题目：
Questions 14-18
·Using the information in the text, complete each sentence 14-18, with a word or phrase from the list below.
·For each sentence (14-18), mark one letter (A-G) on the Answer Sheet. Do not mark any letter twice.
- A. professional and managerial employees
- B. work staff
- C. human-resource management
- D. work force skills
- E. important post
- F. the improvement of worker’s basic skills
- G. more money should be invested
The decisive factor in maintaining a firm’s competitive advantage is ______.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：错
