A．managementsB．managerialC．managersD．management……

单项选择题A．headquartersB．plantsC．agentsD．subsidiaries

单项选择题A．inB．underC．withD．have

单项选择题A．limitingB．limitsC．limitD．limited

单项选择题A．diversificationB．diversifyingC．diversifyD．diversified

单项选择题A．specializedB．specialC．specialtyD．specialization