单项选择题

______ scientists have observed increased pollution in the water supply.

A．Late
B．Later
C．Latter
D．Lately
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The chairman of the board ______ on me the unpleasant job of dismissing good workers the firm can no longer afford to employ.
A．compelled
B．posed
C．pressed
D．tempted
单项选择题
This watch is ______ to all the other watches on the market
A．superior
B．advantageous
C．super
D．beneficial
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