45．Our teacher has no chance __ the problem with us.

   A．discuss      B．to discuss       C．discussing        D．discusses

   People  46  her the" cold faced killer" of table tennis．She almost never smile   47   games, sometimes even  48  she wins! The cool or! Zhang Yining  49  a reason to smile. The Athens Olympics shows she is the No,1 table player in the world again.

44．If you want to know the meaning of the words, why not_______ in your dictionary.?

   A．look up it        B．look for them   C．look them up       D．look it up