单项选择题

"Could you find an answer to the problem in that book" "I looked at it, but it wasn't really （）".

A．much used
B．able to use
C．of much use
D．of usefulness

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单项选择题
The crowd （） through the gates of the stadium.

A．scattered
B．surged
C．dissolved
D．assembled
单项选择题
Work in parapsychology, （）, has attracted a rel atively small number of scientists.

A．is a very controversial field
B．a field very controversial which
C．which a very controversial field is
D．a very controversial field
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