50．A．China culture                                          B．China cultures

C．Chinese culture                                          D．Chinese cultures

49．A．long                    B．longer                 C．longest                   D．very long

48．A．Between              B．Among                C．In                          D．Beyond

47．A．saw                     B．to see                         C．seeing                    D．look

46．A．which                  B．who                    C．whom                    D．where

44．--Would you mind me          ?

--          ．Do it as you like，please．

A．to play the piano；Good idea                      B．playing the piano；Of course not

C．playing the piano；Of course                       D．play the piano；All right

43．--Sorry，I don't know what the teacher said just now．

--He asked Maria          ．

A．how long she usually spends on her homework

B．what she was doing these days

C．why didn't Mike come to the meeting yesterday

D．when the speech will begin

42．--Are you worried about the coming exam?

--No．I think the more           you are，          mistakes you'll make．

A．careful；the less                                      B．carefully；the fewer

C．carefully；the least                                    D．careful；the fewer

41．--Jim wants to take part in the torch relay（火炬接力）of the 2008 Olympic Games．

--          ．

A．So I do                B．So do I                   C．Neither do I           D．Nor do I