单项选择题

On hearing of the case some time later, Conan Doyle was convinced that the man was not guilty, and immediately went to work to ascertain the truth.

A. explore
B. obtain
C. verify
D. search
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单项选择题
The farm ministers scheduled an emergency meeting in Luxembourg in hopes of easing the worldwide mad cow panic.
A. crisis
B. alarm
C. hazard
D. peril
单项选择题
The recent findings are also applicable to other areas of design engineering.
A. practical
B. relevant
C. convenient
D. comparable
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