14. 听材料,回答问题。
(1) Why does the man seldom do exercise?
A . He lacks motivation.
B . He has a heart problem.
C . He works all the time.
(2) What does Jacob Sattelmair probably do?
A . He's an athlete.
B . He's a researcher.
C . He's a journalist.
(3) Why does the woman speak of a study?
A . To encourage the man.
B . To recommend an exercise.
C . To support her findings.
(4) How much time will the man probably spend exercising weekly?
A . 300 minutes.
B . 150 minute.
C . 75 minutes.