III.
Anne wrote a report about the benefits of swimming last week. Below are some facts in her report.
 Fact 1:
 Swimming burns calories. The amount of calories burned in ten minutes depends on the swimming style.

 Fact 2:
 Swimming makes you happy. After you swim for twenty minutes, your brain starts to produce endorphins which put you in a good mood.
 Fact 3:
 It lowers health risks. If you can swim for thirty minutes, it can cut the chances of heart disease and diabetes(糖尿病).
 Fact 4:
 It makes you strong. Swimming can train your muscles, improve your bone health and increase your flexibility. It also has the least risk of injury of any sport.
 * benefit好處 calorie卡路里 injury傷害 mood心情 risk風險

【題組】40. What can endorphine do to your body?
(A) It can make you strong.
(B)It can lower health risks.
(C)It can give you pleasure.
(D)It can keep you from danger.