1．(2010届成都市摸底测试)Young drivers under 25 have the highest number of accidents while those over 50 have________.
A．the less B．the fewest
C．the least D．the fewer
2．—Many people are in great need of extra food.
—Yes.It is a challenge to________all their needs.
A．satisfy B．gain
C．practise D．produce
