Passage One Questions 26 to 28 are based on the passage you have just heard.

A．Because of the diet that is characteristic of these cultures.
B．Because of their living environment.
C．Because the people of that culture eat much fat.
D．Because the people of that culture use nitrate and nitrite to preserve color in meats.

A．Little opportunity to rest during the day.
B．Not drinking enough coffee.
C．Sitting the entire day.
D．Exercising too much.