举一反三
- The accumulation of greenhouse gases (GHGs) causes global warming by letting sunlight into the atmosphere as _______. Then, when the earth re-radiates the heat back to space, the gases trap the energy in the form of outgoing ______. A: visible light, ultraviolet radiation B: infrared radiation, ultraviolet radiation C: ultraviolet radiation, infrared radiation D: infrared radiation, radio waves
- 中国大学MOOC: The atmosphere of Mars consists mostly of ______.
- 中国大学MOOC: Americans atmosphere are always quiet. People do not talk at table.
- 中国大学MOOC: This layer of atmosphere is being (7) ________by all of the global warming pollution.
- 中国大学MOOC: The greenhouse gases in the atmosphere of earth contains .(List 3 kinds)
内容
- 0
The ______ of free oxygen in the atmosphere was the result of the expansion of plant life. A. B. C. D.
- 1
中国大学MOOC: As for plots of Gothic novels, the atmosphere is often filled with horror and suspense because______.
- 2
中国大学MOOC: The atmosphere at the college is that of an adult environment _______ a relationship of mutual respect is encouraged between students and tutors.
- 3
The method in which the greenhouse effect takes place is by A: gamma radiation from the earth is absorbed into the atmosphere by particulates B: beta radiation from the Sun is absorbed by water vapor C: ultraviolet radiation from the Sun is absorbed by ozone D: infrared radiation from the Earth's surface is absorbed by multiple gases in the atmosphere E: cosmic radiation from deep space is absorbed by gases in the atmosphere
- 4
Among the gases in the atmosphere, only the concentration of carbon dioxide may result in preventing heat around the Earth from escaping.