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What does the passage mainly discus
What does the passage mainly discuss?
A. The economic impact of air pollution.
B. What constitutes an air pollutant.
C. How much harm air pollutants can cause.
D. The effects of compounds added to the atmosphere.
Question 2: The word ADVERSELY in the first paragraph is closest in meaning to___
A. Negatively
B. Quickly
C. Admittedly
D. Considerably
Question 3: It can be inferred from the first paragraph that____
A. Water vapor is an air pollutant in localized areas
B. Most air pollutants today can be seen or smelled
C. The definition of air pollution will continue to change
D. A substance becomes an air pollutant only in cities
Question 4: The word THESE in the second paragraph is closest in meaning to___
A. The various chemical reactions
B. The pollutants from the developing Earth
C. The compounds moved to the water or soil
D. The components in biogeochemical cycles
Question 5: For which of the following reasons can natural pollutants play an important role in controlling air pollution?
A. They function as part of a purification process.
B. They occur in greater quantities than other pollutants.
C. They are less harmful to living beings than other pollutants.
D. They have existed since the Earth developed.
Question 6: According to the passage, human-generated air pollution in localized regions___
A. Can be dwarfed by nature's output of pollutants
B. Can overwhelm the natural system that removes pollutants
C. Will damage areas outside of the localized regions
D. Will react harmfully with natural pollutants
Question 7: The word LOCALIZED in the third paragraph is closest in meaning to___
A. Specified
B. Circled
C. Surrounded
D. Encircled
Question 8: According to the passage, the numerical value of the concentration level of a substance is only useful if___
A. The other substances in the area are known
B. It is in a localized area
C. The natural level is also known
D. It can be calculated quickly
Question 9: The word DETECTABLE in the third paragraph is closest in meaning to___
A. Beneficial
B. Special
C. Measurable
D. Separable
Question 10: Which of the following is best supported by the passage?
A. To effectively control pollution, local government should regularly review their air pollution laws.
B. One of the most important steps in preserving natural lands is to better enforce air pollution laws.
C. Scientists should be consulted in order to establish uniform limits for all air pollutants.
D. Human activities have been effective in reducing air pollution.
A. The economic impact of air pollution.
B. What constitutes an air pollutant.
C. How much harm air pollutants can cause.
D. The effects of compounds added to the atmosphere.
Question 2: The word ADVERSELY in the first paragraph is closest in meaning to___
A. Negatively
B. Quickly
C. Admittedly
D. Considerably
Question 3: It can be inferred from the first paragraph that____
A. Water vapor is an air pollutant in localized areas
B. Most air pollutants today can be seen or smelled
C. The definition of air pollution will continue to change
D. A substance becomes an air pollutant only in cities
Question 4: The word THESE in the second paragraph is closest in meaning to___
A. The various chemical reactions
B. The pollutants from the developing Earth
C. The compounds moved to the water or soil
D. The components in biogeochemical cycles
Question 5: For which of the following reasons can natural pollutants play an important role in controlling air pollution?
A. They function as part of a purification process.
B. They occur in greater quantities than other pollutants.
C. They are less harmful to living beings than other pollutants.
D. They have existed since the Earth developed.
Question 6: According to the passage, human-generated air pollution in localized regions___
A. Can be dwarfed by nature's output of pollutants
B. Can overwhelm the natural system that removes pollutants
C. Will damage areas outside of the localized regions
D. Will react harmfully with natural pollutants
Question 7: The word LOCALIZED in the third paragraph is closest in meaning to___
A. Specified
B. Circled
C. Surrounded
D. Encircled
Question 8: According to the passage, the numerical value of the concentration level of a substance is only useful if___
A. The other substances in the area are known
B. It is in a localized area
C. The natural level is also known
D. It can be calculated quickly
Question 9: The word DETECTABLE in the third paragraph is closest in meaning to___
A. Beneficial
B. Special
C. Measurable
D. Separable
Question 10: Which of the following is best supported by the passage?
A. To effectively control pollution, local government should regularly review their air pollution laws.
B. One of the most important steps in preserving natural lands is to better enforce air pollution laws.
C. Scientists should be consulted in order to establish uniform limits for all air pollutants.
D. Human activities have been effective in reducing air pollution.
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What does the passage mainly discuss?A. The economic impact of air pollution.B. What constitutes an air pollutant.C. How much harm air pollutants can cause.D. The effects of compounds added to the atmosphere.Question 2: The word ADVERSELY in the first paragraph is closest in meaning to___A. NegativelyB. QuicklyC. AdmittedlyD. ConsiderablyQuestion 3: It can be inferred from the first paragraph that____A. Water vapor is an air pollutant in localized areasB. Most air pollutants today can be seen or smelledC. The definition of air pollution will continue to changeD. A substance becomes an air pollutant only in citiesQuestion 4: The word THESE in the second paragraph is closest in meaning to___A. The various chemical reactionsB. The pollutants from the developing EarthC. The compounds moved to the water or soilD. The components in biogeochemical cyclesQuestion 5: For which of the following reasons can natural pollutants play an important role in controlling air pollution?A. They function as part of a purification process.B. They occur in greater quantities than other pollutants.C. They are less harmful to living beings than other pollutants.D. They have existed since the Earth developed.Question 6: According to the passage, human-generated air pollution in localized regions___A. Can be dwarfed by nature's output of pollutantsB. Can overwhelm the natural system that removes pollutantsC. Will damage areas outside of the localized regionsD. Will react harmfully with natural pollutantsQuestion 7: The word LOCALIZED in the third paragraph is closest in meaning to___A. SpecifiedB. CircledC. SurroundedD. EncircledQuestion 8: According to the passage, the numerical value of the concentration level of a substance is only useful if___A. The other substances in the area are knownB. It is in a localized areaC. The natural level is also knownD. It can be calculated quicklyQuestion 9: The word DETECTABLE in the third paragraph is closest in meaning to___A. BeneficialB. SpecialC. MeasurableD. SeparableQuestion 10: Which of the following is best supported by the passage?A. To effectively control pollution, local government should regularly review their air pollution laws.B. One of the most important steps in preserving natural lands is to better enforce air pollution laws.C. Scientists should be consulted in order to establish uniform limits for all air pollutants.D. Human activities have been effective in reducing air pollution.
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