Haze is harmful to health. Look at the answer

1. Please give a definition of "smog" according to the relevant content of the article. Haze 2. What is the interpretation method of the underlined sentence in paragraph [14]? And analyze what its function is. ? 3. Can the word "main" added in "The formation of smog is mainly caused by a large number of particles suspended in the air and meteorological conditions * * *" be deleted? Why? 4. Which of the following options is not in line with the original intention (? From late autumn to early spring, the lower the temperature, the less water vapor the air can contain, and the easier it is to form smog. B Sulfur dioxide, nitrogen oxides and inhalable particulate matter are the main culprits that aggravate smog weather pollution. C fog is naturally formed, and the relative humidity is saturated when it occurs. Haze is man-made, and the relative humidity is not large when it occurs. D fog itself will not pollute the environment, but if the atmospheric environment that produces fog is in a relatively stable state, pollutants in the air will not easily spread outward, thus causing agglomeration effect and making pollution more and more serious. 5. "With the same breath, * * * with the same responsibility", facing the fog, we should make a difference. So as a middle school student, what kind of responsibility do you think you should take to make a difference? Reference answer 1. A weather phenomenon in which a large number of particles and smoke particles suspended in the air make the air turbid and the horizontal visibility drops below 10 km. 2 a little 3 a little 4B5 a little

How harmful is smog to health? Please summarize in concise language. Hazy weather is more likely to cause cancer than cigarettes. Haze contains hundreds of atmospheric particles, which can easily cause diseases such as rhinitis and bronchitis. Hazy weather is still a heart killer. Haze can lead to vasospasm, blood pressure fluctuation and increased heart load, which can easily induce or aggravate some allergic diseases such as tracheitis, pharyngitis and conjunctivitis. )

What are the two ways that smog harms health? (3) Aerosol particles with a diameter less than 10 micron in smog can directly enter and adhere to the upper and lower respiratory tract and lung lobes of human body, causing rhinitis, bronchitis and other diseases, and may also induce lung cancer in this environment for a long time. (6) "The heavily polluted air has low cleanliness and contains a lot of dust, pollutants and microorganisms, which can stimulate human respiratory tract. Fog has a very strong adsorption force, which can adsorb a large number of toxic acids, alkalis, salts, amines, phenols, pathogenic microorganisms and other substances, and then form a very large fog core, which is easily absorbed by people. These harmful substances will stimulate sensitive parts of the human body and easily induce or aggravate some allergic diseases such as tracheitis, pharyngitis and conjunctivitis.

Can you delete the sentence "possible"? Why? (This possibility cannot be ruled out. The word "possible" shows that the conclusion of this study is not 100% correct, and further research is needed. After removing it, things will be absolute. )