第6部分：完形填空(第51～65题，每题1分，共15分)
下面的短文有l5处空白，请根据短文内容为每处空白确定1个最佳选项。
51．
A．not
B．little
C．no
D．none
52．
A．work
B．operate
C．carry on
D．open
53．
A．study
B．1earn
C．attend
D．are educated
54．
A．of
B．at
C．on
D．about
S5．
A．to
B．in
C．on
D．by
56．
A．another
B．else
C．other
D．others
57．
A．of
B．in
C．for
D．on
58．
A．for
B．to
C．with
D．by
59．
A．for
B．by
C．with
D．on
60．
A．moreover
B．however
C．besides
D．consequently
61．
A．arrive
B．hold
C．take
D．reach
62．
A．approve
B．oppose
C．praise
D．object
63．
A．And
B．Besides
C．Again
D．But
64．
A．As example
B．As an example
C．For example
D．For an example
65．
A．for
B，with
C．to
D．on