The steadily rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.()

单项选择题The secretary is expected to explore ideas for post-war reconstruction of the area.()

A．deny
B．investigate
C．stress
D．create

单项选择题It has been said that the Acts provided a new course of action and did not merely regulate or enlarge an old one.（）

A．limit
B．control
C．replace
D．offset