( )类是所有自定义异常类的父类。
A. BaseException
B. Throwable
C. Error
D. Exception
The Union contract expired at a time when wine makers usually need all the help they can get.( )
A. 对
B. 错
Only a few wineries have been automated so the owners have to rely heavily on the workers.( )
A. 对
B. 错
Owner Peter Mondaby do n’ t seem much disturbed by the strike ( )
A. 对
B. 错