听一段材料，回答下面几个小题。.Where are the two speakers?
A.In the USA.
B.In Europe.
C.In China.Why is there no national health insurance here?
A.The government hasn’t realized its importance.
B. The people don’t think the government can do it better.
C.The government hasn’t paid enough money for it.What does the man think of having good insurance?
A.Expensive.
B.Unnecessary.
C.Important.
Who are the two speakers?
A. A bus driver and a passenger.
B. A policeman and a driver.
C. A taxi driver and a passenger.
What is the probable relationship between the two speakers?
A. Wife and husband.
B. Passenger and driver.
C. Salesgirl and customer.
What is the probable relationship between the two speakers?
A. Customer and waitress.
B. Hostess and guest.
C. Boss and clerk.
What's the probable relationship between the two speakers?
A. A student and his teacher.
B. A student and his classmate.
C. A librarian and a student.
What's the probable relationship between the two speakers?
A. Teacher and student.
B. Doctor and patient.
C. Husband and wife.