Have you chosen the right anti-smog mask? Explanatory text reading answers

1. Based on the relevant content of the article, please give a definition of "haze".

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2. What explanatory method is used in the underlined sentence in paragraph 2 of the article? And analyze what its function is?

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3. Can the highlighted word "mainly" be deleted, "The formation of haze is mainly the result of the synergistic effect of a large number of particles suspended in the air and meteorological conditions"? Why?

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4. Which of the following options does not match the original intention (

)

a.

From late autumn to early spring, if the temperature gets lower, the amount of water vapor the air can hold will also decrease. The less it is, the easier it is for haze to form.

b.

Sulfur dioxide, nitrogen oxides and respirable particulate matter are the main culprits that aggravate haze weather pollution.

c.

Fog is naturally formed and occurs when the relative humidity is saturated. Haze is caused by humans, and the relative humidity is not high when it occurs.

d.

Fog itself will not pollute the environment. If the atmospheric environment that generates fog is in a relatively stable state, pollutants in the air will not easily spread outward, causing an agglomeration effect. , will make the pollution more and more serious.

5. "Breathing the same breath, taking responsibility", in the face of smog, we should do something. So as a middle school student, what kind of responsibility do you think you should do to make a difference?

1. Haze is a weather phenomenon in which a large number of particles and smoke particles are suspended in the air, making the air turbid and reducing horizontal visibility to less than 10 kilometers.

2． This sentence uses the explanation method of giving examples and listing numbers, and uses intuitive, specific and accurate data to give the example of haze in London to illustrate the great harm of haze to the human body.

3. Cannot be deleted. The word "mainly" shows that most of the time the formation of haze is caused by a large number of particles suspended in the air and meteorological conditions, but not all of it is caused by it, there are other factors; if it is removed, the meaning becomes affirmative, and it is related to The meaning of the original text does not match (1 point). This word embodies the accuracy and rigor of expository language.

4. b

5． For example: (1) Launch extensive publicity to enhance public awareness of environmental protection. (2) Travel by public transportation to reduce emissions.