Directions： Read the passage carefully and then translate the underlined sentences into English or Chinese.
Write your answer on your answer sheet.
Laughter is the greatest medicine. It helps those who cannot work out become fit.
First of all， laughing out loud helps improve your general fitness. This is because 笑能增强心肺功能. So it is easy to understand why some yoga exercises include laughter.
Second， a good laugh can relax your muscles. As you laugh， the muscles participating in the laugh become active. After you laugh， these muscles start to relax. This movement is like a deep-breathing exercise， so it is very useful for people with breathing-problems.
Also， laughter makes us feel a sense of happiness. Experts say that the positive feelings produced by laughter not only make us happy but also help us reduce pain.
下次你再感到难过或失望时，别着急。 Enjoying a funny comedy or reading some jokes will drive away your negative feelings and make you feel much better.
Can you imagine what our life will be like without laughter？