举一反三
- Other emissions: Sulphur dioxide causes acid rain, nitrous oxide erodes the ozone layer. Both of these, mostly from coal and oil, we control 5) ____________.
- Which two of the below greenhouse gases have the longest residence time? A: Carbon Dioxide B: Perfluorocarbons C: Sulphur Hexafluoride D: Nitrous Oxide E: Methane
- Nitrous oxide comes from car exhausts and from chemical fertilizers. Choose the correct definition of the underlined expression according to the context. A: oil used for driving B: waste oil discarded C: gas which is produced by cars D: devices that burn oil
- Which of these anthropogenic greenhouse gases is the biggest contributor to net radiative warming? A: Methane B: Nitrous oxide C: Water vapor D: Carbon dioxide
- Greenhouse gases include . A: carbon dioxide B: CFCs C: methane D: nitrous oxide
内容
- 0
The most abundant greenhouse gas in the atmosphere is . A: nitrous oxide B: methane C: chlorofluorocarbons D: carbon dioxide
- 1
If there is nitrogen oxide in the smoke produced by the ship, it will lead to the generation of photochemical smoke, acid rain, etc. Which of the following measures can not reduce the nitrogen oxide content in the smoke?_____ A: Add water to fuel B: Recycle part of exhaust gas C: Using SCR D: Burning heavy oil
- 2
What is NOT true about the thermal oxide layer? A: A thermal oxide layer can serve as a passivation layer. B: A thermal oxide layer acts as an insulator and forces the electrons to flow in the emitter. C: It creates a back surface field at the back side of the solar cell and thus it reduces the surface recombination velocity. D: The oxide layer can be thermally grown.
- 3
According to the passage, Greenhouse gases do NOT include _______. A: carbon dioxide B: methane C: nitrous oxide D: fossil fuels
- 4
Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.