单项选择题

From the time of the Greeks to the Great War, medicine' s job was simple: to struggle with ______ diseases and gross disabilities, to ensure live births, and to manage pain.

A. immortal
B. immune C lethal
D. toxic
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单项选择题
The company, EDS, is smart enough to ______ 90, 000-person workforce into independent microteams that work directly with individual clients on creative business solutions.
A．break out
B．break off
C．break away from
D．break down
单项选择题
Telephones save the feet and endless amounts of time. This is due partly to the fact that the telephone service is superb here, ______ the postal service is less efficient.
A．where
B．since
C．that
D．whereas
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