If there is no other way to save a（ ）person in a tall building on fire,fire fighters may spread a net into which the person can jump.
A.volt
B.wrapped
C.trapped
D.deserted
满分：2 分
47.Mary has never been（ ）a ship.
A.abroad
B.aboard
C.above
D.absorb
满分：2 分
48.English has become a communication（ ）for people from different countries.
A.merit
B.stream
C.enjoyment
D.medium