To the airport, an airline is a business entity, a client, a consumer of airport service; to an airline the airport is a service provider, or an operator.

The development of e-commerce in China can be roughly divided into three periods which are___. A: outbreak period B: budding period C: development period D: application maturity period

At the beginning of the period assets are $18,000 and at the end of the period assets are $21,000. At the beginning of the period liabilities are $11,000 and at the end of the period liabilities are $10,000. How did owners' equity for the period change? A: Decrease of $1,000 B: Increase of $3,000 C: Increase of $1,000 D: Decrease of $3,000 E: Increase of $4,000

Which of the following is one of the operational functions of human resources management？（ ） A: Training and development in terms of personal and professional growth B: Recruiting design C: Organizational design D: Administration of compensation and benefits

What are the main aspects in which the conditions for the development of modern services are being optimized? A: Diversification and specialization of production B: Increasing demand for education and training, cultural life C: Government focusing on supporting the development of cultural industries D: Social labor division and development of service industry