請(qǐng)聽材料，回答問題
（1）Where does the woman read the article？
A.On the web.
B.From the newspaper.
C.In the magazine.
（2）What does the man fly frequently for？
A.Doing business.
B.Having tours.
C.Visiting families.
（3）Why does the man hate the idea？
A.He worries the safety.
B.He enjoys the quiet.
C.It costs extra expense.
（4）What does the man give to support his opinion？
A.A story of a scientist.
B.A scientific research.
C.Some common sense.