35. Traffic restrictions have come into effect in Beijing 　　　to improve the capital’s air quality and traffic situation for the 2008 Olympics.

　 　A. in order that　 B. in an attempt　　 C. at an attempt　 D. in a try

34. Platypus is a　 strange animal that lays eggs but　　　　 milk　　　　 its young.

　 A. feeds；to　　 B. feeds；for　　 C. fed；at　　 D. fed；on

33. Polar bears live　　　 on sea ice，which they use as a platform for hunting seals.

　　 A. most　　　 B. almost　　　 C. nearly　　 D. mostly