单项选择题
A．It has gradually given way to service industry. B．It remains a major part of industrial activity. C．It has a history as long as paper processing. D．It accounts for 80 percent of the region’s GDP.
A．Hosting an evening TV program B．Lecturing on business management. C．Having her bicycle repaired D．Conducting a market survey.
A．They shared mutual friends in school. B．They had known each other since childhood. C．They shared many extracurricular activities. D．They had many interests in common.