单项选择题
A．Traffic Crowding in New York City B．Air Pollution in New York City by Cars C．Special Lanes for Passengers D．A Solution to Traffic Problem in New York
A．They make him feel at home. B．He thinks they should be ignored. C．He prefers silence to loud noises D．He believes they are part of our lives.
A．a sleep to avoid eating B．a temperature in a cold weather C．a sleep in the cold season D．an animal to practice sleep in winter