【简答题】Why wouldn’t the car start if the
driver returned to the car very soon ?A. Because it had used its vapor lock. B. Because its vapor lock was too cold. C. Because its vapor lock hadn’t cooled down D. B...
【单选题】Car Pollution Jump in the car, start your engine and you're off. But do you give any thought to what's coming out of the tailpipe as you go about your drive? Carbon dioxide is the dominant greenhouse ...