单项选择题A．About half a million. B．More than a million. C．More than two million.

单项选择题A．Heart disease. B．Diabetes. C．Cancer.

单项选择题A．Sherron Watkins. B．Coleen Rowley. C．Cynthia Cooper.

单项选择题A．They should drink as much as they need. B．They should drink eight glasses a day. C．They should drink about two liters.

单项选择题A．Forty percent. B．Thirty percent. C．Fourteen percent.

单项选择题A．Customer and salesman. B．Teacher and student. C．Doctor and patient. D．Boss and employee.

单项选择题A．The test will be difficult. B．She has to study for the test. C．She will help the man. D．She will give up studying.

单项选择题A．At 8:30.B．At 8:50.C．At 9:50.D．At 10:00.

单项选择题A．She has had a quarrel with her colleagues. B．She is under a lot of work pressure. C．She’s having trouble with her employees. D．She’s in trouble with her general manager.

单项选择题A．Because Dena’s brother is very ill. B．Because Dena’s room is not ready. C．Because Dena has taken a holiday with her brother. D．Because Dena is in hospital now.