单项选择题A．Teotihuacan, once the home of 200,000 people, was the center of a large empire.B．Many archaeologists are fascinated by the ruins of a pre-Columbia city called Teotihuacan.C．Teotihuacan, once a major metropolitan area, was destroyed by an invasion.D．A still unsolved mystery is why the people of Teotihnacan suddenly abandoned their city.

单项选择题A．Rape.B．Burglary.C．Aggravated assault.D．Smuggling.

单项选择题A．Manager.B．Teacher.C．Engineer.D．Journalist.

单项选择题A．Future happiness is attractive,B．The man shouldn’t work too hard for the happiness of future.C．The man should retire early.D．Today’s happiness is less important than tomorrow’s.

单项选择题A．Males are arrested about four times more than females.B．According to the survey, 61% of all men feel unsafe in their own neighborhoods at night.C．More women arrested than men in juvenile runaway cases and prostitution.D．The police and court are required to be more kind tn the female offenders.

单项选择题A．She has a powerful mother.B．She loves her cat.C．To be a vet is her dream.D．For her teacher.

单项选择题A．Professor and student.B．Shop assistant and customer.C．Librarian and reader.D．Two friends.

单项选择题A．She married twice.B．She does not like baby.C．She likes to do housework.D．She envies her sister.

单项选择题A．It has become a clumsy giant.B．The city has suffered from lung-time famine.C．There was an epidemic disease that time.D．It has been set on fire.

单项选择题A．ballet.B．Swimming.C．Nursing.D．Teaching