Global warming is caused by human activities except the greenhouse effect.（ ）
举一反三
- Global warming is mainly _______ by greenhouse gases emission. A: cause B: to cause C: causing D: caused
- Global climate change mainly refers to global warming caused by the increase of ( ). A: Harmful gases B: Noble gases C: greenhouse gases D: Air pollutants
- Which of the following may be an effect of global warming and climate change?
- Which of the following is not true about the greenhouse effect? A: Water vapour belongs to greenhouse gases. B: The greenhouse effect is a bad thing. C: Carbon Dioxide is the main greenhouse gas. D: The melting of the polar ice caps will accelerate because of the greenhouse effect.
- Which of the following is not the result caused by greenhouse effect mentioned in the lectures?（ ） A: The permafrost will be released. B: Hastening sea level rise. C: Worsening land desertification D: Accelerating global warming.