单项选择题

The person who ______ this type of research deserves our praise.

A．originated
B．manufactured
C．generated
D．estimated
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单项选择题
He believe that the greatest of his ______ was that he'd never had a college education.
A．grieves
B．misfortunes
C．disasters
D．sorrows
单项选择题
The Olympic Games were telecast ______ all over the world.
A．incidentally
B．separately
C．simultaneously
D．especially
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