Within the atopic population, subjects complaining of symptoms of allergic rhinitis were significantly more frequent in the polluted area (BP), suggesting that air pollution causes an increase in symptoms of allergic rhinitis in the atopic population, but this is not significantly higher than the ...
根据文中句子There are three main kinds of pollution: land pollution, air pollution and water pollution.可知有三种污染。故答案为Three. 根据文中句子Land pollution is mainly caused by solid waste, such as cans, bottles and some plastic things.可知答案,故答案为Solid waste. 根据文中句子__There...
the causes and the effects of air pollution are both found in cities O. the effects of air pollution range from headaches to death P. air pollution is caused by dirty air 6. What is the purpose of this passage? Q. To tell people to stop polluting the air. R. To tell the cau...
A.To persuade people to stop polluting the air B.To tell the causes of air pollution C.To tell why cities are bad places to live D.To describe why cities are bad places to live 3.Why is air pollution graver in the city than in the country? A.Because there larger populations in citi...
The level of noise around us is constantly increasing, and is affecting the quality of our lives. What causes the noise? What should be done about it? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at least 250 words. Task 2 报...
Air as a Mechanical Source The generation of electrical power requires the presence of air. Not only is oxygen essential for combustion – the process that causes fires to form and so powers most fuel-burning generators, machinery, and vehicles – but air may also be utilised to generate elect...
(1)The key point of the passage is that ___. [ ] A.the cause of air pollution is people B.the causes and the effects of air pollution are found in cities C.the effects of air pollution range from headache to death D.air pollution is caused by dirty air (2)What is the purpose ...
Assessment of the global burden of disease is based on epidemiological cohort studies that connect premature mortality to a wide range of causes, including... J Lelieveld,JS Evans,M Fnais,... - 《Nature》 被引量: 1040发表: 2015年 Mortality and air pollution in London: a time series analys...
A.to persuade people to stop polluting the air B.to tell the causes of air pollution C.to tell why cities are bad places to live D.to describe why cities are bad places to live 61.What is the main cause of more serious air pollution in the city than in the country?
A.To persuade people to stop polluting the air. B.To tell the causes of air pollution. C.To tell why cities have larger populations. D.To describe why cities are bad places to live. 30.Why is air pollution heavier in the city than in the countryside?D. ...