听下面一段较长对话,回答以下小题。
14. Why does the man seldom do exercise?
A.He lacks motivation. |
B.He has a heart problem. |
C.He works all the time. |
15. What does Jacob Sattelmair probably do?
A.He’s an athlete. | B.He’s a researcher. | C.He’s a journalist. |
16. Why does the woman speak of a study?
A.To encourage the man. |
B.To recommend an exercise. |
C.To support her findings. |
17. How much time will the man probably spend exercising weekly?
A.300 minutes. | B.150 minute. | C.75 minutes. |