A Running 10 miles every day
B It does not exist
C They hope to find out what has made them live so long
D walking
E enjoy life
F It will be very expensive
Some scientists are studying people who live a long time because ______.

A．Dr Parton had worked for a British water company.
A RightB. WrongC. Not mentioned

A．All international managers can learn culture.
B．Business diversity is not necessary.
C．Views differ on how to treat culture in business world.
D．Most people do not know foreign culture well.