Music brings out the best in people,especially in the morning.If you usually wake up feeling sleepy,turn on your music playlist and play your favorite hits.You'll feel instantly happier,and more productive.
It lowers cortisol （皮质醇） levels.You can feel less stressed by listening to your favorite music,according to a study.The stress hormone,cortisol,will lower,and it seems that music speeds up the recovery time after a stress-causing event.So it's only logical that starting your day with a good song can relieve stress caused by external factors,and it will serve as a good start to the day.
Besides,it increases dopamine（多巴胺）levels.Music can increase the production of the dopamine hormone,which is one of the "happy" hormones directly connected to pleasure.It will help to relieve certain negative feelings of anxiety and depression.So if you wake up feeling down,turn on your music playlist.
Listening to music can strengthen your immune system.The sound of the tunes helps the body to produce more antibodies and natural killer cells.These cells can help you attack any viruses you might contract（感染）.Basically,your immune system will be more effective at fighting any illnesses.
It stimulates memories.Music can help you remember more,no matter if you like upbeat or slow tunes.Your cognitive（认知的）function will improve once you put your jingle on,and over time,you'll benefit from a stronger memory,according to a study.
It also promotes your creativity.Before heading to the computer desk or laptop,put your headphones on and listen to some music,especially happy tunes.It seems that this type of jingle will make you a more creative person,so all those ideas you were waiting for will flood in.And if you start your workday by being more productive and kicking off all the points on your to-do list,it will definitely make you feel good about yourself.



What changes will listening to music bring to our body？ ______

A. Any viruses will be defeated.
B. Our stress will be reduced.
C. We will not suffer from depression.
D. The dopamine levels will be decreased.

Which of the following songs can make us most creative？ ______

A. The Sound of Silence.
B. Symphony of Fate.
C. Moonlight on the Second Spring.
D. Jingle Bells.

How does the author develop the passage？ ______

A. By making analyses.
B. By giving definitions.
C. By giving examples.
D. By making comparisons.

What's the passage mainly about？ ______

A. The ways of strengthening our immune system.
B. The advantages of improving our cognitive function.
C. The benefits of listening to music after waking up.
D. The methods of speeding up the stress recovery time.