单项选择题

Some companies have introduced flexible working time with less emphasis on pressure ______.

A．than more on efficiency
B．but more efficiency
C．but more on efficiency
D．than more efficiency
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单项选择题
This model is ______ to all the others on the market.
A．super
B．superior
C．beneficial
D．advantageous
单项选择题
The staff, having finished work for the day, ______ going home now.
A．is
B．are
C．was
D．were
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