单项选择题

The writer thinks that the growth of specialist societies and periodicals had helped scholars to ______.

A．cut down research costs
B．keep up with current developments
C．spend less time travelling
D．develop their ideas more quickly
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单项选择题
The SAH’s approach to organisational structure required changing practices in ______.
A．industrial relations
B．firing staff
C．hiring staff
D．marketing
单项选择题
The hotel number of jobs advertised at the SAH was ______.
A．70
B．120
C．170
D．280
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