1.The pencil fell off the table and went _______across the floor.

    A.affecting        B.rolling         C.sorting        D.earning

2.The newspaper says that the BBC will be________the match live

   from Paris.

  A.calculating                               B.performing

  C.broadcasting                           D.inspecting

3.In _________to being used in industry£¬laser can be applied to 

  operations in the hospital.

  A.devotion       B.addition       C.application       D.reception