单项选择题

Because Bob had stopped reading his technical journals he was ______ of new development in his field.

A．intellectual
B．subtle
C．ignorant
D．tedious
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单项选择题
Jim, the newly elected director, had to reorganize the entire office; he angrily complained of his ______, who had been so incompetent that everything was left in a mess.
A．successor
B．ancestor
C．predecessor
D．forefather
单项选择题
His health falling, ______ in 1782.
A．so Herry Lee went on leave from the army
B．the army gave Herry Lee leave
C．when the army gave Herry Lee leave
D．Herry Lee went on leave from army
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