1.D

Thông tin: “Economists tell us how much money people spend skiing, but nobody explains why Skiing really appeals to people.”

2.C

Thông tin: “Fishing, generally considered an outdoor recreational activity, for example, is a form of self-expression like stamp collecting, because it gives people the opportunity to express some aspect of their personality by doing something different from their daily routine, he said.”

3.D

Thông tin: “People who act as a hobby report feeling an intense sense of belonging to a group, much the same way others do in playing sports.”

4.A