单项选择题In the writer's opinion, interdisciplinary studies are important because they ______.
单项选择题The SAH's approach to organisational structure required changing practices in ______.
单项选择题SAH's new orgnisational structure requires ______.
单项选择题The hotel number of jobs advertised at the SAH was ______.
单项选择题The high costs of running AHI's hotels are related to their ______.