1. (2019·浙江) 听材料，回答问题。

1. （1） Why does the man seldom do exercise？

   A . He lacks motivation.    B . He has a heart problem. C . He works all the time.
3. （2） What does Jacob Sattelmair probably do？

   A . He's an athlete. B . He's a researcher. C . He's a journalist.
5. （3） Why does the woman speak of a study？

   A . To encourage the man. B . To recommend an exercise. C . To support her findings.
7. （4） How much time will the man probably spend exercising weekly？

   A . 300 minutes. B . 150 minute. C . 75 minutes.