单项选择题On what basis do California carmakers question the law of controlling CO2 emission
单项选择题What will be the result of a more environmentally-minded new president in the place
单项选择题Under what conditions can the EPA put off its action
单项选择题What did the court think of the EPA’s excuses for its inaction
单项选择题What is the Supreme Court’s attitude towards the government’s function in the control of greenhouse gases