. What does the final paragraph of the passage mainly discuss?A. The relationship between the ocean and the sunB. The amount of sunlight reflected into spaceC. A rise in global temperaturesD. The conditions that could lead to an ice ageQuestion 23. Which of the following does the author NOT mention as a consequence of a large rise in global sea level?A. The destruction of wetlands B. The flooding of citiesC. A more diverse marine population D. Severe stormsQuestion 24. According to the passage, what is the relationship between carbon dioxide and the Earth's climate?A. Carbon dioxide, which is trapped in glacial ice, is released when warm temperatures cause the ice melt.B. The greenhouse effect, which leads to the warming of the climate, is result of too much carbon stored in the Earth's crust.C. Rain causes carbon dioxide to be washed out of the atmosphere and into the ocean.D. An increase in atmospheric carbon dioxide results in the warming of the climate.Question 25. The word "beneficial" in the first paragraph is closest in meaning toA. calm B. inviting C. thoughtful D. favorableQuestion 26. The word "massive" can be replaced toA. wide B. huge C. dense D. thickQuestion 27. It can be inferred from the passage that the development of agricultureA. preceded the development of animal husbandry.B. withstood vast changes in the Earth's climate.C. did not take place during an ice age.D. was unaffected by the greenhouse effect.Question 28. The word "this" in the third paragraph refers toA. man's upsetting the equationB. the reduction of the level of carbon dioxide.C. a volcanic eruptionD. the melting of the polar ice capsQuestion 29. The word "inhospitable" is closest in meaning toA. imperfect. B. uninhabitable. C. unlikable D. cruel.Question 30. What is the main topic of the passage?A. The possibility that the popular ice caps will meltB. The coming of another ice ageC. Man's effect on the carbon dioxide level in the atmosphereD. The climate of the Earth over the years.
đang được dịch, vui lòng đợi..