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

单项选择题The writer claims that it is important for specialists to be able to travel because ______.

单项选择题In the writer's opinion, interdisciplinary studies are important because they ______.

单项选择题What, in the writer's opinion, happens to a scholar who shares his ideas with his colleagues

单项选择题The high costs of running AHI' s hotels are related to their ______.

单项选择题The SAH's approach to organisational structure required changing practices in ______.