思听力常考地名汇总
雅思学习三步走:真正提高听力水平
雅思听力Part 4应试技巧
名师辅导:雅思听力高分漫谈
100个雅思听力常考词汇整理
雅思听力笔记:电话号码
雅思听力急速提高100词之再接再厉篇
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |