"All work and no play makes Jack a dull boy." is a popular saying in the United States. is true that all of us need recreation (娱乐).  We can't work all the time if we are going to keep good health and enjoy life.
Everyone has his own way of relaxing. Perhaps the most popular way is to take part sports. There are team sports, such as basketball and football. There are also individual sport such as swimming and running. Skating and mountain climbing are the most popular recreation for people who like to be outdoors.
Not everyone who enjoys sport events likes to take part in them. Many people like watching TV or listening to them on the radio. So many people like some forms of indoor, recreation, such as watching TV, singing and dancing.
It doesn't matter we like indoor recreation or take part in outdoor sports. It is important for everyone to relax from time to time, and enjoy some forms of recreation.
If we want to be healthy and enjoy life,            .

A．we must work all the time

B．we should work all the time

C．we can not work at all

D．we not only work hard but also need recreation

Football is a kind of                     .

A．team sport

B．team race

C．indoor sport

D．individual sport

"All work and no play makes Jack a dull boy." Here "dull" means        .

A．good

B．happy

C．foolish

D．nice

"Not everyone who enjoys sport events likes to take part in them." means     ____.

A．many people like sport events, but none of them likes to take part in them

B．they all tike sport events, but no one likes to take part in them

C．many people like sport events, but only some of them like to take part in them

D．only some like sport events, but everyone likes to take part in them

What is important for everyone to relax from time to time?
A. Outdoor sports.                 B. Indoor recreation.
C. Both A and B.                  D. Neither A nor B.